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Classifed Area Systems Administrator

Leidos

Posted Thursday, July 17, 2025

Posting ID: R-00161280

Huntsville, AL
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Description

Are you a tech enthusiast with a passion for ensuring the seamless operation of classified environments?

Leidos Digital Modernization CIS Team is looking for a skilled System Administrator to join our team. In this role, you'll play a key part in designing, maintaining, and enhancing our architecture, ensuring compliance with information assurance requirements, and guaranteeing continuity of operations. Grow your career with us. At Leidos, we recognize the value of having a high-performing workforce and are committed to providing opportunities for employees by encouraging career growth and movement across the enterprise. We view career development as a partnership between employees, managers, and the company with a focus on building skills and experiences through internal mobility. To support career development, we offer a variety of resources in addition to training and educational opportunities within an inclusive environment.

Location: Work will be performed on site in Huntsville, AL.

What We Value:
We're not just looking for technical expertise; we value a positive attitude, adaptability to changing priorities, and a commitment to getting the job done. Our ideal candidate is a reliable troubleshooter, adept at handling multiple priorities with excellent coping skills. Whether working independently or collaboratively, you're self-managed and customer focused.

Primary Responsibilities:
  • Set up and maintain Windows servers, desktops, and network devices; bonus points for Linux experience.
  • Contribute to system design, hardware/software implementation, and overall infrastructure support.
  • Embrace new technologies to meet evolving requirements.
  • Document system configurations and baselines.
  • Provide backup and recovery services while managing file systems and disk space.
  • Utilize desktop and server virtualization within Hyper-V, VMWare vSphere and ESXI.
  • Handle ticket load and prioritization of daily on-site support and troubleshooting.
  • Work on multiple projects, either as a team member or occasionally leading a project.
  • Manage user accounts and access control in a domain or stand-alone environment.
  • Ensure the proper marking, handling, and storage of classified materials.
  • Troubleshoot and repair Windows operating system issues on server and workstations.
Basic Qualifications:
  • Bachelor's Degree and 4+ years' relevant experience; equivalent work experience may be considered in lieu of degree.
  • Minimum of 3+ years of direct System Administrator experience.
  • Active Secret clearance and ability to obtain Top-Secret clearance.
  • DoD Directive 8570 / 8140 Information Assurance Technical (IAT) Level II certification. (Security+ CE, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP)
  • Strong written and verbal communication skills.
  • Ability to interface effectively with security agencies, customers, and management.
  • Manage multiple networks in a dynamic, demanding environment.
  • Familiarity with Risk Management Framework requirements for Windows and Linux systems.
Preferred Qualifications:
  • Previous experience in a classified Collateral environment / SAP / SCI /.
  • System Administrator experience in a similarly sized organization.
  • Understanding of network concepts, Type 1 encryption devices (e.g., TACLANE), and cybersecurity tools.
  • Knowledge of securely configuring network equipment (switches and firewalls).
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 $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.
The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
On-Site
Salesforce Admin
Salesforce Developer
Customer Service
Operations
Cyber Security
Risk Management Framework
Prioritization
Windows Servers
Linux
Verbal Communication Skills
Firewall
Network Switches
Access Controls
Systems Design
SAP Applications
File Systems
Information Assurance
Top Secret-Sensitive Compartmented Information (TS/SCI Clearance)
Networking Hardware
VMware VSphere
Adaptability
Positivity
Market Data
Equities
Encryption
Product Software Implementation Method
User Accounts
IAT Level II Certification
GIAC Certifications
GIAC Security Essentials Certification (GSEC)
CompTIA Cybersecurity Analyst (CySA+)
Secret Clearance
Systems Security Certified Practitioner
CompTIA Security+ CE
GIAC Global Industrial Cyber Security Professional
Cisco Certified Network Associate Security (CCNA Security)
Hyper-V
Server Virtualization

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