GCCS Systems Administrator

Leidos Holding$92K — $166K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree and 8+ years of relevant experience or Master's degree with 6+ years' experience; sufficient equivalent experience may substitute for degree.
  • Must be able to obtain a Secret security clearance (Top Secret preferred).
  • Current 8140 IAT Level II certification such as CompTIA Security+ or CISSP.
  • 5+ years IT/network admin experience in DoD environments, including 2-5 years supporting GCCS-J systems and 2 years in a leadership role.
  • Expertise in installing, configuring, and troubleshooting GCCS-J on Windows 11 within DNS and Active Directory environments.
  • Proven experience in conducting system audits and ensuring readiness postures for GCCS-M systems.
  • Advanced proficiency with Windows DHCP, GPO, PowerShell scripting, and TCP/IP networking principles.

Responsibilities

  • Lead and manage a three-person technical team in GCCS-J system administration.
  • Oversee software deployment and guide team in troubleshooting for system functionality.
  • Conduct system audits and ensure unit readiness through comprehensive pre-deployment checkouts.
  • Develop and implement the GCCS-AF Contingency Plan and manage disaster recovery operations.
  • Act as the senior technical representative during CONUS travel, briefing leadership and stakeholders.
  • Manage 24/7 operational standby rosters for the ADVON team, ensuring deployment readiness.

Benefits

  • Opportunities for professional development and growth.
  • Participation in high-profile national security initiatives.
  • Supportive team environment with a focus on innovation and disruption.
  • Potential for career advancement in a dynamic, fast-paced setting.
Full Job Description
The Mission
The Leidos Digital Modernization Sector is seeking a GCCS-J Systems Administrator in support of the Air Force National Capital (AFNCR) IT Services program.

Primary Responsibilities:
  • Lead, mentor, and manage a three-person technical team responsible for the end-to-end administration of the GCCS-J system. Direct operations involving lifecycle management, relocation, testing, and repair of GCCS hardware, including servers and workstations.
  • Direct software deployment operations for GCCS-J systems. Oversee complex software configurations and guide junior technicians through advanced troubleshooting to ensure fully operational system functionality.
  • Spearhead comprehensive system audits and pre-deployment checkouts of GCCS-J. Ensure unit readiness postures are maintained and serve as the final technical authority in resolving complex system discrepancies.
  • Author, implement, and govern the GCCS-AF Contingency Plan. Direct local and remote disaster recovery protocols, backups, and network restorations to ensure resilient Continuity of Operations (COOP).
  • Serve as the senior technical representative for the organization during CONUS travel (up to six times annually). Brief senior leadership and stakeholders at COOP and GCCS-related conferences.
  • Act as the senior technical lead for the contingent Advanced Echelon (ADVON) team, managing 24/7 operational standby rosters and ensuring immediate deployment readiness for the unit.


Basic Qualifications:
  • Bachelors degree and 8+ years of relevant experience or a Master's degree in information technology or related field of study with 6+ years' experience, additional years of applicable experience will be accepted in lieu of a degree.
  • Ability to obtain a Secret clearance prior to start date (Top Secret preferred).
  • Current 8140 IAT Level II (Intermediate or Advanced) certificate: CompTIA Security+ or CISSP.
  • 5+ years of IT/network administration experience in DoD environments. Includes 2-5 years analyzing and supporting GCCS-J systems, with a minimum of 2 years in a technical leadership, supervisory, or project lead capacity.
  • Expert-level experience directing the installation, configuration, and troubleshooting of GCCS-J systems on Windows 11 platforms within Domain Naming Service (DNS) and Active Directory environments.
  • Proven track record of leading system audits and pre-deployment checkouts of GCCS-M to support readiness postures and resolve enterprise-level system discrepancies.
  • Advanced proficiency with Windows DHCP, GPO, and PowerShell. Demonstrated ability to utilize PowerShell scripting for the remote management of workstations and servers. Solid understanding of TCP/IP networking principles.
  • Experienced in governing and executing DoD Patch Management and Vulnerability Remediation processes using enterprise tools.


Preferred Qualifications:
  • Proven experience operating and liaising with stakeholders within prominent national security environments, including the Pentagon, Joint Base Andrews (JBA), and Joint Base Anacostia-Bolling (JBAB). Deep operational knowledge of Air Force, Headquarters Air Force (HAF), and Air Force District of Washington (AFNCR) command structures and coordination protocols.
  • Demonstrated capability to lead, coordinate, and orchestrate diverse, cross-functional technical teams-including software developers, hardware engineers, and network specialists-to successfully execute complex mission requirements.

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:
July 22, 2026


Pay Range:
Pay Range $92,300.00 - $166,850.00

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.

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