Systems & Network Administrator

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 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 Responsibilities

As 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
  
  

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
• Expertise in Microsoft Active Directory, Exchange, EPO, WSUS, SCCM
• Proficiency with Microsoft SQL, Oracle, Sybase databases
• Strong 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
  
  

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, PowerShell 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
  
  

EIO2024

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

November 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.