Linux
Rhel7
Virsh
Libvirt
Freeipa
Equities
Templates
Automation
Scalability
Simulations
Market Data
PCI Express
Low Latency
Open VSwitch
Cyber Security
Virtualization
Data Management
Solution Design
Network Routing
Ancient History
Computer Science
Virtual Machines
Operating Systems
Training Delivery
Influencing Skills
Performance Tuning
Acceptance Testing
Hardware Platforms
Systems Engineering
Systems Integration
Information Systems
Kerberos (Protocol)
Software Engineering
Software Development
Computer Engineering
Network File Systems
System Administration
Network Virtualization
Distributed Data Store
Technical Documentation
Configuration Management
Red Hat Enterprise Linux
Cybersecurity Compliance
Infrastructure Automation
Verification And Validation
Standard Operating Procedure
Kernel-Based Virtual Machine
Python (Programming Language)
Influencing Without Authority
Graphics Processing Unit (GPU)
Troubleshooting (Problem Solving)
Virtual Local Area Network (VLAN)
Red Hat Certified Engineer (RHCE)
Field-Programmable Gate Array (FPGA)
Lightweight Directory Access Protocols
Internet Small Computer System Interface (ISCSI)
7 to 8 years
$87,100 - $157,450 / yr
Posted 46 days ago
Description:
Description
Leidos Defense is seeking a Senior Software Engineer to develop and support the virtualization of the AN/SQQ-89(V) Anti-Submarine (ASW) Training System by transitioning Tactical Insertion (TI) hardware-based solutions into a scalable, virtualized Linux platform for training. This role will design, implement, and sustain a high-performance virtualization environment utilizing Red Hat Enterprise Linux (RHEL), KVM, Open vSwitch (OVS), and hardware passthrough technologies to support complex Navy training and simulation workloads.
The ideal candidate should possess strong Linux systems engineering experience, expertise in virtualization and software automation, a deep understanding of low-level networking integration within mission-critical environments, and the ability to work within a complex Department of Defense (DoD) training and mission systems environment.
IMPACT: Works independently to achieve day-to-day objectives with significant impact on operational results. Responsible for SQQ 89 virtualization projects and complex ASW VOT maintenance/troubleshooting/repairs.
COMPLEXITY: Develops technical solutions that require collaboration with other internal experts, deep analyses and understanding of impact on customer training delivery. Develops solutions to technical problems and issues that may be unclear and require a deep-level of technical knowledge.
COMMUNICATION: Communicates with other project team members. Works to influence team members regarding solution design and processes.
KNOWLEDGE: Requires deep level understanding of principles and concepts of coding utilizing Red Hat Linux Enterprise (RHEL).
TYPICAL EDUCATION & EXPERIENCE: Typically requires BS degree with 4-8 years of prior relevant experience, or Master's Degree with 2-6 years prior relevant experience.
Primary Responsibilities
Original Posting:
June 9, 2026
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 $87,100.00 - $157,450.00
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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .
Securing Your Data
Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission .
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
Leidos Defense is seeking a Senior Software Engineer to develop and support the virtualization of the AN/SQQ-89(V) Anti-Submarine (ASW) Training System by transitioning Tactical Insertion (TI) hardware-based solutions into a scalable, virtualized Linux platform for training. This role will design, implement, and sustain a high-performance virtualization environment utilizing Red Hat Enterprise Linux (RHEL), KVM, Open vSwitch (OVS), and hardware passthrough technologies to support complex Navy training and simulation workloads.
The ideal candidate should possess strong Linux systems engineering experience, expertise in virtualization and software automation, a deep understanding of low-level networking integration within mission-critical environments, and the ability to work within a complex Department of Defense (DoD) training and mission systems environment.
IMPACT: Works independently to achieve day-to-day objectives with significant impact on operational results. Responsible for SQQ 89 virtualization projects and complex ASW VOT maintenance/troubleshooting/repairs.
COMPLEXITY: Develops technical solutions that require collaboration with other internal experts, deep analyses and understanding of impact on customer training delivery. Develops solutions to technical problems and issues that may be unclear and require a deep-level of technical knowledge.
COMMUNICATION: Communicates with other project team members. Works to influence team members regarding solution design and processes.
KNOWLEDGE: Requires deep level understanding of principles and concepts of coding utilizing Red Hat Linux Enterprise (RHEL).
TYPICAL EDUCATION & EXPERIENCE: Typically requires BS degree with 4-8 years of prior relevant experience, or Master's Degree with 2-6 years prior relevant experience.
Primary Responsibilities
- Design, deploy, and maintain virtualized training system environments supporting AN/SQQ-89(V)15 training capabilities.
- Migrate software and services from Tactical Insertion hardware platforms to virtualized infrastructures utilizing KVM, libvirt, virsh, and VirtIO technologies.
- Develop and maintain automated deployment and configuration management solutions using Ansible.
- Create and maintain Python-based utilities and scripts to support system administration, testing, monitoring, and data management activities.
- Build and maintain RHEL 7/8 system images, templates, and repositories.
- Troubleshoot virtualization, networking, storage, and operating system issues in lab and production environments.
- Support software integration, system verification, validation, and acceptance testing activities.
- Integrate physical and virtual network infrastructure supporting tactical training environments.
- Configure and maintain Open vSwitch environments supporting multi-network and high-throughput virtual machine communications.
- Support performance tuning and optimization of virtualized systems, networking, storage, and compute resources.
- Collaborate with software developers, system engineers, cybersecurity personnel, and training system stakeholders to ensure successful implementation and sustainment.
- Develop and maintain technical documentation including architecture diagrams, deployment guides, standard operating procedures, and automation documentation.
- Support cybersecurity compliance efforts, including STIG implementation, vulnerability remediation, and RMF activities.
- Participate in system modernization initiatives focused on increasing portability, scalability, and maintainability of training environments.
- Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, Information Systems, or related technical field.
- 7+ years of experience in Linux systems engineering, virtualization, software development, or platform engineering.
- Experience administrating Red Hat Enterprise Linux environments.
- Strong experience with KVM virtualization technologies, libvirt, and virsh.
- Experience implementing and troubleshooting Open vSwitch (OVS) deployments.
- Experience with hardware passthrough technologies including PCIe passthrough, VFIO, SR-IOV, and IOMMU configuration.
- Experience developing infrastructure automation using Ansible.
- Experience developing software and automation tools using Python
- Strong understanding of Linux network concepts including VLANs, bridges, routing, bonding, and virtual switching.
- Experience troubleshooting complex integration issues across hardware, operating systems, networking, and applications.
- Ability to obtain and maintain a DoD security clearance.
- Experience supporting the AN/SQQ-89(V)15 or AEGIS combat systems suite.
- Red Hat Certified Engineer (RHCE)
- Experience with high-performance networking and low-latency virtualized environments.
- Experience supporting GPU, FPGA, capture card, or specialized hardware passthrough to virtualized machines.
- Familiarity with distributed storage, NFS, iSCSI, and SAN technologies.
- Experience with FreeIPA, LDAP, Kerberos, and enterprise Linux identity management.
- Experience supporting RMF, STIG implementation, ACAS, and cybersecurity compliance initiatives.
- Active Secret or Top Secret clearance
Original Posting:
June 9, 2026
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 $87,100.00 - $157,450.00
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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .
Securing Your Data
Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission .
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
Posting ID: R-00185061