• Junior Systems Administrator

    Amentum (Mclean, VA)
    **Amentum** is looking for a ** Junior Systems Administrator ** to join our team in **McLean, VA** ! As a Junior Systems Administrator , you will be ... **Responsibilities:** + Installing and configuring software updates, patching operating systems , managing system backups, and performing routine hardware… more
    Amentum (12/05/25)
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  • Junior System Administrator

    TekSynap (Fort Belvoir, VA)
    …certification and computing environment certifications required. **Overview** We are seeking a Junior Systems Administrator to support our Prime Contract ... support to resolve technical problems related to standalone operating systems and IT applications. + Perform system ...operating systems and IT applications. + Perform system administration functions on NE-MA standalone Windows and Redhat… more
    TekSynap (12/05/25)
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  • Cleared Junior System

    Actalent (Centreville, VA)
    Job Title: Systems Engineer Job Description We are seeking a Systems Engineer to join our team in support of two mission planning software packages, SitaWare and ... quality. + Be hands-on in managing, maintaining, and deploying systems , including performing server configuration, technical troubleshooting, and implementing new… more
    Actalent (12/20/25)
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  • Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    …as SCCM, PDQ, etc. * Provides expert level support and mentoring for Mid and Junior System Administrator personnel. * Develops and maintains installation and ... Sr. System Administrator Location: Reston, VA, US...Sr. System Administrator Location: Reston, VA, US Job ID: ATR...Job ID: ATR 17710 Job Description Job Title: Sr. System Administrator Location: Reston, VA - Onsite,… more
    Arena Technical Resources, LLC (12/05/25)
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  • Systems Administrator /Tester (SME)

    BAE Systems (Herndon, VA)
    …to improve our future and protect our freedom. We are seeking an experienced Systems Administrator SME with strong Quality Assurance (QA) testing skills to ... This role provides Tier I & II user and system support while ensuring the quality, stability, and security...be available based on position level and/or job specifics. ** Systems Administrator /Tester (SME)** **119483BR** EEO Career Site… more
    BAE Systems (12/19/25)
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  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    … Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ ... of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and maintaining… more
    Leidos (12/20/25)
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  • System Administrator

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    **Overview** Bowhead seeks a System Administrator to join our team supporting NIWC Atlantic. The System Administrator will work directly with the client ... cyber team * Mentor and provide technical guidance to junior system administrators and IT support staff....higher certification * 7 years of experience as a Systems Administrator or similar infrastructure engineering role.… more
    UIC Government Services and the Bowhead Family of Companies (11/09/25)
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  • Sccm/Mecm Systems Administrator

    Leidos (Alexandria, VA)
    … will support operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and ... **Description** Leidos is seeking an SCCM/MECM System Administrator to support a large...actions, document change requirements, and implement changes to production systems . + Oversee knowledge management for the team to… more
    Leidos (12/08/25)
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  • Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Systems Administrator to support our customer on the Nautical contract in the Arlington, VA ... CISSP, CISM, or equivalent advanced security certification + Red Hat Certified System Administrator (RHCSA) + Kubernetes certifications (CKA, CKAD) Physical… more
    UIC Government Services and the Bowhead Family of Companies (10/31/25)
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  • Senior System Administrator

    SAIC (Arlington, VA)
    **Description** SAIC is seeking a motivated and experienced ** System Administrator ** to join our team at the Pentagon in Arlington, VA. **This position is 100% ... capacity, and other server-related issues. + Provide mentorship and guidance to junior systems administrators and other IT staff. + Improve efficiencies… more
    SAIC (12/13/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... day-to-day operational maintenance, support, and upgrades for complex operating systems , workstations and servers. Coordinates, directs and performs complex software… more
    SAIC (11/19/25)
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  • Principal Contract Administrator

    BAE Systems (Sterling, VA)
    **Job Description** As the **Principal Contract Administrator ** you willperform research on complex contracting matters and provide sound business advice and counsel ... goals and objectives to include providing guidance and mentorship to more junior staff. **Required Education, Experience, & Skills** + Bachelor s Degree and… more
    BAE Systems (10/15/25)
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  • Mission Support Administrator - Full…

    Patriot Group International, Inc (Chantilly, VA)
    Mission Support Administrator - Full Performance Position Type: Full-Time, Exempt Work Location: Chantilly, VA; McLean, VA Clearance: TS/SCI with polygraph Shift: ... perspective. We are looking to hire a Mission Support Administrator - Full Performance to join our team in...supervision. MSAs at this level also train and mentor junior contractors, demonstrating a high degree of adaptability, judgment,… more
    Patriot Group International, Inc (12/17/25)
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  • Senior ServiceNow Administrator

    CACI International (Arlington, VA)
    …and problem-solving skills supporting mission-critical environments. _Desired:_ * ServiceNow Certified System Administrator (CSA) - required or must be obtained ... Senior ServiceNow Administrator Job Category: Information Technology Time Type: Full...and features aligned with mission objectives. * Maintain comprehensive system documentation, SOPs, and configuration baselines. * Ensure platform… more
    CACI International (12/02/25)
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  • Cyber Security Administrator III

    Virtual Service Operations (Arlington, VA)
    …with an active TS/SCI clearance to lead implementation and management of operating systems and cyber policies, resolving system outages and managing resource ... Cyber Security Administrator III * Arlington, VA (http://maps.google.com/maps?q=Arlington+VA+USA) Description Are you looking to take the next steps in your career… more
    Virtual Service Operations (12/11/25)
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  • PostgreSQL Database Administrator

    SAIC (Ashburn, VA)
    …skilled and experienced Database Subject Matter Expert (SME) with strong Database Administrator (DBA) capabilities to join our team. The ideal candidate will ... Continuous Integration/Continuous Deployment (CI/CD) processes for database updates. + ** System Health and Troubleshooting:** + Proactively monitor database health… more
    SAIC (12/10/25)
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  • Subcontract Administrator (TS/SCI with CI…

    Fluor (Reston, VA)
    …subcontracts on a Fluor project. This position provides guidance to junior subcontract administrators on Fluor processes and practices. * Negotiate subcontract ... or department * Participate in taskforce activities, as required * Use reference systems to record and maintain project subcontract data * Perform all other duties… more
    Fluor (10/07/25)
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  • Junior Helpdesk Support Services Specialist

    Chenega Corporation (Fort Belvoir, VA)
    …+ Utilize ESX VMware in load/capacity analysis, trend monitoring, resource utilization, systems analysis, automated systems design, system development cycles ... Junior Helpdesk Support Services Specialist Ft. Belvoir, VA...DoD security requirements. + Troubleshoot end users' enterprise email system configurations. + Respond to all customer trouble requests… more
    Chenega Corporation (12/01/25)
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  • Junior ServiceNow Developer

    CACI International (Chantilly, VA)
    …and creating documentation.** ITIL4 certification** ServiceNow developer certification, preferably Certified System Administrator (CSA)** - ** ** **What You Can ... Junior ServiceNow Developer Job Category: Information Technology Time...* **The Opportunity:** **CACI is seeking a highly motivated Junior ServiceNow Developer that has over 3 years' experience… more
    CACI International (12/11/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    …and policy changes. + Previous experience operating as a SCI/SAP ISSO, ISSE, System Administrator , or ISSM. + Strong analytical and problem-solving skills, with ... + Lead the design and implementation of cybersecurity measures for classified systems , ensuring security is embedded throughout the system lifecycle. +… more
    The MITRE Corporation (12/18/25)
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