Description We are seeking a seasoned, strategic, and highly detail-oriented Senior Manager of Payroll Operations to lead and scale our complex, multi-jurisdictional payroll function. This is a mission-critical leadership role responsible for ensuring the timely, accurate, and compliant processing of payroll for a large and dynamic workforce. The ideal candidate will have 10+ years of progressive payroll leadership experience, with a proven track record managing large, high-volume payroll operations (20,000+ employees preferred), leading teams, implementing process improvements, and navigating complex regulatory and compliance requirements. This role demands a strong command of payroll systems, exceptional leadership capabilities, and the ability to manage risk while driving operational excellence. This position reports directly to the Director of Payroll and works closely with senior leadership across HR, Finance, Legal, and Compliance Key Responsibilities: Payroll Operations Oversight<ul><li>Lead end-to-end payroll operations across multiple pay groups, jurisdictions, and entities</li><li>Ensure timely and accurate processing of regular, off-cycle, bonus, and termination payrolls</li><li>Drive the execution of audits, reconciliations, and controls to ensure data integrity</li><li>Oversee payroll funding, general ledger interfaces, and labor allocations</li><li>Ensure compliance with all federal, state, and local tax laws and labor regulations</li></ul>Leadership & Strategy<ul><li>Manage, mentor, and develop a team of payroll managers, leads, and specialists</li><li>Establish operational KPIs, dashboards, and SLAs to track and report performance</li><li>Partner with Finance, HR, Legal, and IT to streamline processes and improve cross-functional outcomes</li><li>Lead payroll transformation and automation initiatives, including system upgrades, integrations, and vendor evaluations</li></ul>Compliance & Risk Management<ul><li>Maintain strong internal controls and ensure SOX and audit readiness</li><li>Respond to audits, inquiries, and escalations from government agencies, internal departments, and external partners</li><li>Oversee year-end processing, including W-2s, tax reconciliation, and distribution</li></ul>Required Qualifications:<ul><li>Bachelor's degree in business, accounting or related field and 10+ years of progressive payroll leadership experience, with at least 5 years in a senior management role. Additional years of relevant Payroll experience may be considered in lieu of a degree.</li><li>Proven experience managing payroll for a large, complex, multi-state (or multi-country) organization</li><li>Deep expertise in federal, state, and local payroll compliance and tax regulations</li><li>Strong experience with payroll systems such as UKG (UltiPro), Workday, ADP, SAP, or Costpoint</li><li>Experience implementing or upgrading payroll systems or integrating with HRIS/ERP platforms</li><li>Exceptional analytical, problem-solving, and decision-making skills</li></ul>Preferred Qualifications:<ul><li>CPP certification preferred</li><li>Experience in union, government contractor, or hourly/salaried mixed environments</li><li>Familiarity with garnishments, multi-state taxation, and payroll accounting</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 9, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $101,400.00 - $183,300.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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Senior Payroll Operations Manager

Description At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like the kind of environment where you can thrive, keep reading! The Digital Modernization Sector brings together our digital transformation and IT programs, allowing us to better serve our customers through scale and repeatability. The mission of the DHS Chief Information Security Officer Directorate (DHS CISOD) is to support the Department's implementation of all applicable regulatory requirements-including the Federal Information Security Modernization Act (FISMA), relevant OMB circulars, Executive Orders, Federal laws, directives, policies, and regulations-while providing the Department of Homeland Security (DHS) a secure and trusted computing environment. Information security is an essential business function, critical to enabling DHS to conduct its operations and deliver service to the public. We are seeking a Senior Penetration Tester to join our DHS cybersecurity team. This role will support penetration testing operations across applications, networks, and enterprise environments. The ideal candidate will bring deep technical expertise, proven experience in vulnerability research and exploitation, and the ability to work as part of a collaborative offensive security team. Primary Responsibilities: &bull; Conduct penetration testing operations in accordance with DHS and industry best practices. &bull; Perform web application, network, and infrastructure testing using both commercial and open-source tools. &bull; Safely execute testing activities under defined operational guidance. &bull; Document findings in detailed reports with actionable remediation recommendations. &bull; Collaborate with SOC, engineering, and defensive security teams to validate and remediate vulnerabilities. &bull; Contribute to tool development, methodology refinement, and knowledge-sharing across the team. Required Qualifications &bull; Bachelor's degree in a related discipline and 12 years of professional experience or Master's degree and 10 years of professional experience. &bull; Minimum of 3 years of experience in at least one of the following areas: incident detection and response, malware analysis, or cyber forensics. &bull; Experience with at least 3 of the following tools:<ul><li>Kali Linux</li><li>Metasploit</li><li>Burp Suite</li><li>Nmap</li><li>Cobalt Strike</li><li>Tenable Nessus</li><li>WebInspect</li><li>Scuba</li><li>AppDetective</li></ul>&bull; Must hold one or more of the following certifications: GPEN, GWAPT, GISF, GXPN, OSCP, OSCE, OSWP, OSEE, CISSP, or CEH. &bull; U.S. Citizenship required; must be able to obtain DHS Public Trust and EOD clearance. Preferred Qualifications:<ul><li>Prior DHS IT security or audit experience.</li><li>Previous system administration experience.</li><li>7+ years of IT experience in a Computer Science discipline.</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 11, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. #Remote

Senior Penetration Tester

Description Job Description We are seeking a skilled and experienced Sr. Preventive Maintenance Electrical Technician to lead and execute preventive maintenance programs for a wide range of electrical systems and equipment. This hands-on role requires deep technical knowledge, advanced diagnostic skills, and a proactive approach to system upkeep. The ideal candidate will have experience with power distribution systems, motor control centers, circuit protection, and building automation systems, ensuring operational reliability and minimizing unplanned downtime. Primary Responsibilities:<ul><li>Lead the planning and execution of preventive maintenance activities on electrical systems and equipment.</li><li>Inspect, test, and maintain electrical components such as wiring, circuits, panels, switchgear, lighting systems, and transformers.</li><li>Perform advanced diagnostics including electrical load testing, insulation resistance testing, and system performance analysis.</li><li>Troubleshoot complex electrical issues and implement corrective actions to ensure reliable system performance.</li><li>Maintain and service electrical equipment such as motors, variable speed drives (VSDs), power distribution units (PDUs), and motor control centers (MCCs).</li><li>Collaborate with cross-functional teams including mechanical, HVAC, and facilities staff to support integrated maintenance operations.</li><li>Maintain detailed maintenance logs and records, ensuring compliance with safety and operational standards.</li><li>Ensure all maintenance work aligns with local electrical codes, industry regulations, and internal safety protocols.</li></ul><ul><li>Monitor the condition of critical infrastructure and recommend upgrades or replacements as needed.</li></ul>Basic Qualifications<ul><li>TS/SCI w/ Poly Clearance is required</li><li>High school diploma or equivalent.</li><li>3-5 years of experience in automotive repair and maintenance.</li><li>Completion of a formal training program in automotive technology or a related field.</li><li>Proficient in the inspection, diagnosis, and repair of a variety of automotive systems, including engines, transmissions, brakes, suspensions, electrical systems, and drivetrains.</li><li>Skilled in the use of diagnostic tools such as motor analyzers, pressure gauges, and factory manuals.</li><li>Capable of using standard automotive hand and power tools for disassembly, overhaul, and part replacement.</li><li>Strong understanding of vehicle safety standards and mechanical systems.</li><li>Ability to read and interpret technical specifications, schematics, and chassis charts.</li><li>Experience performing preventive and routine maintenance, vehicle inspections, and safety checks.</li></ul>Preferred Qualifications<ul><li>ASE (Automotive Service Excellence) certification or equivalent professional accreditation.</li><li>Vocational or technical certification in automotive mechanics, diesel technology, or a related specialty.</li><li>Experience with a wide range of vehicles, including light-duty, heavy-duty, motorcycles, and buses.</li><li>Advanced knowledge of hydraulic and pneumatic systems in automotive applications.</li><li>Experience in energy-efficient repair practices and sustainability-focused maintenance strategies.</li><li>Strong troubleshooting and failure analysis skills to resolve complex mechanical and electrical issues.</li><li>Ability to mentor or provide guidance to junior technicians and support staff.</li><li>Familiarity with computerized maintenance management systems (CMMS) or fleet management software.</li></ul><ul><li>Knowledge of safety assurance practices and compliance with OSHA or DOT regulations.</li></ul>EC-DAS Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: May 23, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $50,050.00 - $90,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Preventive Maintenance Electrical Technician

Description Job Description We are seeking a skilled and experienced Sr. Preventive Maintenance Electrical Technician to lead and execute preventive maintenance programs for a wide range of electrical systems and equipment. This hands-on role requires deep technical knowledge, advanced diagnostic skills, and a proactive approach to system upkeep. The ideal candidate will have experience with power distribution systems, motor control centers, circuit protection, and building automation systems, ensuring operational reliability and minimizing unplanned downtime. Primary Responsibilities:<ul><li>Lead the planning and execution of preventive maintenance activities on electrical systems and equipment.</li><li>Inspect, test, and maintain electrical components such as wiring, circuits, panels, switchgear, lighting systems, and transformers.</li><li>Perform advanced diagnostics including electrical load testing, insulation resistance testing, and system performance analysis.</li><li>Troubleshoot complex electrical issues and implement corrective actions to ensure reliable system performance.</li><li>Maintain and service electrical equipment such as motors, variable speed drives (VSDs), power distribution units (PDUs), and motor control centers (MCCs).</li><li>Collaborate with cross-functional teams including mechanical, HVAC, and facilities staff to support integrated maintenance operations.</li><li>Maintain detailed maintenance logs and records, ensuring compliance with safety and operational standards.</li><li>Ensure all maintenance work aligns with local electrical codes, industry regulations, and internal safety protocols.</li></ul><ul><li>Monitor the condition of critical infrastructure and recommend upgrades or replacements as needed.</li></ul>Basic Qualifications<ul><li>TS/SCI w/ Poly Clearance is required</li><li>High school diploma or equivalent.</li><li>5 years of experience in automotive repair and maintenance.</li><li>Completion of a formal training program in automotive technology or a related field.</li><li>Proficient in the inspection, diagnosis, and repair of a variety of automotive systems, including engines, transmissions, brakes, suspensions, electrical systems, and drivetrains.</li><li>Skilled in the use of diagnostic tools such as motor analyzers, pressure gauges, and factory manuals.</li><li>Capable of using standard automotive hand and power tools for disassembly, overhaul, and part replacement.</li><li>Strong understanding of vehicle safety standards and mechanical systems.</li><li>Ability to read and interpret technical specifications, schematics, and chassis charts.</li><li>Experience performing preventive and routine maintenance, vehicle inspections, and safety checks.</li></ul>Preferred Qualifications<ul><li>ASE (Automotive Service Excellence) certification or equivalent professional accreditation.</li><li>Vocational or technical certification in automotive mechanics, diesel technology, or a related specialty.</li><li>Experience with a wide range of vehicles, including light-duty, heavy-duty, motorcycles, and buses.</li><li>Advanced knowledge of hydraulic and pneumatic systems in automotive applications.</li><li>Experience in energy-efficient repair practices and sustainability-focused maintenance strategies.</li><li>Strong troubleshooting and failure analysis skills to resolve complex mechanical and electrical issues.</li><li>Ability to mentor or provide guidance to junior technicians and support staff.</li><li>Familiarity with computerized maintenance management systems (CMMS) or fleet management software.</li></ul><ul><li>Knowledge of safety assurance practices and compliance with OSHA or DOT regulations.</li></ul>EC-DAS Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: August 1, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $57,850.00 - $104,575.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description Job Description We are seeking a skilled and experienced Sr. Preventive Maintenance Electrical Technician to lead and execute preventive maintenance programs for a wide range of electrical systems and equipment. This hands-on role requires deep technical knowledge, advanced diagnostic skills, and a proactive approach to system upkeep. The ideal candidate will have experience with power distribution systems, motor control centers, circuit protection, and building automation systems, ensuring operational reliability and minimizing unplanned downtime. Primary Responsibilities:<ul><li>Lead the planning and execution of preventive maintenance activities on electrical systems and equipment.</li><li>Inspect, test, and maintain electrical components such as wiring, circuits, panels, switchgear, lighting systems, and transformers.</li><li>Perform advanced diagnostics including electrical load testing, insulation resistance testing, and system performance analysis.</li><li>Troubleshoot complex electrical issues and implement corrective actions to ensure reliable system performance.</li><li>Maintain and service electrical equipment such as motors, variable speed drives (VSDs), power distribution units (PDUs), and motor control centers (MCCs).</li><li>Collaborate with cross-functional teams including mechanical, HVAC, and facilities staff to support integrated maintenance operations.</li><li>Maintain detailed maintenance logs and records, ensuring compliance with safety and operational standards.</li><li>Ensure all maintenance work aligns with local electrical codes, industry regulations, and internal safety protocols.</li></ul><ul><li>Monitor the condition of critical infrastructure and recommend upgrades or replacements as needed.</li></ul>Basic Qualifications<ul><li>TS/SCI w/ Poly Clearance is required</li><li>High school diploma or equivalent.</li><li>5 years of experience in automotive repair and maintenance.</li><li>Completion of a formal training program in automotive technology or a related field.</li><li>Proficient in the inspection, diagnosis, and repair of a variety of automotive systems, including engines, transmissions, brakes, suspensions, electrical systems, and drivetrains.</li><li>Skilled in the use of diagnostic tools such as motor analyzers, pressure gauges, and factory manuals.</li><li>Capable of using standard automotive hand and power tools for disassembly, overhaul, and part replacement.</li><li>Strong understanding of vehicle safety standards and mechanical systems.</li><li>Ability to read and interpret technical specifications, schematics, and chassis charts.</li><li>Experience performing preventive and routine maintenance, vehicle inspections, and safety checks.</li></ul>Preferred Qualifications<ul><li>ASE (Automotive Service Excellence) certification or equivalent professional accreditation.</li><li>Vocational or technical certification in automotive mechanics, diesel technology, or a related specialty.</li><li>Experience with a wide range of vehicles, including light-duty, heavy-duty, motorcycles, and buses.</li><li>Advanced knowledge of hydraulic and pneumatic systems in automotive applications.</li><li>Experience in energy-efficient repair practices and sustainability-focused maintenance strategies.</li><li>Strong troubleshooting and failure analysis skills to resolve complex mechanical and electrical issues.</li><li>Ability to mentor or provide guidance to junior technicians and support staff.</li><li>Familiarity with computerized maintenance management systems (CMMS) or fleet management software.</li></ul><ul><li>Knowledge of safety assurance practices and compliance with OSHA or DOT regulations.</li></ul>EC-DAS Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: July 31, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $57,850.00 - $104,575.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description The Leidos National Security Sector (NSS) has an immediate opening for an experienced Senior Pricing Analyst to join our team of dedicated pricing professionals. This exciting career opportunity is ideal for a professional committed to developing competitive, compliant, and winning proposals for our customers. This position will be responsible for a variety of pricing, estimating, and cost volume activities as an integral member of the NSS pricing team. This is a fast-paced position requiring attention to detail, excellent problem-solving skills, ability to multi-task and thrive in a deadline-driven environment. The successful candidate will be adept at both independent work and collaborative team environments and possess excellent communication skills. This position is located in Reston - VA with onsite support for classified proposals in Reston - VA and Chantilly - VA. Primary Responsibilities:<ul><li>Lead cost volume development, including narrative writing, creation of cost exhibits, and financial documentation, to ensure all customer submittals are compliant with internal, federal, and solicitation requirements,</li><li>Lead proposal cost volume teams through collaboration with each functional area including contracts, subcontracts & procurement, capture management, finance, and technical estimators to produce of a fully compliant, complete, compelling, and awardable cost proposal;</li><li>Participate in proposal development and compliance meetings, such as pricing strategy discussions, price-to-win and risk reviews, bid / no-bid decisions, and various compliance reviews,</li><li>Develop detailed pricing models to provide analysis and create the final customer deliverables using advanced Excel skills,</li><li>Prepare pricing files in accordance with company policies and RFP instructions, participate in cost and pricing peer reviews of customer pricing submittals, cost volume narratives, and supporting pricing files</li><li>Mentor and train less experienced professional employees.</li></ul>Required Qualifications:<ul><li>Bachelor's degree and 8+ years of relevant experience in cost volume development, government contracting and pricing analysis. Additional years of relevant experience may be considered in lieu of a degree</li><li>Experience in all aspects of government proposal development, pricing strategy, government contracting and an understanding of various contract types (Cost-Plus, FFP, T&M, IDIQ, GSA Schedules, etc.)</li><li>Possess a good working knowledge of FAR/DFAR, CAS, DCMA/DCAA as well as government finance principles and basic estimating methodologies</li><li>Ability to support pricing and narrative development through the full life cycle of the proposal process, beginning with pre-solicitation strategies through post-award analysis with the understanding some evening and weekend work may occasionally be required</li><li>Highly proficient with the Microsoft Office suite of tools (Word, Excel, PowerPoint, Outlook) and knowledge of pricing tools and template</li><li>Excellent Excel skills with the ability to build pricing models using lookups and pivot tables, and handle large/complex data sets</li><li>Must be internal and external customer focused and possess professional demeanor with excellent interpersonal skills,</li><li>Must possess excellent verbal and written communication skills with attention to detail, ability to multi-task, and thrive in a faced-paced deadline driven environment</li><li>U.S. Citizenship is required</li><li>Must be able to obtain and maintain a TS/SCI Clearance</li></ul>Preferred Qualifications:<ul><li>Current Secret or Top Secret clearance is highly preferred</li><li>Advanced degree/certification (MBA, NCMA, ICEAA, etc.) a plus</li><li>Deltek ProPricer experience is highly desirable</li><li>Experience with commercial business models</li><li>Experience with international proposals</li></ul>Original Posting: July 22, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $89,700.00 - $162,150.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Pricing Analyst

Description Leidos has a new and exciting opportunity for a Senior Program Manager in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) in the Annapolis Junction, MD area. Our talented team is at the forefront in Mission Software, Security Engineering, Computer Network Operations (CNO), Offensive Cyber, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Job Description<ul><li>You will manage and lead a Large-Scale System Development (PM-LSSD) program and maintain responsibility for the successful cost, schedule, and performance of an ACAT-1 Major Defense Acquisition program. The selected PM will:</li></ul><ul><li>Serve as the main point of contact for the Contracting Officer (CO), the Contracting Officer's Representatives (COR), the Government Program Manager, and reports to the Division Vice President.</li><li>Directly contribute to program efforts in several areas, including cost management/avoidance, schedule estimation and tracking, contract performance management, risk management, requirements analysis, and quality assurance activities.</li><li>Ensure proper performance of tasks necessary to ensure the most efficient and effective execution of the contract.</li><li>Utilize expert communication skills needed to direct the skilled technical resources and report on the technical progress, issues, and problem areas, as well as write and review technical documents.</li></ul>Required Minimum Skills, Education, and Experience: <ul><li>Fifteen plus (15) years' experience as a program or project manager in managing programs and contracts with more than one of over $100M/yr, focused on system and software development and support to deployed operations. This experience should include the following:</li></ul><ul><li>Must have 5 years demonstrated experience leading a ACAT I Major Defense Acquisition Program and experience generating Earned Value Management (EVM) deliverables including Integrated Program Management Reports (IPMRs)</li><li>Must have 5 years demonstrated experience leading Large Solution Scaled Agile Framework (SAFe) system development teams using a Solution Train and multiple Agile Release Trains</li><li>Must have at least three (3) years of demonstrated experience in the management and control of funds and resources using complex reporting mechanisms such as Earned Value Management.</li><li>Must have a PMP, FAC-P/PM Senior Level, or Defense Acquisition Workforce Improvement Act (DAWIA) Level 3 certification in Program Management.</li><li>ACTIVE and CURRENT TS/SCI with Polygraph - Required for consideration. For both internal and external candidates, PLEASE LIST your current clearance clear on your resume and in the online application where indicated.</li></ul>KEY Capabilities: <ul><li>Allocate resources (staffing, facilities, and budgets) on the contract</li><li>Review and approve all earned value, Estimate To Complete, Funds and Man-hour Expenditure Report, or other financial reports as appropriate</li><li>Review and allocate management reserve within contractual limits</li><li>Ensure cross-discipline integration within the contract to meet Government needs</li><li>Work with the higher-level program manager, if applicable, to provide effective and efficient management of the contractor's effort</li><li>Review and propose the Integrated Program Baseline (or resource loaded schedule) to the Government</li><li>Review risk and risk mitigation activities and allocate budgets for the same</li><li>Prepare program status reviews and other formal reviews to be presented to the Government PM</li><li>Communicate issues and solutions to the Government PM in a timely and transparent manner</li><li>Assist the Government PM by providing input to statutory acquisition reports and responses to Congressional Questions for the Record (QFRs)</li><li>Coordinate the preparation of Engineering Change Proposals (ECPs) and value engineering proposals to the Government PM</li><li>Provide Contractor input to the Quality Assurance Surveillance Plan reviews or Award Fee reviews, as appropriate</li><li>Rapidly assemble and execute focused cross-disciplinary Government/Contractor teams to address urgent or unexpected cost, schedule, or technical program/contract issues.</li></ul>At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: August 18, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $148,850.00 - $269,075.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Program Manager

Description Leidos has an exciting opportunity for a Senior Program Manager in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) in the Columbia, MD area. Our talented team is at the forefront in Mission Software, Security Engineering, Computer Network Operations (CNO), Offensive Cyber, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. You will manage and lead a large program providing a broad range of support to operational requirements in Software Engineering, Systems Integration, Systems Administration, Network Engineering, Information Assurance and Cyber Security, Analytics Development, Rapid Prototyping, and much more. What You'll Be Doing: Serve as the primary point of contact for the Government and Contractor's senior management. Allocate resources (staffing, facilities, and budgets) to meet contract requirements. Review and approve financial reports, Funds and Man-hour Expenditure Reports, and other contractual deliverables. Ensure cross-discipline integration within the contract to meet Government needs. Identify and mitigate risks, allocating budgets for risk management activities. Prepare and present program status reviews and other formal reviews to the Government Program Manager. Oversee the recruitment and training of program staff, both direct and indirect. Review all financial and technical reports before submission to the Government. Communicate issues and solutions to the Government Program Manager in a timely and transparent manner. Ensure compliance with all regulatory and administrative requirements imposed by the contract. Assist the Government Program Manager by providing input to statutory acquisition reports and responses to Congressional Questions for the Record (QFRs). Coordinate the preparation of Engineering Change Proposals (ECPs) and value engineering proposals. Provide contractor input to the Quality Assurance Surveillance Plan reviews or Award Fee reviews, as appropriate. What Does Leidos Need From Me? Required Qualifications: Experience: Fifteen (15) years of experience as a program or project manager managing programs and contracts of similar scope, type, and complexity. Bachelor's degree is preferred but additional experience, relevant military experience, or certifications will be considered in lieu of degree. Knowledge: Familiarity with Federal Acquisition Regulations (FAR), Defense Federal Acquisition Regulations Supplement (DFARS), DoD 5000 series, and ICD 801 policies. Leadership: Direct experience managing multi-task contracts and subcontracts of various types and complexity, as well as leading a multi-vendor environment. Certification: PMP, FAC-P/PM Mid-Level, or Defense Acquisition Workforce Improvement Act (DAWIA) Level 3 certification in Program Management. Clearance Requirements: Active Clearance: Top Secret/SCI (TS/SCI) with Polygraph security clearance is required. Preferred Qualifications: College Degree preferred. Advanced knowledge of risk management, resource allocation, and program costing. Strong expertise in preparing and presenting program status reviews to senior leadership. Experience in coordinating Engineering Change Proposals (ECPs) and value engineering proposals. Location: This position is based in Columbia, MD. At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 12, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $148,850.00 - $269,075.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description The National Security Sector, Force Protection Solutions Division is seeking an accomplished Senior Program Manager to support succession planning in our Edgewood, Maryland office delivering results-oriented, secure, highly available, and cost-effective services for a complex, single award IDIQ contract that engineers and implements Army-wide access control systems. The Army's electronic Physical Access Control System (ePACS) authenticates personnel against multiple authoritative State and Federal databases, supporting standardization and integrated automation of Installation Access Control Point (IACP) operations that generate efficiencies across the Army Security Enterprise. The successful candidate will thrive in succession activities with the ultimate goal of leading the program and managing the $250M valued contract vehicle consisting of multiple delivery orders at Army installations in CONUS, OCONUS, AK, HI and PR to include: ensuring high quality and on-time delivery of projects throughout their entire lifecycle; collaborating with a diverse workforce within a matrix environment; communicating effectively in obtaining and synthesizing requirements from external stakeholders, while working with the team to implement new technical solutions leveraging advanced concepts; managing resources, budget, schedule, customer engagement, and ensuring high end-user satisfaction; and possessing strong creative, communication, and collaboration skills.<ul><li>Leads, manages and integrates day-to-day execution of enterprise activities in accordance with contract requirements and ensures technical, schedule, cost, and financial performance.</li><li>Oversees multiple project teams, ensuring goals are reached.</li><li>Interfaces with task and functional leaders, subcontractors, and support personnel to ensure program success.</li><li>Serves as the primary customer contact and maintains a high degree of collaboration with all stakeholders, including key customers at Fort Belvoir in Fairfax County, Virginia.</li><li>Defines project baselines then executes the program to comply with baseline requirements.</li><li>Identifies risks, develops mitigation strategies, and facilitates resolution.</li><li>Champions performance excellence and continuous service improvement.</li><li>Maintains and ensures compliance with organizational standards of satisfaction, quality, and performance.</li></ul>Basic Qualifications:<ul><li>US Citizen with DoD Secret clearance or ability to obtain.</li><li>BA/BS or equivalent experience with minimum 15 years program management experience.</li><li>Mastery in leading large, fixed price contracts valued over $200M.</li><li>Mastery in managing budgets, schedule, and resources of large enterprise programs with demonstrated experience in concepts as defined by the Program Management Institute (PMI).</li><li>Mastery of technical disciplines/skills associated with ensuring operational effectiveness of programs and simultaneous oversight of projects/applications across a large enterprise.</li><li>Mastery in cybersecurity and personally identifiable information (PII) for commercial and government customers.</li><li>Desire for continuous learning and working with/leading in a multi-talented team environment.</li><li>Ability to travel 15-25% to customer sites (CONUS, OCONUS - Passport required).</li></ul>Preferred Qualifications:<ul><li>PMP Certification.</li><li>College-level master's degree in project management, system management, or computer network disciplines.</li><li>Experience with physical security systems and access control system projects in a cloud environment for the US government.</li><li>Experience with Army force protection/emergency management, including their key stakeholders (OPMG, IMCOM).</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: July 24, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $148,850.00 - $269,075.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description ***Must have an active DOD Top Secret or active DOE Q clearance. Active, meaning the individual granted a clearance is briefed and currently occupies a position for which the clearance is required.*** Leidos has an immediate opening for a Senior Project Controls Analyst that has earned value experience to support a National Nuclear Security Administration (NNSA) Modernization Program within the Office of Stockpile Modernization. This individual will lead the development of the NNSA integrated master schedule (NIMS) and also provide programmatic earned value support. The individual will support the Federal Program Manager (FPM), as well as liaise with other Defense Programs (DP) offices, the Department of Defense (DOD), and the Laboratories, Plants, and Sites (LPS). The work performed is extensive in scope and requires an experienced individual with demonstrated project controls expertise, earned value experience, is a self-starter, possess the ability to work in a highly dynamic environment, and capacity to interface with a broad range of federal and military senior staff and leadership. This is a full-time contractor-support position located on-site at the NNSA offices in Albuquerque, NM. Project Controls compiles and analyzes the deliverables from the LPSs. Prepares monthly, quarterly, bi-annual, annual, and ad-hoc reports to support the program and program operations. Identifies and delivers data products to the Federal Program Office (FPO) and Federal Program Manager (FPM) to support programmatic deliverables. Works with the FPO to review LPS deliverables and provides feedback on data quality and identifies errors for adjudication on subsequent cycles. A key element is developing and maintaining the NIMS for the FPO from individual site project summaries and detailed schedules. This position requires advanced knowledge in the field of nuclear weapons programs and Primavera/P6 expertise. Additionally, the earned value management (EVM) work includes gathering project performance data, including actual costs, earned value, and planned value and analyzing this data to identify variances and trends. Also includes calculating key EVM metrics such as Cost Variance (CV), Schedule Variance (SV), Cost Performance Index (CPI), and Schedule Performance Index (SPI) as well as forecasting Estimates at Completion (EAC) and Estimates to Complete (ETC) based on current performance and projected future work. Primary Duties and Responsibilities:<ul><li>Developing and maintaining project management policies and procedures.</li><li>Coordinating, scheduling, analyzing client summary schedules and detailed schedules.</li><li>Comparing and evaluating possible courses of conduct with respect to scheduling and making scheduling decisions after considering the relevant possibilities.</li><li>Using EVM principles, terms, and concepts to evaluate LPS progress.</li><li>Exercising independent judgment to perform as a role model for the team, being self-motivated professional, demonstrating good interpersonal and communications skills, and passing on the working details of the Nuclear Security Enterprise.</li><li>Researching relevant materials to maintain knowledge of EVM Standards.</li><li>Working as part of the Team to produce regular reports and surge/special products that clearly and accurately represent the status of the Program.</li><li>Work in classified environments to analyze sensitive schedule and program data.</li><li>Team with derivative classifiers to extract appropriate elements for integration into unclassified integrated master schedules and other products.</li><li>Collaborate with technical staff and project leads and managers to make recommendations to key decision makers within the scope of project controls and EVM.</li><li>Researches, assembles, and evaluates project information or data and recommends sound, practical solutions to project related issues.</li><li>Assists with customer interactions, including arranging and documenting periodic reviews and tracking integration and analysis of the individual project schedules and presenting status to internal or external customers.</li><li>Assemble and analyze the NIMS. Provide schedule health assessments as well as critical path analysis for the components and systems and provide necessary inputs to all program reports.</li><li>EV data analysis<ul><li>Compile and assemble EV data and reports from the LPSs in support of the Program.</li><li>Analyzes EV trends, forecasts, and areas needed for further analysis and attention needed by the FPO.</li><li>Consolidate and provide the monthly/quarterly/annual and ad hoc reporting utilizing NIMS data.</li><li>Provide necessary inputs to all program reports.</li></ul></li></ul>Required Education, Experience & Clearance:<ul><li>Bachelor's degree with 8+ years' related experience or Master's degree with 6+ years' related experience</li><li>Active DOE Q clearances or active DOD Top Secret clearance</li><li>Demonstrated expert level experience with Primavera P6</li><li>Staff experience in military, government, or corporate enterprise</li><li>Knowledge of/or experience with project management best practices and principles</li><li>Experience with project controls practices and principles, including work breakdown structure development, duration management, schedule logic and dependencies, critical path analysis, change control, EVMS, status reporting, and what-if analysis</li><li>Proficiency in the Microsoft Office suite with particular emphasis on word processing, presentation, and spreadsheet applications (MS Word, MS PowerPoint and MS Excel) required and proficiency may be tested</li><li>Excellent written and verbal communication skills with demonstrated experience in developing briefings for senior and executive management.</li><li>Knowledge of project life cycles and the impact of scope, schedule and budget changes on the execution of projects.</li><li>Willingness to travel, estimated 10-15%.</li></ul>Desired Qualifications<ul><li>PMP certification</li><li>Project management tools; MS Project, Primavera, and EVM tools</li><li>Skill in using Microsoft applications, email and various database project tracking software packages, scheduling software, and the electronic project management system, e-Builder</li><li>Nuclear weapons experience and Interagency experience</li><li>Knowledge of MS SharePoint project sites and Microsoft Access databases</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: August 28, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $89,700.00 - $162,150.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Project Controls Analyst

Description At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers and our people through our Mission, Vision, and Values, which guide the way we do business. Our team seeks a Senior Proposal Writer with experience in traditional U.S. Government, FEDSIM, and commercial proposals. This position is within the Strategy & Business Development's Capture Operations & Excellence Group, which supports Leidos' largest, most strategic bids across the enterprise. This role works directly with Capture Executives, Solution Architects, and Technical and Management Volume Leads to develop compelling and compliant proposal products resulting in winning bids. The position is primarily onsite in our Reston, VA headquarters during live proposals. Primary Responsibilities:<ul><li>Work with Solution Architects and Subject Matter Experts (SME's) to document, write, and articulate solutions and corporate experience against proposal requirements that also highlight-Why Leidos.</li><li>Assignments include, but are not limited to, leading written responses to technical, management, corporate experience, staffing rationale, resumes, and transition sections.</li><li>Work as part of a collaborative team to clearly articulate solution and strategy, approach to performing the work, experience, win themes, and discriminators.</li><li>Apply communication and interviewing skills to gather needed information from internal and external personnel to support writing activities.</li><li>Write clear, compliant, compelling, persuasive, and articulate proposal sections; translate complex ideas into easily understandable text.</li><li>Develop and implement process improvements to help improve proposal quality.</li></ul>Required Qualifications:<ul><li>Bachelor's Degree with at least 5 total years of professional experience or 3 years with a master's degree. Additional years of experience will be considered in lieu of a degree.</li><li>3 years of experience working as a proposal writer responding to Federal Government solicitations with $100M+ valuation.</li><li>Evidence of a successful track record of high quality, high scoring proposals.</li><li>Demonstrated success writing and leading technical, management, transition, staffing, and/or corporate experience & past performance volumes for complex efforts.</li><li>Proficiency in Microsoft Word, Excel, and PowerPoint.</li><li>Due to nature of the role, U.S. citizenship is required.</li><li>Ability to be onsite for live proposal efforts.</li></ul>Desired Qualifications:<ul><li>Experience with Federal Government proposals, including FEDSIM proposals.</li><li>Experience with traditional video, live orals, and / or demonstration proposals.</li><li>Experience using Generative AI tools to support writing of compelling and compliant proposals.</li><li>Active Secret or Top-Secret clearance and eligibility for SCI.</li></ul>COE22 Original Posting: May 28, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $85,150.00 - $153,925.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Proposal Writer

Description Leidos has a new and exciting opportunity for a Senior Python AI/ML Developer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary: Our LOE program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program Delivers Mission Success!" Seeking a motivated AI/ML prototype developer to support the exciting Corporate Discovery Services mission. Developers will work closely with mission stakeholders to capture requirements and create innovative prototypes and deploy solutions to evaluate and tune machine learning models' ability to integrate, reference, make inferences and consolidate data into a holistic view. Job Responsibilities/Qualifications: <ul><li>Mission Focus: Collaborate closely with customers to enable acceleration to evaluate and tune machine learning models' ability to integrate, reference, make inferences and consolidate data into a holistic view.</li><li>Technical Proficiency: Creatively write and evolve prototype techniques leveraging diverse architecture and methods. Provide database administration, dataflow engineering, data wrangling, and model development.</li><li>Qualifications: Bachelor's degree in computer science or related technical field plus a minimum of eight (8) plus years of relevant experience or equivalent. Proficiency with, but not limited to, Python (i.e. SciKit-learn, TensorFlow, PyTorch), R, GIT and experience with Jupyter Notebooks. Ability to provide database administration for relational databases and TensorFlow.</li><li>Security Clearance Requirement: Candidates must possess an active TS/SCI with Polygraph to be considered for this role.</li><li>Desirable Skills: Proficiency in augmenting, providing context, and/or fine-tuning large language models for generative tasks using approaches such as but not limited to, retrieval augmented generation (RAG) and model context protocol (MCP).</li></ul>At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today! Careers.leidos.com conmd At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 9, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $104,650.00 - $189,175.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Python AI/ML Developer (SWE-3)

Description Leidos has a new and exciting opportunity for a Senior Python Developer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary: Our LOE program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program Delivers Mission Success!" Seeking a motivated Senior Python Developer with the right knowledge, skills, and abilities to support a new cybersecurity initiative. You will work closely with a small team and mission stakeholders to capture requirements, create parsers for network protocols, develop fingerprints and signatures to identify suspicious and anomalous network activity, and deploy solutions to customer supported tools to automate and enable data and metadata analysis. Job Responsibilities/Qualifications: <ul><li>Mission Focus: Collaborate closely with customers to overlay network datasets through an existing architecture with the ABYSS product. Integrate parsers and signatures into ABYSS and develop tradecraft for front end sensors.</li><li>Technical Proficiency: Develop parsing and processing of network protocols to populate customer data repositories. Prototype and develop analytic workflows to automate tasks such as profiling network traffic/activity and detecting/alerting based on network changes.</li><li>Qualifications: Bachelor's degree in computer science, plus 8-years of relevant experience or equivalent. Proficiency with Python, C++, and Spark. Experience with Jupyter Notebooks, JIRA, Confluence, and Git/Gitlab. Understanding of ASDF and TCLD. Knowledge of XKEYSCORE/ABYSS fingerprints.</li><li>Security Clearance: Active TS/SCI with Polygraph required to be considered for this role.</li><li>Desirable Skills: General understanding of SNORT signatures. Familiarity with SCADA/industrial systems and related protocols.</li></ul>At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today! Careers.leidos.com conmd Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: July 28, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $104,650.00 - $189,175.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Python Developer (SWE-3)

Description Leidos has a new and exciting opportunity for a Senior Python SDR Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary The Senior Python/SDR Software Engineer plays a pivotal role in the development, deployment, and evolution of mission-critical systems. This position focuses on building robust applications in a Linux environment, integrating DevSecOps practices, and applying expertise in RF signals, particularly satellite technologies. Key Responsibilities:<ul><li>Develop, test, and maintain SDR applications using Python, with frameworks like GNU Radio and REDHAWK.</li><li>Deploy and manage scalable services using Kubernetes and Helm for orchestration.</li><li>Integrate DevSecOps practices, including threat modeling, vulnerability assessments, and automated security testing.</li><li>Build and maintain CI/CD pipelines for seamless software delivery.</li><li>Utilize Docker for containerization, ensuring consistency across development, testing, and production environments.</li><li>Manage source code using Git, employing effective branching strategies, pull requests, and code reviews.</li><li>Apply RF signal processing expertise, particularly for satellite signals, to optimize SDR applications.</li><li>Collaborate with cross-functional teams to gather requirements, troubleshoot issues, and deliver reliable solutions.</li></ul>Basic Qualifications:<ul><li>Bachelors Degree in Computer Engineering, Electrical Engineering, or Computer Science and 14 or more years of directly related experience. In lieu of bachelors degree an additional 4 years of experience will be considered on a case by case basis.</li><li>Proficiency in Python for software development within a LINUX environment.</li><li>Experience with Helm for managing Kubernetes applications.</li><li>Strong understanding of GNU Radio and REDHAWK frameworks.</li><li>Familiarity with DevSecOps principles and practices.</li><li>Hands-on experience with CI/CD tools (e.g., Jenkins, GitLab CI, CircleCI).</li><li>Proficient in Docker for containerization and orchestration</li><li>Familiarity with RF signal processing, particularly with satellite signals and related technologies</li><li>Understanding of networking concepts and protocols relevant to SDR applications.</li><li>Clearance Requirement: Must have TS/SCI with Polygraph</li></ul>At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today! conmd KQW Original Posting: March 28, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Python SDR Software Engineer

Description Leidos has a new and exciting opportunity for a System Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary: We are seeking a seasoned Systems Engineer (SE) to support advanced mission systems focused on signals intelligence, data routing, and RF exploitation. This role demands deep technical expertise across a suite of specialized platforms including DRT, NiFi, ONEROOF, DARKQUEST, and FORNSAT, with a strong foundation in RF systems engineering. The ideal candidate will thrive in a mission-driven environment and contribute to the design, integration, and sustainment of cutting-edge intelligence capabilities. Key Responsibilities<ul><li>Lead and support full lifecycle systems engineering activities-including requirements analysis, system design, integration, verification, and validation-across mission-critical platforms such as FORNSAT and ONEROOF systems.</li><li>Provide cross-platform expertise in Linux and Windows environments, ensuring secure and seamless interoperability for tools including NiFi, DRT, and FORNSAT-based signal processing systems</li><li>Design, test, and optimize RF systems, antennas, and signal paths with direct application to collection platforms</li><li>Apply advanced FORNSAT knowledge to enhance signal collection, geolocation, and analysis workflows, supporting national-level intelligence objectives</li><li>Collaborate with multi-disciplinary teams of software developers, analysts, and field engineers to integrate GOTS products into operational architectures</li><li>Develop and maintain system documentation, architecture diagrams, and configuration management artifacts; support live mission operations and resolve technical issues in real time across platforms.</li></ul>Qualifications:<ul><li>Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Five (5) years of additional SE experience may be substituted for a bachelor's degree.</li><li>Fourteen (14) years of experience as a System Engineer supporting Contracts and Programs of similar scope, type and complexity is required.</li><li>Clearance Requirement - Active TS/SCI with polygraph</li></ul>At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today conmd NSSPF At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 8, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior RF Systems Engineer

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like the kind of environment where you can thrive, keep reading! We are in search of a Senior Relay Settings Engineer to join our diverse and fast-paced Framingham, MA organization. As a core team member, you will be interacting with other electric utility disciplines, playing a valuable part in leading and designing utility substation and renewable energy projects. Our recognition as an industry leader is confirmed by the latest national rankings by Engineering News-Record (ENR) ranking Leidos within the Top 10 T&D Firms, and Top 10 Power Firms. REMOTE SUPPORT CAPABAILITES: - Candidates are able to support remotely but must be able to relocate to or currently live within the United States. Begin your journey of a flourishing and meaningful career; share your resume with us today! Successful candidates can look forward to a fast paced, diverse work environment & flexible work hours/work arrangements as well as managers who will encourage career development and growth including:<ul><li>Professional Engineer License (PE)</li><li>Project Management Professional (PMP)</li><li>Technical & non-technical training opportunities</li><li>Mentorship Program</li></ul>In this role, you can also expect to gain:<ul><li>NERC PRC compliance expertise</li><li>Electrical Power Calculations and standard development</li><li>Interactions with other disciplines (Substation, Protection & Controls, and Civil Structural)</li><li>Time management and organizational skills</li></ul>In this role, the qualified individual will be expected to:<ul><li>Solving challenging substation engineering problems.</li><li>Working with protection engineers and performing quality reviews on relay setting packages.</li><li>Create logic diagrams for IEC61850 substations.</li><li>Working directly with clients as well as working with other staff in remote office locations.</li><li>Assignments will cover the full range of project planning through design and construction support.</li><li>Preparation of relay settings from 4.16kV through 500kV including relay set points, logic diagrams, configuration files and documentation.</li></ul>What you will bring to the table:<ul><li>Mid- Level: Bachelors of Science in Electrical Engineering (BSEE) two (2+) years of related experience.</li><li>Senior Level: Bachelors of Science in Electrical Engineering (BSEE) four (4+) years of related experience.</li><li>Main requirement is experience with creating relay settings and logic diagrams.</li><li>Capable of using Aspen OneLiner and/or Siemen's CAPE for coordination studies and fault study analysis.</li><li>Preparation of protective relay coordination studies</li><li>Experience with development of relay settings for microprocessor relays including: SEL, Alstom, GE, ABB and others. For both transmission line relays (Line Differential, Step Distance and Pilot Schemes) and substation relays (Capacitors, Transformers and buses)</li><li>Being familiar with Schweitzer AcSELerator QuickSet, General Electric EnerVista and Schneider Electric MiCOM software is a plus.</li><li>Strong engineering and interpersonal skills and high attention to detail with a passion for quality.</li><li>Experience implementing control and protection schemes including interpreting schematics and wiring diagrams and preparing relay logic to complete the schemes.</li><li>Ability to meet deadlines under pressure situations.</li><li>Team player who can work effectively in team environment.</li><li>Self-starter who will work independently with minimal direction.</li><li>Strong written and verbal communication skills required when interfacing with clients and staff.</li><li>High level of computer competency</li><li>The following are additional skills that are considered a plus:</li><li>Experience preparing technical reports.</li><li>Familiarity with PTC MathCAD software</li><li>Previous Quality Assurance/Quality Control experience</li><li>Periodic travel may be required.</li></ul>PDSSUBSTATION PowerDelivery Original Posting: June 25, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $85,150.00 - $153,925.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. #Remote

Senior Relay Settings Engineer

Description Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Developer will work with a large team of developers, software engineers, and data engineers. Primary Responsibilities<ul><li>List daily duties and/or specific job responsibilities.</li><li>Knowledge/experience with the development of Cloudformation scripts to generate network and application infrastructure in a repeatable fashion</li><li>Ability to write custom scripts to install and configure code in EC2 instances</li><li>Experience with Python.</li><li>Develop Java and Python applications that leverage Neo4j and Elasticsearch</li><li>Ability to Implement NodeJS PM2 for application monitoring and resiliency</li><li>Utilized SAFe agile techniques to manage workload</li><li>Leverage Amazon Web Services</li><li>Experience creating RESTful API</li></ul>Required Qualifications<ul><li>Active TS/SCI with Polygraph</li><li>BS degree and 112+ years of relevant experience. Additional experience in lieu of degree.</li><li>Must have experience with Java, Springboot, Python and the Cloud / Amazon Web Services</li><li>Prior experience reading and developing solutions to customer requirements</li><li>Knowledge of Git, Jenkins, or Rundeck</li></ul>Original Posting: July 25, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior SW Engineer

Description The Multi-Domain Solutions (MDS) division at Leidos is seeking a Senior Security & Life Safety Technician who is responsible for supporting the planning, monitoring, and maintenance of life safety and security systems across all organizational facilities. This role ensures the optimal performance and compliance of fire detection, hazard monitoring, emergency egress, and fire suppression systems. The technician plays a key role in supporting outage response, system documentation, and ongoing safety reporting to uphold a safe and compliant environment for personnel and property. Primary Responsibilities:<ul><li>Submits life safety incident reports to the site GPOCs to include 24-hour incident reporting of life safety incidents affecting mission operations.</li><li>Duties include Life Safety Systems Inspection/Testing/Maintenance according to DoD UFC standards.</li><li>Oversee and maintain life safety systems including fire alarms, fire extinguishers, emergency lighting, hazard monitoring systems, and egress systems.</li><li>Conduct inspections, testing, and documentation of life safety systems to ensure compliance with relevant codes and standards.</li><li>Provide technical support for safety system outages and support restoration efforts to minimize operational disruptions.</li><li>Read, monitor, and document safety system performance for daily, weekly, and monthly reports.</li><li>Collaborate with facilities management and safety teams to ensure proactive maintenance and readiness of emergency systems.</li><li>Assist in the development of safety inspection procedures and emergency protocols.</li><li>Ensure compliance with all applicable local, state, and federal safety regulations.</li></ul>Basic Qualifications<ul><li>TS/SCI w/ Poly Clearance is required</li><li>High school diploma or equivalent is required.</li><li>3-5 years of relevant experience in facilities operations, maintenance, or space planning.</li><li>Demonstrated ability to plan, allocate, and manage facility space across multiple locations.</li><li>Working knowledge of building systems such as HVAC, plumbing, and electrical.</li><li>Experience supporting facility inspections and ensuring compliance with safety and operational standards.</li><li>Strong communication skills with the ability to interact with vendors, contractors, and internal stakeholders.</li><li>Ability to solve moderately complex problems by drawing from experience and applying practical judgment.</li><li>Proficiency with Microsoft Office and familiarity with facility management systems.</li></ul>Preferred Qualifications<ul><li> Associate degree or higher in Facilities Management, Construction Management, Engineering, or related field.</li><li>Facility Management Professional (FMP), Certified Facility Manager (CFM), or similar industry certifications.</li><li>Experience in project management, including planning, scheduling, and budgeting for construction or renovation projects.</li><li>Proficiency in interpreting building codes, safety regulations, and compliance requirements (e.g., OSHA, ADA).</li><li>Background in managing contract negotiations and vendor performance.</li><li>Familiarity with CAD software and space planning tools.</li><li>Demonstrated success in long-range space planning and workforce utilization strategies.</li><li>Knowledge of energy management, sustainability practices, and building automation systems (BAS/BMS).</li></ul>Original Posting: May 28, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $50,050.00 - $90,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Security & Life Safety Technician

Description As the largest provider of IT services, Leidos develops and sustains large data and technology infrastructures and integrates complex law enforcement IT system for several US federal agencies. At Leidos we offer engaging careers, a collaborative culture, and support for your career goals and growth. This role would be serving a federal law enforcement agency in Clarksburg, WV with remote work possible. We are seeking a talented and experienced Senior Security Assessor on our team. The ideal candidate will be responsible for leveraging expertise in security testing methodologies to conduct thorough security assessments, utilizing application security tools such as Nessus and Nmap, demonstrating knowledge of network mapping and web application exploitation techniques, actively participating in both blue and red team assessments, and ensuring strict compliance with frameworks like FedRAMP, NIST, and OWASP. This role will be part of a dedicated security assessment team which is part of a larger team that is responsible for identifying and mitigating security vulnerabilities across the organization's applications and infrastructure. Primary Responsibilities:<ul><li>Plan and execute comprehensive security assessments of applications, systems, and networks.</li><li>Utilize application security tools (e.g., Nessus, Nmap) to identify vulnerabilities and weaknesses.</li><li>Perform network mapping to understand network topology and potential attack vectors.</li><li>Conduct web application penetration testing to assess for common web exploitation techniques.</li><li>Participate in blue team activities, analyzing security logs and monitoring systems for suspicious activity.</li><li>Participate in red team exercises, simulating real-world attacks to identify vulnerabilities and test defense effectiveness.</li><li>Analyze assessment results and prepare detailed reports documenting findings, risks, and remediation recommendations.</li><li>Communicate security findings and recommendations to developers, system administrators, and other stakeholders.</li><li>Verify the implementation of security fixes and remediation efforts.</li><li>Develop and maintain security testing methodologies and procedures.</li><li>Stay up-to-date on the latest security threats, vulnerabilities, and testing techniques.</li><li>Ensure compliance with relevant security frameworks and standards, such as FedRAMP, NIST, and OWASP.</li><li>Collaborate with other security professionals to improve the overall security posture.</li><li>Automate security testing processes where possible.</li><li>Provide guidance and mentorship to junior security assessors.</li></ul>Basic Qualifications:<ul><li>Bachelor's Degree in Software Engineering, Computer Science, Information Systems</li><li>Management, Cyber Security or other related discipline, or equivalent experience; additional years of experience may be considered in lieu of a degree</li><li>6+ years of prior relevant experience</li><li>Certified Ethical Hacker (CEH) or Certified Information Systems Auditor (CISA) required</li><li>Professional work experience with a variety of dynamic and static application security tools to include Nessus and Nmap</li><li>In-depth knowledge and professional work experience with network mapping, web application exploitation, and database reconnaissance</li><li>Previous experience with blue and red team assessments</li><li>Experience with information systems security risk assessments, compliance reviews, in-depth vulnerability assessments on a variety of OS, databases, web application/services, and virtualization platforms</li><li>Experience in information system compliance with government standards and industry best practices, including FedRAMP, NIST, OWASP, Common Criteria, DISA, and SANS Institute</li><li>Expertise in the evaluation of enterprise wide security functional testing methodologies and strategies to include technical and operational controls test through automated and manual processes.</li><li>Ability to research and learn both independently and as part of a team</li><li>Must have reliable internet access</li><li>Must be a US Citizen to apply</li><li>DOD Top Secret Clearance is required</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: May 20, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $104,650.00 - $189,175.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Security Assessor

Description Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. The Leidos Innovations Center (LInC) at Leidos currently has an opening for a Senior Signal Processing Engineer to support EW programs in Arlington, VA or San Diego, CA. As a LInC EW Senior Signal Processing Engineer, you will be responsible for research, design, and development of signal collection, processing and dissemination systems. Duties may include designing, developing, and analyzing systems for the extraction of information from signal sensors. You will support the Division by achieving program objectives, leading technical teams - and participate in business development activities. The ideal candidate will possess superior analytical and problem-solving skills, operate independently with limited supervision and feedback, be a strong team player, and have the ability to establish solid working relationships with technical staff members and peers within the division as well as our external Government customers. Regular tasks will include: - Develop novel and advanced algorithms, performance simulation, and analysis - using simulated and real data in both time series and spectral domains - Support marketing and business development initiatives: develop technical solutions and new ideas for response to capture efforts (e.g., BAAs, RFPs etc.) - Participate in, and/or lead, lab-based and field testing - Lead and/or engage in multiple projects - May serve as Technical Team Lead - Communicate results in briefings and written material to your team, the Customer and management At Leidos, we offer competitive benefits http://www.leidos.com/careers/pay-benefits , including 4 or more weeks Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in Advanced Warfare Technology! Required Qualifications: - Must be U.S. Citizen with an active Secret clearance and the ability to obtain a TS/SCI level clearance - Bachelors of Science in Electrical Engineering, Physics, Computer Science, Mathematics or related field - 8+ years' experience in radar signal processing - Fluent with tools such as MATLAB, Linux, Mathematica, Python, Simulink - and languages such as C/C++, Java etc. - Working knowledge areas such as digital filtering, spectral estimation, detection and estimation theory, linear algebra and stochastic processes - Ability to work in a team environment, as well as independently - Adaptability to new challenges with a strong motivation to grow and learn in new areas - Demonstrated leadership of small multi-disciplinary technical teams and/or projects - Demonstrated strong oral and written communication Preferred Qualifications: - PhD in Electrical Engineering, Physics, Computer Science, Mathematics or related field - Task lead or team leadership experience - Experience working in EW, SIGINT and/or radar fields as a technical leader - Business Development and Capture experience (e.g., Proposals, white papers etc.) - Experience working in areas of modeling and simulation (M&S), radar, adaptive radar, signals processing, algorithm development synthetic aperture radar (SAR) or similar fields NOTE: for this position the salary range will be $150,000 - $217,000 for qualified candidates with an active clearance and the ability to obtain a TS/SCI clearance. Must be able to work onsite in our Arlington, VA or San Diego, CA offices. LInC AWTLINC Original Posting: July 2, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $104,650.00 - $189,175.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Signal Processing Engineer

Description Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. Due to success of continued growth - the Leidos Innovations Center (LInC) at Leidos (in Arlington, VA or San Diego, CA) currently has an opening for a Senior Signal Processing Engineer. As a LInC EW Senior Signal Processing Engineer, you will be responsible for research, design, and development of signal collection, processing and dissemination systems. Duties may include designing, developing, and analyzing systems for the extraction of information from signal sensors. You will support the Division by achieving program objectives, leading technical teams - and participate in business development activities. The ideal candidate will possess superior analytical and problem-solving skills, operate independently with limited supervision and feedback, be a strong team player, and have the ability to establish solid working relationships with technical staff members and peers within the division as well as our external Government customers. Regular tasks will include a mix of the following: - Develop novel and advanced algorithms, performance simulation, and analysis - using simulated and real data in both time series and spectral domains - Serve as Technical Team Lead - Lead or support marketing and business development initiatives: develop technical solutions and new ideas for response to capture efforts (e.g., BAAs, RFPs etc.) - Participate in, and/or lead, lab-based and field testing - Lead and/or engage in multiple projects - Communicate results in briefings and written material to your team, the Customer and management At Leidos, we offer competitive benefits http://www.leidos.com/careers/pay-benefits , including 4 or more weeks Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in Advanced Warfare Technology! Basic Qualifications: - Must be U.S. Citizen with an active Secret clearance and the ability to obtain a TS/SCI level clearance - Bachelors with 12+ years prior relevant experience, or Masters with 10+ years prior relevant experience - Fluent with tools such as MATLAB, Linux, Mathematica, Python, Simulink - and languages such as C/C++, Java etc. - Working knowledge areas such as digital filtering, spectral estimation, detection and estimation theory, linear algebra and stochastic processes - Demonstrated leadership of small multi-disciplinary technical teams and/or projects - Demonstrated strong oral and written communication - Experience working in EW, SIGINT and/or radar fields as a technical leader Preferred Qualifications: - Doctoral degree - Business Development and Capture experience (e.g., Proposals, white papers etc.) - Experience working in a Research and Development (R&D) environment NOTE: for this position the salary range will be $180,000 - $260,000 for qualified candidates with an active clearance and the ability to obtain a TS/SCI clearance. Must be able to work onsite in our Arlington, VA or San Diego, CA offices. AWTLINC Original Posting: June 24, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description Leidos has a new and exciting opportunity for a Senior Signals Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Position is eligible for a $25,000 sign on bonus. Primary Responsibilities:<ul><li>Analyze user requirements to derive software design and performance specifications.</li><li>Design, develop, and enhance software to add new features or improve existing functionality.</li><li>Debug and resolve defects in software systems.</li><li>Utilize signal processing techniques and digital modulation methods effectively.</li><li>Develop software using C++ and Java within Linux operating systems.</li><li>Integrate software into new or modified systems, ensuring seamless operation.</li><li>Lead or participate in the development and execution of test procedures for software components.</li><li>Write and review software and system documentation, providing recommendations to improve processes and standards.</li><li>Apply scientific analysis and mathematical models to design software solutions and predict outcomes.</li></ul>Basic Qualifications:<ul><li>Masters Degree in Computer Science or related discipline from an accredited college or university is required with 15 years of experience.</li><li>Seven (7) years' experience as a SSWE or equivalent on a project with a focus on Radio Frequency (RF) to include experience with Fourier transforms, filtering, communications theory, digital modulation, error control coding, signals analysis tools (e.g. WVT, DVT), and digital signal processing (e.g. adaptive beamforming/ filtering, demodulation). Seven (7) years of additional SSWE or equivalent experience on projects with similar software processes may be substituted for a bachelor's degree.</li><li>Clearance Requirement: Active TS/SCI with polygraph</li></ul>Preferred Qualifications:<ul><li>Experience with software-defined radio architectures (e.g., SCA, REDHAWK, GNU) and commercial wireless standards.</li><li>Proficiency in software configuration management tools (e.g., GIT, Trac, Subversion).</li><li>Familiarity with Python, Eclipse IDE, Google Protocol Buffer, and model-based design tools like MATLAB or SIMULINK.</li><li>Knowledge of service-oriented architecture, Kubernetes, Docker, and cloud deployment (e.g., AWS).</li><li>Expertise in front-end technologies such as JavaScript, TypeScript, HTML, and CSS, including libraries like React, Vue, or Angular.</li><li>Experience working with REST APIs, WebSockets, and JavaScript 3D libraries (e.g.,Three is a plus).</li><li>Background in Agile development teams and geolocation techniques.</li></ul>CONMD CSSRC At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 9, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $148,850.00 - $269,075.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Signals Software Engineer

Description Leidos has a new and exciting opportunity for a Senior Signals Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Position is eligible for a $25,000 sign on bonus. Primary Responsibilities:<ul><li>Analyze user requirements to derive software design and performance specifications.</li><li>Design, develop, and enhance software to add new features or improve existing functionality.</li><li>Debug and resolve defects in software systems.</li><li>Utilize signal processing techniques and digital modulation methods effectively.</li><li>Develop software using C++ and Java within Linux operating systems.</li><li>Integrate software into new or modified systems, ensuring seamless operation.</li><li>Lead or participate in the development and execution of test procedures for software components.</li><li>Write and review software and system documentation, providing recommendations to improve processes and standards.</li><li>Apply scientific analysis and mathematical models to design software solutions and predict outcomes.</li></ul>Basic Qualifications:<ul><li>Bachelor's degree in Computer Science or related discipline from an accredited college or university is required with 15 years of experience. Seven (7) years' experience as a SSWE or equivalent on a project with a focus on Radio Frequency (RF) to include experience with Fourier transforms, filtering, communications theory, digital modulation, error control coding, signals analysis tools (e.g. WVT, DVT), and digital signal processing (e.g. adaptive beamforming/ filtering, demodulation). Seven (7) years of additional SSWE or equivalent experience on projects with similar software processes may be substituted for a bachelor's degree.</li><li>Clearance Requirement: Active TS/SCI with polygraph</li></ul>Preferred Qualifications:<ul><li>Experience with software-defined radio architectures (e.g., SCA, REDHAWK, GNU) and commercial wireless standards.</li><li>Proficiency in software configuration management tools (e.g., GIT, Trac, Subversion).</li><li>Familiarity with Python, Eclipse IDE, Google Protocol Buffer, and model-based design tools like MATLAB or SIMULINK.</li><li>Knowledge of service-oriented architecture, Kubernetes, Docker, and cloud deployment (e.g., AWS).</li><li>Expertise in front-end technologies such as JavaScript, TypeScript, HTML, and CSS, including libraries like React, Vue, or Angular.</li><li>Experience working with REST APIs, WebSockets, and JavaScript 3D libraries (e.g.,Three.is a plus).</li><li>Background in Agile development teams and geolocation techniques.</li></ul>CONMD CSSRC At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 9, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Signals Software Engineer - 25k Sign on Bonus

Description Do you want to join a high performing team that values integrity, innovation, and collaboration with a company whose mission is to make the world safer, healthier, and more efficient through information technology, engineering, and science? Are you interested in making a difference by applying your signature production skills toward state-of-the-art research and development problems? Leidos currently has an exciting opening for a signatures modeling engineer to work in our Beavercreek office in the greater Dayton, OH area. As a Signatures Modeling Engineer, you will apply your skills and critical thinking to a wide variety of signature modeling programs supporting AFRL, NASIC, LCMC, and other customer agencies. You will run state of the art signature prediction codes, like Xpatch and SENTRi on airborne and ground-based vehicle models to generate highly accurate signature models. You will also create custom signature prediction tools and perform special analyses in support of critical customer mission areas. This job offers a unique ability to collaborate directly with the creators of industry standard tools such as Xpatch as well as others (SENTRi, etc.). We are looking for a qualified candidate to bring technical excellence, leadership, entrepreneurship, and creativity to our programs. You will interact with customers, participate in, and lead technical projects areas, and pursue growth in new areas. This position requires most job duties to be performed onsite due to the sensitive nature of this work and the desire for in-person collaboration, however we offer flexible in-office hours and the ability to perform some job duties remotely. Primary Responsibilities<ul><li>Model and characterize electromagnetic (EM) phenomenology (scattering, absorption, polarization, refraction, diffraction, etc.) primarily in, but not limited to, radio frequency (RF) bands</li><li>Characterize and evaluate radar cross sections (RCS)</li><li>Verify and validate measured data and computational electromagnetic (CEM) predictions</li><li>Create signature predictions using CEM prediction software (SENTRi, Xpatch, COMSOL, CST, HFSS, Feko, etc.)</li><li>Write and present technical information related to development activities</li><li>Assist or lead the team with business development activities by supporting proposal and technical solution development and also in interfacing with other parts of Leidos for multi-disciplinary capture opportunities</li><li>Apply technical leadership abilities and lead or assist teams to develop solutions for complex technical issues</li></ul>Basic Qualifications:<ul><li>Bachelor's degree with 12+ years' experience or a master's degree or higher with 10+ years' experience in Electrical Engineering or a closely related scientific field such as Physics, Optics, Engineering Physics, etc.</li><li>US citizen</li><li>Must have an active Secret clearance with the ability to obtain a TS/SCI clearance</li><li>Strong understanding of applied electromagnetics with skills in EM modeling and experimentation</li><li>Adept in CEM prediction software and proven history of applying simulation tools to characterize EM phenomenology</li><li>Excellent communication skills and a willingness and interest to collaborate in an interdisciplinary team environment to drive towards overall project and team objectives</li><li>Expert in technical writing, documentation, and organization</li><li>Ability to both lead and work as a team member</li><li>Strong attention to detail and deadlines</li><li>Ability to lead small technical teams to solve complex problems</li><li>A self-starter with a strong drive to lead and develop solutions that meet customer demands in a timely manner</li></ul>Preferred Qualifications:<ul><li>PhD</li><li>Active TOP SECRET is desired, but not required</li><li>Radar Cross Section (RCS) design familiarity</li><li>Knowledge of antenna and radome design principles</li><li>CAD and meshing familiarity</li><li>Supervisory experience</li><li>Interest in Business Development</li><li>Entrepreneurial interest in working across multi-disciplinary teams on larger, more complex undertakings</li><li>A basic understanding of, or exposure to the following is a plus, but not required:</li><li>Automatic Target Recognition</li><li>Radar signal processing fundamentals</li><li>MATLAB, Python, and C++ </li><li>Experience with running simulations on high-performance computing (HPC), graphics processor units (GPU), and other advanced processing platforms</li></ul>AWTLINC Original Posting: March 14, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Signatures Modeling Engineer

Description Leidos National Security Sector is seeking a talented Senior Software Developer to join a diverse team to create unique solutions for complex problems. In this role, you will be responsible for supporting our logistics software suite with regular software maintenance, minor and major upgrades to the code and database. Your work will be conducted remotely with some work on site at Robins AFB, GA and OCONUS locations. Primary Responsibilities: <ul><li>Design, develop, troubleshoot, and debug mission critical software source code for a closed network using SQL, .NET.</li><li>Participate in the full software development lifecycle, working within broadly defined parameters.</li><li>Support creation and updating of all relevant documentation and specifications for design, development and testing.</li><li>Support configuration management activities, managing software versions, builds, and associated documentation.</li><li>Support configuration control boards.</li><li>Identify potential roadblocks and develop around them.</li><li>Plan and estimate development tasks and work to improve performance metrics.</li><li>Develop maintainable code that matches specification.</li><li>Own delivery of small parts of a system or application.</li><li>Work closely with other engineers to develop the best technical design and approach for new product development.</li><li>Build software solutions where the solution is not always well defined but always considers the customer first.</li></ul>Basic Qualifications:<ul><li>Bachelor's degree and 8+ years of applicable experience or a Master's Degree with 6+ years of experience. Additional experience can be considered in lieu of a degree.</li><li>US Citizen with at least a TS/SCI clearance.</li><li>Experience with databases and website sustainment.</li><li>Experience with SQL, .NET framework, databases</li><li>Knowledge of Windows and Red Hat Linux environments.</li><li>Experience with ACAS or other software scanning tools.</li><li>Solid understanding of software development process fundamentals.</li><li>Knowledge of a version control system (e.g., Git).</li><li>Experience with configuration management processes and managing configuration items.</li><li>Knowledge of configuration management audit requirements.</li><li>Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.</li><li>Possess 8140 certification requirements to be a privileged user in the lab including but not limited to Security+.</li></ul>Preferred Qualifications:<ul><li>Familiarity with basic web technologies including HTML, CSS, XML, REST, JSON, SOAP, and WSDL</li><li>Familiarity with web application technologies, such as Apache Tomcat, JBoss, etc.</li><li>Knowledge of Agile Development methodologies.</li><li>Experience with Confluence and Jira.</li><li>Experience developing cybersecurity documentation.</li><li>Knowledge of Air Force RMF requirements and instructions.</li><li>Familiarity with multiple operating systems (Mac OSX, Windows, LINUX, etc.).</li><li>Familiarity with multiple Relational Database Management System (Oracle, MySQL, PostgreSQL, SQL Server, etc.).</li><li>Familiarity with server-side JavaScript.</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: August 29, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $104,650.00 - $189,175.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. #Remote #Featuredjob

Senior Software Developer

Description Leidos is seeking a Sr. Orchestration & Automation Software Developer to join our AGUN team. PROGRAM SUMMARY: The AGUN program is a highly demanding mission and requires expert technical and professional management to support the Army's global wide area network and security infrastructure. You will be supporting a large and complex network migration and operations for the US Army. This role will include resolving service tickets on the AGUN system, providing prioritized validated/tested automated workflows to the Operations and Management Team, and providing operational support activities for a global network. CLEARANCE REQUIREMENT: Must currently possess and be able to maintain an active DoD SECRET security clearance. (US Citizenship required) What you will do:<ul><li>Operate and maintain secure network solutions operated as a centralized enterprise capability for the US Army and provide 8x5 and on call tier III support.</li><li>Conduct automation workflow development prioritized by the Global Cyber Center (GCC) for Operations & Management and GCC use.</li><li>Lead a small team of developers.</li><li>Provide general support to GCC focusing on automation backlog found in SEP and working non-standard changes or emergency workflows for the GCC.</li><li>Analyze and understand secure wide area connectivity inclusive of underlay, overlay, and transport design that supports performance, quality of service, security, and mission requirements. </li><li>Support secure access solutions leveraging zero trust network access (ZTNA) including support for creation of new access policies and maintenance of existing policies. </li><li>Integrate capacity planning and scaling of network and security stack environments into the overall operational support processes and staff.</li><li>Escalate tickets and problems through the Jira Service Desk ticketing system to higher tier teams as required.</li><li>Partner with key stakeholders and technical experts to perform legacy environment discovery, assessing current capabilities, configurations, and requirements to provide tier III support for the Army global network. </li><li>Collect, investigate, and identify network optimization strategies and techniques to meet capacity and performance standards.</li><li>Work with information assurance teams and the AGUN cybersecurity service provider (CSSP) to ensure compliance to DoD standards to assist with maintenance of the network security posture.</li></ul>BASIC QUALIFICATIONS:<ul><li>Minimum of a Bachelor's degree with 8+ years' experience or Master's degree with 6+ years of experience (additional years of directly applicable experience may be accepted in lieu of a degree).</li><li>Require active DoD IAT Level II (i.e. Security+) certification or equivalent prior to start.</li><li>Demonstrated experience with supporting Cisco SDWAN and/or Palo Alto NGFW</li><li>Demonstrated experience with networking concepts and protocols: LAN, WAN, BGP, TCP/UDP, IPSec, VPN, Routing(L2/L3), and Firewalls.</li><li>Demonstrate experience in one or more of the following enterprise network management tools such as Palo Alto Panorama, Cisco Prime, Cisco DNA, or Junos Space.</li><li>Must have experience in working with two or more of the following vendor network technologies: Cisco, Juniper, Palo Alto, or Dell.</li><li>Experience with the following protocols: SFTP, SSH, SCP, SNMP, NTP.</li><li>Understanding of virtualized network devices, infrastructure, and architecture.</li><li>Understanding of SecDevOps processes.</li><li>Must be able to work as part of a team to lead troubleshooting and resolve complex network issues.</li><li>Excellent written and verbal communication skills.</li></ul>PREFERRED QUALIFICATIONS:<ul><li>Certified Cisco Network Professional (CCNP) or equivalent.</li><li>Experience leading small teams.</li><li>Demonstrate experience in system hardening of network infrastructure to include DoD STIG implementation and automation.</li><li>Experience developing network automation.</li><li>Experience with VMware support.</li><li>Experience with GitLab source control and CI/CD pipeline development.</li><li>Experience with NetSecOps technologies including salt, git, Ansible, Terraform, Puppet and network element managers.</li><li>Knowledge of Kubernetes or Docker.</li><li>Network Performance Management (SNMP, NETMON, LiveAction)</li><li>AGILE development experience.</li><li>Knowledge of Software Defined Networking (SDN) concepts.</li><li>Experience with AppGate/ZTNA architecture.</li><li>Demonstrate expertise in design and improvement of complex and geographically diverse enterprise networks.</li><li>Expert knowledge of US Army security requirements for network infrastructure.</li></ul>Original Posting: July 14, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $89,700.00 - $162,150.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities within a matrixed research and development organization. This position will be responsible for designing and developing browser-based applications, backend data ETL, 3D modeling, and AI integration. This position requires advanced knowledge (at least 12 years) of computer science, application development, requirements collection, system design, data analysis, test, simulation, and verification of software simulation or decision systems. A successful applicant will be able to write various coding languages (for example: Java, C++, Python, R, JavaScript, HTML), construct enterprise solutions using multi-level architectures, containerization, cloud services, database systems, and COTS integration (for example: JBoss, Tomcat, MySQL, PostgreSQL, MongoDB, Docker). A successful applicant will also need to mentor and lead teams of other subject matter experts, guiding and teaching junior and mid-level resources in the process of defining new systems to achieve specific research and development goals. This software development position leads activities and performs them. It is a critical role within multiple active R&D projects. The focus of this position is on the creation of new, novel, and imaginative approaches to solving difficult analytical, modeling, and engineering challenges within the government problem domain. Required clearance: Candidates for consideration must possess an active and in-scope Top Secret clearance with the ability and willingness to obtain SCI and Polygraph after start. The program may consider sponsoring a clearance upgrade for the right candidate that holds another lower level US government security clearance as a starting point. This position requires US citizenship. Required Education, Skills, and Experience: - BS degree in Computer Science, Information Systems, Systems Engineering, or relevant systems or science discipline and 12+ years of experience or Masters degree and 10+ years of experience. - 3+ years' experience in the intelligence and/or DoD communities - 5+ years' experience with software development - 5+ years' Java experience, building HTML/JavaScript (eg. Angular) user interfaces, data storage back ends in json, sql, or no-sql databases. Experience building simulation gameboards" and scenario-design tools - 3+ years' experience delivering tools or solutions to end users, guiding them through adaptation, and working through emerging requirements. - 3+ years' experience with detailed Agent-Based simulations, formatting input or post-processing output. - Ability to conceive of, prototype, and present new analytic tools that deal with qualitative and user survey collected data as well as geospatial, numeric, and scientific data and programming - Capability to execute Extract-Transform-Load (ETL) scripting, build custom scripts, generate docker containers, and collect data within both a Windows and a Linux/Unix environment - Ability to work closely with users to design, build, prototype, and deploy software systems within highly managed government environments - Experience documenting software systems using Word, PowerPoint, or in-line video help - Experience explaining or teaching software systems in a meeting or conference setting - Ability to work individually, as well as within a larger team construct - Excellent technical writing, communication, and customer relation skills - Highly detailed oriented - Adept at working in a fast-paced environments - Ability to resolve complex, unclear problems and issues with research and nontraditional solutions - Expert in creating briefs and documents using Microsoft office Desired Technical Qualifications: - MS in degree in Computer Science, Information Systems, Systems Engineering, or relevant systems or science discipline - Experience with Artificial Intelligence and Machine Learning - Working knowledge of the Defense Threat Reduction Agency (DTRA) - Research & Development Directorate - Experience working with Combatant Commands - Ability to work closely with users to design, build, prototype, and deploy software systems within highly managed government environments - COTS integration experience to include 3D modeling tools, simulation applications, and visualization tools. - Ability to design and build software systems from scratch" - Experience to documenting software systems and explaining or teaching software systems in a meeting or conference setting - Experience delivering tools or solutions to end users, guiding them through adaptation, and working through emerging requirements - A history of working with detailed Agent-Based simulations, formatting input or post-processing output would be preferred. - A history of using MASON simulation library especially valuable. At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 3, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Software Developer - TS/SCI Clearance Required

Description The Software Engineer will perform software development lifecycle (SDLC) activities as a member of an Agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabilities for the large complex enterprise system. Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementing robust testing leveraging DevOps automation and, where appropriate, use of test automation commercial tools. There are a range of opportunities for server-side business logic implementation as well as client web application and user interface (UI) development. Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (i.e., Angular, JavaScript, CSS, HTML, etc.) and special purpose device programming opportunities are available. Primary Responsibilities The Software Engineer will be responsible for software development activities both individually and as a member of an Agile team. The Software Engineer will actively participate in daily stand-ups, Sprint Planning, Program Increment (PI) Planning, and other related team activities. The individual will analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable. She/he will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. She/he will engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench. Basic Qualifications <ul><li>Bachelor's degree in Computer Science or a related field and at least 12 years of relevant experience. Additional experience may be substituted for a degree.</li><li>Must have demonstrated experience with Java.</li><li>Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.</li><li>Must have experience or familiarity with multiple of the following languages such as Javascript, Python, C/C++, Groovy, Structured Query Language (SQL).</li><li>Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm.</li><li>Must have experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server.</li><li>Must have experience with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience working with AngularJS, JSON, HTML, XML, XSLT.</li><li>Must have experience with software source control and configuration management tools.</li><li>Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures).</li><li>Must have experience developing on Windows, and/or Linux operating systems.</li><li>Must have documented professional experience with web services.</li><li>Must have a strong understanding of sound software development principles and practices.</li><li>Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing.</li><li>Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment.</li></ul> Preferred Qualifications <ul><li>Experience with the following: Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting.</li><li>Experience or familiarity with multiple of the following technologies: XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, Containers (Docker, Podman, Kubernetes, OpenShift).</li><li>Experience with Javascript frameworks: AngularJS, Bootstrap, JQuery.</li><li>Experience with Testing and Mocking frameworks: JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber, Unified Functional Tester (UFT), Selenium, FITNesse.</li><li>Experience with build tools: Maven, CMake, RPM, Jenkins, Nexus.</li><li>Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.</li><li>Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, Test Driven Development (TDD), Refactoring, and Acceptance Test Driven Development (ATDD).</li><li>Experience with Behavior Driven Development (BDD).</li><li>Secure Software development (i.e., Layer 7 Policy).</li><li>Experience with the Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an Agile team.</li></ul>careers.leidos.com/CONMD CSSKEY CONMD Original Posting: March 20, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Software Engineer

Description Leidos is seeking a driven and experienced Full Stack Software Engineer to support a high-stakes, mission-critical program. In this role, you'll help architect, develop, and integrate software solutions that shape national security and drive meaningful innovation. Join an Agile team where your expertise won't just be valued-it will be vital. 💰 Sign-on Bonus: $25,000 Primary Responsibilities<ul><li>Design, develop, and enhance secure software applications and systems</li><li>Integrate new software into evolving operational environments</li><li>Analyze user needs to craft efficient and scalable solutions</li><li>Debug and optimize existing software for performance and reliability</li><li>Implement complex algorithms that meet rigorous technical standards</li><li>Create and maintain system documentation and technical reports</li><li>Collaborate in Agile Scrum teams to deliver rapid, high-quality releases</li></ul>Basic Qualifications<ul><li>14+ years of software engineering experience on comparable programs</li><li>Bachelor's degree in Computer Science or related discipline</li><li>TS/SCI clearance with Polygraph</li><li>Familiarity with front-end frameworks (React, Angular, or Vue)</li><li>Proven ability to lead technical efforts and ensure code quality</li></ul>Preferred<ul><li>Proficient in Java for backend development </li><li>Strong knowledge of Git, Linux, Jira, Eclipse, and Confluence</li></ul>CONMD CSSRC At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: July 23, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description Leidos is seeking a Senior Software Engineer to support the Integrated Threat Warning Laboratory (ITWL) at Wright-Patterson Air Force Base. As the lead developer for the Hardware in the Loop (HITL) sensor testing environment, you will play a key role in advancing the lab's capabilities to evaluate cutting-edge missile & laser warning systems. This position requires hands-on software development and close coordination with government customers and technical teams supporting critical Department of Defense initiatives. Please note: Candidate must be willing and able to work 100% on-site. Primary Responsibilities<ul><li>Maintain and evolve the ITWL's primary hardware-in-the-loop (HITL) system for electro-optical sensor evaluation</li><li>Modernize system architecture using object-oriented design principles and current C++ standards</li><li>Design and develop scientific and control software in C++, C, Matlab&reg;, and Python</li><li>Integrate and troubleshoot hardware APIs and vendor device interfaces</li><li>Support sensor testing, data acquisition, and research and development (R&D) efforts through custom application development</li><li>Implement TCP/IP Winsocket client/server communication for Ethernet-based control systems</li><li>Document designs and conduct software testing to ensure quality and reliability</li><li>Collaborate with technical leads and customers to refine requirements and deliver project milestones</li><li>Operate independently and contribute to a small, focused development team</li><li>Work fully on-site at Hangar 4B on Wright-Patterson AFB</li></ul>Basic Qualifications<ul><li>Bachelor's degree in Computer Science, Computer Engineering or related technical field with 8+ years of relevant experience or Master's degree with 6+ years of relevant experience</li><li>5+ years of software development experience, including:</li><li>Proficiency in C++ with object-oriented programming (inheritance, polymorphism)</li><li>Experience with C for hardware and API integration</li><li>Knowledge of TCP/IP networking and socket-based communication</li><li>Familiarity with development environments such as Embarcadero C++ Builder or Microsoft Visual Studio</li><li>Strong attention to detail and problem-solving skills</li><li>Excellent communication and interpersonal abilities</li><li>Must be a U.S. citizen and able to obtain a DoD Secret clearance</li><li>Willing and able to work 100% on-site</li></ul>Preferred Qualifications<ul><li>Active DoD Secret clearance</li><li>Experience with Matlab&reg; and Python for scientific or data-driven programming</li><li>Knowledge of optical or electro-optical systems</li><li>Understanding of the software development lifecycle, including design, implementation, and testing phases</li><li>Experience supporting R&D environments or test laboratories</li></ul>Please Note: The anticipated salary range and budget for this position is $140,000 to $155,000, determined by your experience, skills, abilities, internal equity, etc. The posted salary range below is intended to show the broad range but the actual salary range and budget for this position is targeted at $140,000- $155,000 annually. LInC At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: July 9, 2025 At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Pay Range: Pay Range $104,650.00 - $189,175.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description Leidos has challenging and exciting C/C++ developer opportunities available now! We are seeking a talented Senior Software Engineer to join our dynamic Agile software teams in Omaha, Nebraska where you can let your inner geek shine!<ul><li>Do you like working with pointers?</li><li>Do you want to get away from all-day meetings and focus on solving technical problems?</li><li>Do you crave autonomy to solve your own problems?</li><li>Do you enjoy being surrounded by others that share your affinity for writing quality code?</li></ul>If you answered yes to these questions, then we have an opportunity for you. At Leidos you will work with leadership who provide clear directions and sets clear expectations. You will work in a stable environment that values and rewards consistency and thoughtful approaches to meeting our objectives. We value work life balance, with a convenient location in the heart of Aksarben in Omaha, Nebraska. We enjoy working collaboratively in an onsite work environment and offer exceptional benefits like a strong 401k retirement plan, medical, disability and so much more! Primary Responsibilities:<ul><li>All aspects of the software development lifecycle including scope and work estimation, architecture and design, coding, and automated testing within an Agile and Continuous Integration and Continuous Delivery model.</li><li>Own the delivery of an entire piece of a system or application, and serve as a technical lead on medium to large, complex projects.</li><li>Work closely with other engineers to develop the best technical design and approach for new product development.</li><li>Communicate progress against plan to senior engineers and project managers, including identifying risks, opportunities, and dependencies.</li><li>Ensure team adheres to Agile processes and software engineering best practices.</li><li>As needed, mentor other engineers in the art of building complex, web scale systems.</li><li>Design, develop, troubleshoot, and debug mission critical software source code using modern software development languages and tools, such as rust.</li><li>Participate in the full software development lifecycle, working within broadly defined parameters.</li><li>Use Agile development tools such as Jira, Confluence, and Bitbucket/Git to manage work and collaborate with your teams.</li><li>Support creation and updating of all relevant documentation and specifications for design, development and testing.</li><li>Identify potential roadblocks and develop around them.</li><li>Plan and estimate development tasks and work to improve performance metrics</li><li>Develop maintainable code that implements user stories.</li><li>Develop automated tests leveraging a continuous integration process.</li><li>Work closely with other engineers to develop the best technical design and approach for new product development.</li><li>Build software solutions where the solution is not always well defined but always considers the customer first.</li></ul>Basic Qualifications:<ul><li>Bachelor's degree in software engineering, computer science, or related field with 4+ years of software engineering experience or a Masters Degree with 2+ years of experience. Additional experience maybe considered in lieu of a degree</li><li>US Citizen with the ability to obtain at least a Secret level clearance</li><li>Strong proficiency with C/C++</li><li>Proficiency with Rust</li><li>Experience delivering an entire piece of a system or application</li><li>Deep understanding of software design patterns</li><li>Knowledge of Agile Development methodologies</li><li>Experience with a version control system (e.g., Git)</li><li>Experience with an issue/problem tracking system (e.g., Jira)</li><li>Proficiency with multiple operating systems (Mac OSX, Windows, LINUX, etc.)</li><li>Proficiency with at least one Relational Database Management System (Oracle, MySQL, PostgreSQL, SQL Server, etc.)</li><li>Proficiency with MS Office Products (Word, Excel, Visio, & PowerPoint) team player who can express and explain their ideas to others</li><li>US Citizenship with the ability to obtain and maintain a DoD Secret Security Clearance</li><li>Active DoD Secret Clearance required</li></ul>Preferred Qualifications:<ul><li>US Citizen with an active DoD Secret Clearance</li><li>Experience with USSTRATCOM Nuclear Planning process</li><li>Experience with the use of the Air Vehicle Planning System (APS) for mission planning.</li><li>DOD 8570 IAT level 2 baseline certification</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 8, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $85,150.00 - $153,925.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. #Featuredjob

Description Leidos has a new and exciting opportunity for a Senior Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary: Our LOE program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program Delivers Mission Success!" Job Responsibilities/Qualifications: <ul><li>Transition the functionality of the PostGIS database and the functionality of the Jupyter Notebook based on customer direction.</li><li>Develop prototypes answering new questions as well as providing better answers to existing questions based on customer direction</li><li>Develop a series of user facing query forms to leverage stored data to enable analysts to answer geospatial questions</li><li>Provide development support to analytic front ends to verify conformity and performance to proposed GUI designs.</li><li>Provide operational maintenance and support for Customized/Do It Yourself analytics.</li><li>Provide subject matter expertise for metric generation, usage, and applications</li></ul> What Sets You Apart: <ul><li>Bachelor's degree plus eleven (11) plus years of relevant experience or master's degree plus 3-years of relevant experience. An associate's degree plus 7-years of relevant experience or high school diploma/GED plus 9-years of relevant experience may be considered for individuals with in-depth experience that is clearly related to the position</li><li>Computer Science (CS) degree or related field</li><li>Strong Python skills using Pandas & PySpark, developing software in Red Hat Linux (versions 3 - 5+)</li><li>Experience with Jupyter Notebooks</li><li>Experience with Machine Learning</li><li>Experience with AWS EMR</li></ul> Security clearance requirement: <ul><li>Candidates must possess an active TS/SCI with polygraph to be considered for this role.</li></ul> You Might Also Have: <ul><li>Experience with GHOSTMACHINE analytic development</li><li>Familiarity with Query Time Analytics and DX</li><li>Familiarity with Redshift</li><li>Familiarity with PostgreSQ</li></ul>At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today! Careers.leidos.com conmd At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: August 26, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $126,100.00 - $227,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Software Engineer (SWE-4)

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Are you ready for your next career challenge? Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with can't fail" missions. Leidos Defense is seeking a talented Senior Software Safety Engineer for our growing portfolio of Depart of Defense and NASA programs. This opportunity is for someone looking to grow their existing software safety experience to take on expanding levels of responsibility across many exciting programs. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. Leidos is well known for our people-oriented culture, positive work environment, technical excellence, and resilient business ethics. Individuals with previous software safety experience are preferred. Primary Responsibilities This position will assure the safety of various programs to a variety of defense and NASA software safety standards. <ul><li>Developing software safety plans and standards</li><li>Working with the customer system safety and software safety organizations</li><li>Working with system safety to analyze systems for hazards</li><li>Developing software safety requirements, ensuring the software safety requirements are implemented and tested in the software systems</li><li>Working with suppliers to ensure supplier products and processes meet program software safety standards</li><li>Generating software safety assessment reports</li></ul>Basic Qualifications<ul><li>Must possess at least a Bachelor's degree in Software Engineering, Computer Science, Computer Engineering, Electrical Engineering, Aeronautical Engineering, Mathematics, or equivalent technical degree.</li><li>Must have 10+ years of relevant technical experience with a BS degree or 7+ years of experience with a MS degree.</li><li>Must demonstrate basic competency in real-time safety or mission critical software systems development using languages such as C, C++, or Ada.</li><li>Proven experience with software safety standards including NASA Standards NASA-STD-8739.8B, NPR 7150.2D, NASA-HDBK-4008, MIL-STD-882E, AMCOM-385-17, MIL_HDK-516C, RTCA DO-178C, or ISO 26262.</li><li>Software safety experience on DoD and NASA programs is preferred. Software safety experience in civil aviation, nuclear, automotive, or medical industries will be considered.</li><li>Strong analytical skills along with a personal drive for details and quality workmanship are a must.</li><li>Must possess an aptitude for the technical skills required for software safety including understanding systems and the results of potential system failures.</li><li>Must demonstrate familiarity with Microsoft Office (Outlook, Word, Excel, and PowerPoint).</li><li>Good communication skills and have proven leadership skills with the ability to affect outcomes including the ability to persuade on technical topics.</li><li>Self-motivated, paying attention to details, and working under deadlines are key elements of this position as well.</li><li>Candidate must be a resident of North Alabama area or be willing to relocate to the Huntsville/North Alabama area. </li><li>US Citizenship is required.</li><li>Candidate must possess or be able to obtain and maintain a secret clearance.</li></ul>Preferred Qualifications<ul><li>Previous software safety project leadership is preferred.</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 11, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $104,650.00 - $189,175.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Software Safety Engineer

Description Leidos' National Security Sector is seeking a dynamic, highly experienced, and motivated Senior Solution Architect to join our team and drive the development and capture of innovative solutions for our National Intelligence Customers. This role requires a deep understanding of the Intelligence Community landscape, particularly within the GEOINT domain, and the ability to translate complex technical requirements into compelling and innovative solutions. The Solution Architect will be responsible for developing winning technical proposals, leading solution design, and collaborating with cross-functional teams to ensure alignment with customer needs and company objectives Our program performance encompasses critical mission areas, including:<ul><li>End-to-end GEOINT Operations: Managing the full lifecycle of geospatial information, from collection and analysis to dissemination and use.</li><li>Advanced GEOINT Data Operations: Modernizing data access and analysis through integrated capabilities and advanced analytic environments.</li><li>Core IT System Sustainment: Providing comprehensive IT support for critical systems, ensuring reliability and security.</li><li>Geospatial Mission Support: Delivering IT solutions and expertise for diverse missions, including aeronautical, maritime, topographic, and geopolitical analysis.</li><li>Foundational Geospatial Data Management: Maintaining core geospatial data (names, places, boundaries, elevation, etc.).</li><li>Immersive Training Solutions: Developing augmented and virtual reality environments for mission planning and training.</li><li>Data Discovery Platforms: Maintaining and improving platforms for efficient geospatial information access.</li><li>Advanced Foundational GEOINT Missions: Advancing topographic, aeronautical, and maritime missions through innovative solutions.</li><li>Secure Access Management: Providing ICAM services and Zero Trust best practices for next-generation data access and information sharing.</li></ul>Primary Responsibilities:<ul><li>Lead the development of technical solutions for complex business captures, including proposal writing, architecture diagrams, solution narratives, and cost estimations.</li><li>Conduct thorough requirements analysis and translate customer needs into actionable technical specifications.</li><li>Collaborate with business development, engineering, and other stakeholders to develop winning capture strategies.</li><li>Provide technical leadership and guidance to capture teams.</li><li>Develop and present technical briefings and demonstrations to customers.</li><li>Stay abreast of emerging technologies and industry trends, particularly within the GEOINT and IC domains.</li><li>Contribute to the development of internal best practices and methodologies for solution architecture and capture management.</li><li>Maintain and leverage existing customer relationships while cultivating new ones.</li><li>Mentor and guide junior architects and engineers.</li><li>Support post-capture activities, including transition to implementation teams.</li></ul>Basic Qualifications:<ul><li>Masters degree and 15+ years of relevant experience in Computer Science, Engineering, Information Systems; or Bachelor's degree and 17+ years of relevant experience.</li><li>Recent experience should include solution architecture, capture execution, and technical leadership with a strong focus on the Intelligence Community in the GEOINT and Space domains.</li><li>Government contracting industry experience required with deep understanding of NGA, DIA, and other Intelligence Community customer needs and priorities.</li><li>Demonstrated success in solutioning for winning major government contracts.</li><li>Deep understanding of government contract regulations and acquisition processes.</li><li>Expertise in developing technical solutions for complex IT systems, including cloud-based architectures, data analytics platforms, and geospatial processing tools.</li><li>Expertise in developing and executing investment and IRAD strategies to maximize win rates on strategic captures</li><li>Strong understanding of software development methodologies and best practices.</li><li>Ability to work effectively in a fast-paced, collaborative environment.</li><li>Familiarity with SAFE Agile development methodologies.</li><li>Familiarity with GEOINT data and processing techniques.</li><li>Excellent communication, presentation, and interpersonal skills. Proven experience communicating complex technical concepts to both internal and external stakeholders.</li><li>US citizenship is required and must be willing to undergo and maintain a TS/SCI clearance with Polygraph.</li></ul>Preferred Qualifications:<ul><li>Active TS/SCI clearance with Polygraph</li><li>Experience with space systems development, including payload integration, ground systems, and mission operations.</li><li>Certifications in relevant technical domains (e.g., cloud architecture, cybersecurity).</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: August 20, 2025 At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Pay Range: Pay Range $148,850.00 - $269,075.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. #Remote

Senior Solution Architect

Description Senior Spanish Linguist Make a Global Impact - Join the Mission at Leidos Are you ready to apply your linguistic expertise to meaningful work that directly supports national security? At Leidos, we bring together innovative minds, cutting-edge technology, and a commitment to excellence to solve the world's toughest challenges. Join a team where your contributions truly matter, and where you'll have the resources and support to thrive professionally and personally. Leidos will sponsor and upgrade security clearances for eligible candidates. We are currently seeking a highly skilled Spanish Linguist to join our mission-driven team. This position requires a language professional capable of performing a wide range of complex linguistic tasks with precision and cultural insight. What You'll Do: You will provide professional-level linguistic support across translation, interpretation, transcription, and Gisting including but not limited to: Translation<ul><li>Accurately translate materials (both digital and hard copy) from Spanish into English and vice versa.</li><li>Capture subtle nuances, cultural references, and abstract concepts with contextual accuracy.</li><li>Capture geopolitical, regional, ethnic, and cultural references effectively.</li><li>Use terminology and expression consistent with subject matter norms in the target language.</li></ul>Interpretation<ul><li>Provide consecutive interpretation; simultaneous interpretation may occasionally be required.</li><li>Maintain high fidelity and fluency, demonstrating understanding of regional dialects and cultural context.</li></ul>Transcription<ul><li>Listen to audio or review internet-based content and transcribe accurately and efficiently.</li><li>Produce high-quality English-language reports based on audio/visual materials.</li><li>Demonstrate nuanced understanding of dialectical variations.</li></ul>Gisting and Summarization<ul><li>Identify and summarize key facts and abstract concepts accurately.</li><li>Prioritize and extract critical information from large datasets.</li><li>Use reference materials effectively to support quality output.</li></ul>What You Bring:<ul><li>No clearance required to apply.</li><li>Able to obtain a TS/SCI clearance with polygraph (must be fully adjudicated before work begins). Leidos will sponsor candidates after passing all the required language tests.</li><li>Bachelor's degree with 8 - 12 years of relevant experience OR Master's degree with 6-10 years of related experience. (Additional years of experience may be considered in lieu of a degree.)</li><li>Translation and/or interpretation degree</li><li>5+ years of recent professional translation, transcription, and interpretation experience</li><li>Must score at the Senior level or higher on the translation test</li><li>Must score at the Primary level or higher on the interpretation test</li><li>Strong interpretation skills is a MUST</li><li>Must be willing to TDY </li><li>The candidate must have demonstrated ability to work well in a team-based environment. Please screen the candidates for this ability.</li><li>Proficiency in Microsoft Office Suite and basic online research.</li><li>Strong written and verbal communication skills in both English and target languages.</li></ul>Preferred Qualifications:<ul><li>Experience supporting contingency operations as a deployed linguist.</li><li>Familiarity with the U.S. Intelligence Community, military operations, or law enforcement environments.</li><li>Ability to effectively brief and communicate findings to various stakeholders.</li><li>Proficiency in multiple languages is a strong asset.</li></ul>Why Leidos? At Leidos, we're not just offering a job - we're offering a mission. As part of the National Security Sector, you'll contribute to a safer world by enabling critical intelligence efforts with AI, machine learning, and digital modernization, Mission Software Systems . From safeguarding ports and borders to anticipating geopolitical instability years in advance, our linguists play an integral role in shaping global security. We value innovation, collaboration, and integrity - and we are looking for people who are driven to make a difference. Ready to Elevate Your Career? If you're a passionate linguist ready to support impactful work on a global scale, we encourage you to apply today. Your greatest work is ahead. At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that provide them with an opportunity to thrive, professionally and personally. For us, helping you grow your career is good business. We're excited to learn more about you, apply today! Original Posting: June 6, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $89,700.00 - $162,150.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Spanish Linguist

Description The Leidos Digital Modernization Sector is seeking a Senior Level Spectrum Manager to support Naval Information Forces (NAVIFOR). Navy Marine Corps Spectrum Center (NMSC) - an operational force under NAVIFOR - exercises management and control of electromagnetic spectrum (EMS) matters for the Department of the Navy (DoN). As delegated by the operational chain-of-command, NMSC serves as the representative of the DoN in Joint, Allied, National, and International meetings and organizes, coordinates, formulates, and implements policies and procedures to support the DoN's interest in EMS matters worldwide. In addition, NMSC provides subject matter expertise in the management and control of EMS for the DoN. provide the Navy Marine Corps Spectrum Center with spectrum management support. Primary responsibilities include, but are not limited to:<ul><li>Procurement, assign, and protect radio frequencies incident to the satisfaction of telecommunications requirements in support of the DoN. </li><li>Responsible for preparation of engineering data for frequency, telecommunications, and other communications-electronics matters for participation in meetings or subcommittees, National and International working groups Conferences and Conventions. </li><li>Analyze spectrum data of communication systems and, based upon knowledge of radio equipment and radio propagation, initiates and directs actions at the National or International level, as required, to eliminate conflicts in frequency assignments that arise as a result of the heavily congested radio frequency spectrum. </li><li>Coordinate with appropriate federal, non-federal, military and other government officials of the United States and foreign countries to carry out the above actions. </li><li>Formulates and directs studies of DoN radio frequency assignments with a view toward adjustment, sharing, or reassignment to ensure spectrum efficiency for authorized Navy use. </li><li>Attends working groups pertaining to frequency allocation plans, frequency assignment plans, and DoD policies affecting the communications-electronics elements of the military services. </li><li>Evaluates and analyzes Table of Frequency Allocations, channel plans, and planned changes to the Radio Regulations as prepared at National and International Telecommunications Conferences to consider the potential impact to the DoN communications systems and equipment.</li></ul>Basic Qualifications:<ul><li>Preferred BS/BA Degree or a graduate of the Interservice Radio Frequency Management School (IRFMS) or The Army Spectrum Management Course or Navy's Fleet Spectrum Manager Course (FSM). Experience may be substitutes in lieu of degree.</li><li>US Citizen with an active Secret clearance.</li><li>Must have at least 10 years of experience in spectrum management related to the duties listed above.</li></ul>NGEN At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 3, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $89,700.00 - $162,150.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Spectrum Manager

Description Job Description The Defense Systems Sector of Leidos is seeking a Senior Subcontracts Specialist to support our Aerospace Systems Business Area. We are seeking a motivated self-starter who can work independently and as part of a team in a dynamic environment. Under limited supervision, the Senior Subcontracts Specialist is responsible for activities that span the entire procurement cycle, including but not limited to negotiation of non-disclosure agreements (NDAs) and teaming agreements, preparation of solicitation packages to subcontractors, evaluation of subcontractor proposals, price analysis, negotiation of terms and conditions, subcontract administration, issue resolution, and closeout activities. Subcontracts will primarily be in support of federal programs. Primary Responsibilities<ul><li>Creates moderate to complex RFP solicitations in accordance with Government and Leidos requirements.</li><li>Negotiates NDA's and Teaming Agreements</li><li>Evaluates supplier proposal responses.</li><li>Conducts price and cost analysis.</li><li>Negotiates pricing and terms/conditions with subcontractors.</li><li>Administers subcontracts of various types and complexity.</li><li>Maintain detailed subcontract files in accordance with CPSR requirements. </li><li>Identifies and resolves moderate issues and problems on assigned subcontracts and make recommendations to management.</li><li>Performs subcontract close-out activities.</li><li>Analyze risks and identify risk mitigation.</li><li>Acts as primary interface between subcontractors and the programs being supported for all subcontracts related issues.</li><li>Regularly interacts with program management, contracts, project control, finance, business development and with customers as required.</li><li>Must have the interpersonal skills to deal effectively with subcontractor management regarding subcontract issues of varying degrees of complexity and work issues to resolution.</li></ul>Basic Qualification<ul><li>Requires a Bachelor's degree in Business Administration OR a related field with 4-8 years of prior relevant experience OR Master's degree with 2-6 years of prior relevant experience. Additional years of relevant experience will be accepted in lieu of degree.</li><li>Must be US Citizen.</li><li>Experience in subcontracting and related functions with particular emphasis on negotiation, price/cost analysis and subcontracts administration.</li><li>Successful track record of managing a variety of subcontract types, interfacing with internal customers, other functional support staff, and suppliers.</li><li>Proposal support experience.</li><li>Strong organizational, written, and oral communication skills.</li><li>Must be able to work independently, establish priorities, and meet deadlines with minimal supervision.</li><li>Ability to multi-task and work in a fast-paced environment.</li><li>Strong working knowledge of the FAR and DFARS.</li><li>Proficient in Microsoft Excel and Word</li><li>Demonstrated ability to develop effective relationships with internal stakeholders and externally with subcontractors to drive results</li></ul>Preferred Qualifications<ul><li>Demonstrated ability to build internal cross functional relationships</li><li>Working experience with automated purchasing system (preferably CostPoint or Deltek or iValua)</li><li>Active TS/SCI Clearance</li><li>CPSM, CPC or CFCM, ISM, APICS, PMI PMP, or other relevant professional certification(s)</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: August 19, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $72,150.00 - $130,425.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. #Remote

Senior Subcontracts Specialist

Description The Defense Systems Sector of Leidos is seeking a Senior Subcontracts Specialist to support our Aerospace Systems Business Area. We are seeking a motivated self-starter who can work independently and as part of a team in a dynamic environment. Under limited supervision, the Senior Subcontracts Specialist is responsible for activities that span the entire procurement cycle, including but not limited to negotiation of non-disclosure agreements (NDAs) and teaming agreements, preparation of solicitation packages to subcontractors, evaluation of subcontractor proposals, price analysis, negotiation of terms and conditions, subcontract administration, issue resolution, and closeout activities. Subcontracts will primarily be in support of federal programs. Primary Responsibilities<ul><li>Creates moderate to complex RFP solicitations in accordance with Government and Leidos requirements.</li><li>Negotiates NDA's and Teaming Agreements</li><li>Evaluates supplier proposal responses.</li><li>Conducts price and cost analysis.</li><li>Negotiates pricing and terms/conditions with subcontractors.</li><li>Administers subcontracts of various types and complexity.</li><li>Maintains detailed subcontract files in accordance with CPSR requirements. </li><li>Identifies and resolves moderate issues and problems on assigned subcontracts and make recommendations to management.</li><li>Performs subcontract close-out activities.</li><li>Analyze risks and identify risk mitigation.</li><li>Acts as primary interface between subcontractors and the programs being supported for all subcontracts related issues.</li><li>Regularly interacts with program management, contracts, project control, finance, business development and with customers as required.</li><li>Must have the interpersonal skills to deal effectively with subcontractor management regarding subcontract issues of varying degrees of complexity and work issues to resolution.</li></ul>Basic Qualification<ul><li>Requires a Bachelor's degree in Business Administration OR a related field with 4-8 years of prior relevant experience OR Master's degree with 2-6 years of prior relevant experience. Additional years of relevant experience will be accepted in lieu of degree.</li><li>Must be US Citizen.</li><li>Experience in subcontracting and related functions with particular emphasis on negotiation, price/cost analysis and subcontracts administration.</li><li>Successful track record of managing a variety of subcontract types, interfacing with internal customers, other functional support staff, and suppliers.</li><li>Proposal support experience.</li><li>Strong organizational, written, and oral communication skills.</li><li>Must be able to work independently, establish priorities, and meet deadlines with minimal supervision.</li><li>Ability to multi-task and work in a fast-paced environment.</li><li>Strong working knowledge of the FAR and DFARS.</li><li>Proficient in Microsoft Excel and Word</li><li>Demonstrated ability to develop effective relationships with internal stakeholders and externally with subcontractors to drive results</li></ul>Preferred Qualifications<ul><li>Demonstrated ability to build internal cross functional relationships</li><li>Working experience with automated purchasing system (preferably CostPoint or Deltek or iValua)</li><li>Active TS/SCI Clearance</li><li>CPSM, CPC or CFCM, ISM, APICS, PMI PMP, or other relevant professional certification(s)</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: August 18, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $72,150.00 - $130,425.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. #Remote

Description Looking for an opportunity to make an impact? We are in search of a Senior Substation Civil/Structural Engineer to join our diverse and fast-paced Orlando, FL organization. As a core team member, you will be interacting with other electric utility disciplines, playing a valuable part in leading and designing high voltage utility Civil Substation projects. Our recognition as an industry leader is confirmed by the latest national rankings by Engineering News-Record (ENR) ranking Leidos within the Top 10 T&D Firms, and Top 10 Power Firms. If this sounds like an environment where you can thrive, keep reading! Remote Capabilities Available for select candidates within the client servicing territories! Hybrid Work Schedule: (2-3) days a week in office! Additional Location Options: <ul><li>Denver, CO</li><li>Houston, TX</li><li>Minneapolis, MN</li><li>Chicago, IL</li><li>Remote (possible for candidate with the ideal mix of skills & experience)</li></ul>Begin your journey of a flourishing and meaningful career. Share your resume with us today! The Challenge: <ul><li>The candidate must have a strong educational background in design of steel structures, concrete structures, geotechnical engineering, and foundations.</li><li>Experience reviewing substation structure design, rigid bus design, foundation design, oil spill containment design, retaining walls, masonry control shelters, and fire-walls is required. </li><li>This position will consist of performing design reviews of the aforementioned civil/structural design components in support of the development of bid/construction packages for substation projects.</li><li>Candidate will primarily function as a senior engineer performing design reviews on a regular basis, as well as developing junior staff members, and contributing to bids and proposal development.</li><li>This role will also consist of taking a responsible engineer role on main client projects, overseeing the work and ensuring quality control on design packages.</li><li>Site-visits to client substation facilities are expected to be part of the work, along with occasional travel for client meetings and industry related events.</li><li>Experience in front-facing client operations such as lunch and learns, and kick-off meetings if preferred.</li><li>Candidate must comply with quality control and safe work practices and maintain compliance with project scope, schedule and budget expectations. </li><li>This position will be a senior member of a design team comprised of engineers, designers, and drafting technicians.</li></ul> What sets you apart: <ul><li>Bachelors of Science (BS) or Masters (MS) degree in Civil-Structural Engineering with 5+ years of related experience</li><li>PE Licensure (required)</li><li>Experience with Microsoft Word/Excel/PowerPoint & MATHCAD software</li><li>Experience with STAAD.Pro, RISA-3D, FAD Tools, SAFE, SAG10, and LPILE software</li><li>Familiarity with AutoCAD and MicroStation</li><li>Strong analytical and technical writing skills</li><li>Team player with ability to communicate with clients and staff</li><li>Willingness to travel, up to 10%</li></ul>PDSTLINE PowerDelivery Original Posting: July 11, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $72,150.00 - $130,425.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Senior Substation Civil Structural Engineer

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