Systems & Network Administrator Security Clearance

Position: Systems & Network Administrator with Security Clearance
R
- Description

🌟 Position Overview 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 C5

ISRO 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 Responsibilities As a Systems Administrator, you will:
* Manage and maintain enterprise-level environments including VMware, Citrix Xen App, 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 C2

Core 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 🎓 Basic Qualifications
* Bachelor’s degree in Computer Science, Information Systems, Electrical/Electronic Engineering, or Mathematics OR 3 years of relevant system administration experience in lieu of degree
* 3–5 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, C2

Core 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

⭐ Preferred Qualifications
* Prior experience with C2 or Intel systems and system/database administration
* Hands-on expertise with Red Hat Linux, Oracle Database Administration, SQL queries, Power Shell scripting, and multi-server troubleshooting
* Experience in TCP/IP networking within distributed client environments 🚀 Why Join Leidos? 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 EIO
2024 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, 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 $73,450.00 - $ The Leidos pay range for this job…