Leidos is seeking a Network & Computer Systems Administrator to join our team at March Air Reserve Base, CA. In this mission-critical role, you’ll provide direct support to the 701st Combat Operations Squadron, ensuring the reliability, security, and performance of advanced systems that drive Air Operations Center (AOC) missions.
This position offers the opportunity to work on cutting-edge C5ISRO systems that integrate with the AOC Weapon System, delivering engineering expertise, technical services, and operational support. You’ll play a key role in maintaining system readiness, monitoring project milestones, and briefing program managers and client leadership on progress.
🔧 Primary ResponsibilitiesAs a Systems Administrator, you will:
Manage and maintain enterprise-level environments including VMware, Citrix XenApp, Cisco UCS, ESXi, Microsoft Exchange, Red Hat Linux, and Windows servers/workstations
Perform installation, configuration, and upgrades of software and applications servers
Monitor system performance and troubleshoot across multi-server environments
Administer security controls, user access, and duty position management
Oversee Oracle/SQL database servers, ensuring backup, recovery, and redundancy in real-time environments
Generate SQL queries and Oracle reports to meet operational requirements
Customize GUIs and manage system parameters for C2Core Air and TBMCS
Ensure compliance with DoD Information Assurance standards and remediate non-compliant servers
Support AOC Configuration Management and contribute to the Change Review Board (CRB) process with documentation and research
Bachelor’s degree in Computer Science, Information Systems, Electrical/Electronic Engineering, or Mathematics
OR 3 years of relevant system administration experience in lieu of degree3–5 years of experience managing large-scale, multi-server environments with relational database applications
Experience with Microsoft Active Directory, Exchange, EPO, WSUS, SCCM
Proficiency with Microsoft SQL, Oracle, Sybase databases
Knowledge of Cisco IOS, Palo Alto Firewalls, Windows Server, UNIX (various distributions)
Familiarity with GCCS-J, C2Core Air, TBMCS systems
Current knowledge of DoD Information Security policies (COMPUSEC/INFOSEC) and tools such as Tenable ACAS
Understanding of military operations, organizational structures, and operational information requirements
Excellent communication skills, customer service orientation, and project management ability
Clearance: Active Secret required; TS/SCI preferred
Certification: DoD 8570.01 IAT Level II – Security+ CE
Self-driven, able to work independently with minimal supervision
Prior experience with C2 or Intel systems and system/database administration
Hands-on expertise with Red Hat Linux, Oracle Database Administration, SQL queries, PowerShell scripting, and multi-server troubleshooting
Experience in TCP/IP networking within distributed client environments
At Leidos, you’ll be part of a team that supports mission success at the highest levels of national defense. This role offers:
The chance to work with advanced technologies in a high-impact operational environment
Opportunities to grow your expertise in cybersecurity, systems engineering, and database administration
A collaborative culture that values innovation, integrity, and excellence
EIO2024
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:December 12, 2025For 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.
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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What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead.
