GCCS Systems Administrator at Leidos

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At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

**If this sounds like an environment where you can thrive, keep reading!The Mission

The Leidos Digital Modernization Sector is seeking an GCCS-J Systems Administrator in support of the Air Force National Capital (AFNCR) IT Services program.

Primary Tasks:

• Manage GCCS-J system; remove, relocate, test, troubleshoot, and repair GCCS-Hardware to include servers, workstations, and other associated equipment
• Perform software installation of GCCS-J systems, including installation, configuration, and troubleshooting of GCCS-J software to achieve fully operational system functionality
• Conducting system audits and pre-deployment system checkouts of GCCS-J in support of a readiness posture, resolves any system discrepancies
• Develop and maintain a GCCS-AF Contingency Plan, including backup and restoral procedures for local backups as well as backup and restores to the remote disaster recovery sites and support through the network of those sites.
• Travel up to six times a year, projected to be in CONUS, when directed by the leadership, to support COOP and GCCS-related conferences.
• Serve as part of the contingent Advanced Echelon (ADVON) team with 24/7 contingent ADVON standby support.

Basic Qualifications:

• Active Secret clearance with the ability to obtain and maintain a TS.
• Requires a current 8140 IAT Level II (Intermediate or Advanced) certificate: CompTIA Security+
• 5+ years of IT/network administration experience in DoD environments; 2-5 years of experience analyzing and providing GCCS-J system support
• Experience with including installation, configuration, and troubleshooting of GCCS-J software/systems operating on Windows 11 platforms, in a Domain Naming Service (DNS)and/or Active Directory environment
• Conducting system audits and pre-deployment system checkouts of GCCS-M in support of a readiness posture, resolving any system discrepancies
• Experienced with Windows DHCP, GPO, and PowerShell
• Strong experience with PowerShell scripting and remote management of workstations and servers
• Solid understanding of TCP/IP networking principles.
• Experienced on DoD patch Management and Vulnerability Remediation (Process and Tools)

Preferred Qualifications:

• Experience working at the Pentagon, Joint Base Andrews (JBA), and Joint Base Anacostia-Bolling (JBAB) Knowledge of Air Force, Pentagon, and/or AFNCR.
• Ability to work effectively with diverse teams (software developers, hardware engineers, network specialists, etc.)

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:

May 6, 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 $73,450.00 - $132,775.00

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.