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
$62k - $141k
IT Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in aerospace and national defense? You understand your customer’s environment and how to develop the right systems...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work- ..., 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
$78.6k - $160.2k
...and more. Join us to drive positive, lasting change that moves missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS. This...SuggestedFull timeLive inWork at officeLocal 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)...SuggestedFull timeContract work
$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...SuggestedFull timeLocal area- 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
- ...be responsible for maintaining compliance, securing operating systems, and executing patch management across Windows and Linux... ...Develop scripts using PowerShell, Perl, VBScript, or similar administrative languages.Collaborate with customers and technical teams to define...Full time
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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 AdministrationContract workWork experience placementFlexible hours- 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...
$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$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- ...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
- ...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...Full timeWork at officeImmediate start
$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
$80k - $95k
...Overview Edgewater Federal Solutions is currently seeking a detail-oriented IT System Administrator with Cyber Security experience to support our federal customer in the Washington DC area. The candidate will work with the government customer to support the review and...Contract workWork experience placementWork at officeLocal area1 day per week- ...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 servers and systems in...
$64.1k - $102.9k
...concerns regarding any recruiting communications or Kapitus’recruiting process in general should email ****@*****.*** As System Administrator I at Kapitus, you will be responsible for helping our company scale through the effective use of Microsoft 365 services....Temporary workFor contractorsWork experience placementRemote workFlexible hoursDay shift- ...improvements, we are steadfast in our journey toward a future that is both bright and transformative. The Position The Senior System Administrator provides Tier I/II/III systems administration and IT operations support within classified environments. This role delivers...RelocationDay shift
$85k - $95k
...Innovative, Secure, and Outcome-Based Solutions Job Summary: A Systems Administrator job in Arlington, VA (22204)is currently available through Belcan at one of our key federal governmentclients. The Systems Administrator handles Tier 1 and Tier 2 level support tickets...For contractorsLocal areaImmediate start$55k - $75k
We are seeking a motivated Systems Administrator to support and maintain our enterprise IT environment. This role is ideal for someone with solid foundational experience in Microsoft services, endpoint management, and hardware administration who is ready to broaden their...Full timeTemporary workFlexible hours- ...configuration, operation, and maintenance of computer hardware, software, and related infrastructure. Complete Description: The Master System Administrator is responsible for the effective provisioning, installation, and maintenance of computer hardware, software, and related...Contract work
- ...supporting mission success. Scope of Work The selected contractor will provide qualified personnel to perform the following: Monitor IT systems, infrastructure, and applications to detect operational issues. Respond to incidents and elevate complex problems when necessary....For contractorsShift work
- ...Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people...Full timeContract workFor contractorsWork at office
$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$98k - $163k
...Job Family Systems Engineering Travel Required Up to 10% Clearance Required Active Top Secret (TS) We are seeking a reliable and skilled Systems Administrator to support enterprise IT operations and mission‑critical systems within secure federal environments. This role...Temporary workFlexible hours- ...Position Summary The Systems Administrator is responsible for administering, maintaining, monitoring, and improving Red River's hybrid infrastructure environment. This role supports core business systems and technology platforms including Windows Server, Microsoft 365,...Work experience placementRemote work
- ...Senior Systems Administrator – Security Clearance Duration: Full time, salaried opportunity Government Security Clearance Requirements: Government security clearance required. TS/SCI. Must possess active clearance. Security+ certification required. Description : The Senior...Full time
$125k - $135k
...Overview Galapagos Federal Systems LLC is looking for an enthusiastic, well-qualified individual to fill the Systems Administrator position. This role offers the opportunity to work with a diverse and talented group of individuals committed to driving success. Job Summary...Full timeLocal areaFlexible hours- ...The System Administrator provides system administration for all systems and applications supported by security guidance, orders and directives, identifying and remediating vulnerabilities, implementing and testing security controls, assisting with software upgrades and...Temporary workFlexible hours
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