GCCS Systems Administrator
$92.3k - $166.85kLeidos
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 MissionThe 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, 2026For 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 $92,300.00 - $166,850.00The 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.SummaryLocation: Arlington, VAType: Full time
- ..., Federal and State Government Agencies. Learn More About ProSidian Consulting at DescriptionProSidian Seeks a Energy Data Systems Administrator | Evaluation Support [DOEOP045050] - DPLH Est.: 665.6 Hrs. ST | 0 Hrs. OT on a Exempt 1099 Contract: No Overtime Pay Contract...SuggestedFull timeContract workTemporary workFor contractorsH1bWork at officeFlexible hours
- ...Senior Engineer provides senior-level engineering and administration support for Red Hat/Linux-based systems. The position supports monitoring, management, and... ...Linux-based monitoring applications supporting the GCCS-J Management Center monitoring infrastructure....SuggestedFull timeContract workDay shift
$104k - $166k
ResponsibilitiesPeraton is seeking a motivated and driven Systems Administrator to join our dynamic team.Peraton has served as the prime contractor for this program since its inception in the 1980's. We provide high-level government leaders with reliable secure voice, video...SuggestedContract workFor contractorsWorldwideShift work- ...edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Systems Administrator to be part of our Security team and based out of our Arlington, VA location.The Systems...SuggestedFull timeWork at officeImmediate start
$120.8k - $265.8k
Job Title: Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI... ...origin, disability, status as a protected veteran, or any other protected characteristic.Department:Infrastructure/System AdministrationSuggestedContract workWork experience placementFlexible hours- Maintains smooth operation of multi-user computer systems, including coordination with network engineers. Sets up administrator and service accounts, maintains system documentation, tunes system performance, installs system-wide software, and allocates mass storage space...Work experience placement
$125k - $175k
Job DescriptionECS is seeking an experienced Systems Administrator to work remotely providing operations management for the work performed under this contract for NIH NIAID Enabling and Advancing Technologies (NEAT). All other tasks are intended to facilitate the implementation...Contract workRemote work- ...capabilities in AI/ML & Decision Analytics, Modeling and Simulation, and Future Force Assessments.SPA has a need for Systems & Infrastructure Administrators to operate, maintain, and improve the environments that host APACS and Foreign Clearance Program‑related...Flexible hours
- ...Fort Meade, MDClearance Required: Top Secret/SCI with Active Full Scope PolygraphWe are seeking an experienced Linux-focused System Administrator (Level 2) to support a mission-critical program within the Intelligence Community at Fort Meade, MD. This is an on-site...Temporary work
$120k - $135k
Job DescriptionEverforth ECS is seeking a Senior Systems Administrator (Top Secret Cleared)to work in our Washington, DC office. Please Note: This position is contingent upon contract award.We are seeking a cleared System Administrator to support secure system administration...Contract workWork at office$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver technical solutions within the highest levels of the federal government by designing, implementing, administering, and supporting...Full timeLocal area- ...positioning us as one of a handful of elite companies to receive the highest form of third-party validation. are seeking a Systems Administrator who will be responsible for supporting and maintaining enterprise IT systems within a Department of Homeland Security (DHS)...Full timeContract work
$120k - $165k
Job DescriptionECS is seeking an experienced Sr. System Administrator to work remotely providing scientific computing support for the work performed under this contract for NIH NIAID Enabling and Advancing Technologies (NEAT). This engagement supports the Scientific Computing...Contract workRemote work- Responsible for server operations inclusive of hardware, operating system (OS), and utilities on the servers.Has expertise in Red Hat... ...TrustExperience Required: 10 years’ experience in Systems Administration for software development projects utilizing Agile principlesEducation...
$123k - $136k
Job DescriptionEverforth ECS Federal is seeking a Senior Systems Administrator to support a mission-focused federal IT program in Washington DC.Please Note: This position is contingent upon contract award.Salary Range: $123,000 - $136,000Join Everforth ECS Federal to keep...Contract work$73.45k - $132.78k
...If this sounds like a mission you want to be a part of, keep reading! The Digital Sector of Leidos is seeking a Data Center System Administrator to support data center operations. The System Administrator will rack and stack equipment, support upgrades and...Full timeTemporary workWork at officeRemote work- ...Kaiva Tech, LLC is seeking a Systems Engineer/Administrator in Arlington, VA Clearance : Secret Location : 100% Onsite Position Overview : As a Systems Engineer/Administrator, you will be responsible for ensuring the secure and efficient operation of...
- ...PlanIT Group is seeking a System Administrator/Scripting Engineer to support our Federal customer in the Washington, DC area. The ideal candidate will have expertise in command line scripting (PowerShell), Windows Server, Active Directory, SSO (Single Sign-On), ADFS...Weekend work
- ...clearance with a Full Scope (FS) Polygraph. No exceptions. About System High System High Corporation delivers advanced... .... We are seeking an Information Technology (IT) Systems Administrator to join our team and support mission-critical programs through...Contract workImmediate start
- ...IT Systems Administrator As an IT Systems Administrator, you will be responsible for the administration, configuration and support of our systems, networks and software. Responsibilities Setting up and configuring new instances of Linux and Windows servers....Work at office
$100k
...System Administrator Arlington, VA Pay From: $100,000 per year Must: Experienced System Administrator 5+ years of relevant experience in application development, systems administration, or enterprise system support environments Active Top Secret/SCI clearance required...Relocation$110k - $115k
Back Systems Administrator Cloud/Infrastructure Washington , DC Jul 21, 2026 Systems Administrator Washington, DC / Onsite U.S. Citizenship required Blu Omega is seeking a Systems Administrator to support a federal program focused on enterprise IT support for the Congressional...Temporary workWork at office- ...(NFF) has been engineering the backbone of mission-critical systems for government and enterprise clients. With headquarters in Washington... ...minimal downtime and data loss.• Virtualization and Server Administration: Administer VMware vSphere and Windows Server environments,...Contract workWork at officeImmediate startFlexible hours
- DescriptionSAIC has an opening for a ServiceNow Systems Administrator in Arlington, VA. SAIC is recognized as an IT leader in the intelligence and law enforcement spaces. This exciting opportunity will be supporting the United States Marshals Services unique mission needs...
$117.45k - $169.65k
...Senior Relativity Senior Systems Administrator Senior Relativity Senior Systems Administrator 3 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. CGS Federal (Contact Government Services) provided pay range This range...Full timeWork at officeFlexible hours- ...On Site Role - 4 Days a week "In Office" Overview Our client, a prestigious investment firm, is seeking a System Administrator / IT Support Engineer to join their growing technology team. This is a highly visible, hands‑on role supporting executives and employees in a...Work at officeRemote work
- ...Position Overview JDEIS databases and systems must stay current, backed up, and available to support doctrine and education work. The Senior Systems Administrator provides database and systems administration across JDEIS applications, including backups after major updates...Temporary workFlexible hours
- ...enablers of life cycle sustainment efforts that will keep our weapon system ready to defend the skies for decades to come. Significant... ...-based agreements. Knowledge of DoD budget processes: administrative relationships within the USAF, USN and DoD; and administrative...Full timeTemporary workWork at officeRelocation packageAfternoon shift
$77.8k - $121.5k
...parental rights. Review our Statement of Faith to ensure we’re a fit for you. Locations: Washington, D.C. Team Overview As the Systems Administrator, you will be responsible for installing, configuring, maintaining, and ensuring the reliable operation of the organization’s...Permanent employmentTemporary workWork at office- ...Overview SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Systems Administrator to support our customer on the Nautical contract in the Arlington, VA area. The successful candidate will be responsible for the administration, maintenance, and optimization of cloud infrastructure...Contract work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to GCCS Systems Administrator. Be the first to apply!
- system admin Arlington, VA
- application system administrator Arlington, VA
- computer systems administrator Arlington, VA
- microsoft systems administrator Arlington, VA
- remote systems administrator Arlington, VA
- systems administrator Arlington, VA
- server administrator Arlington, VA
- enterprise administrator Arlington, VA
- IT infrastructure administrator Arlington, VA
- IT administrator Arlington, VA

