• Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …certification(s) to achieve DoD 8570.01-M Information Assurance Technical (IAT) Level II (CompTIA Security + ce) and additional Computing Environment (CE) ... **Skills:** Critical Systems,Enterprise Systems,Software Updates,System Administration,Technical Issues **Certifications:** CompTIA Security + CE | CompTIA - CompTIA, Red Hat Certified… more
    General Dynamics Information Technology (10/25/25)
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  • Principal Systems Administrator

    ManTech (Chantilly, VA)
    …COTS/custom solutions. + Familiarity with Agile and DevOps methodologies. + IAT Level II certification (GSEC, Security +, SSCP, or CCNA- Security ) required. ... MANTECH is seeking a talented Principal Systems Administrator to join our sustainment team in Chantilly, VA. This role supports a mission-critical enterprise… more
    ManTech (11/21/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    SIPRNet Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of ... environment at CACI where your contributions directly influence national security . + Engage in challenging and impactful work that...scan results from ACA]. + Remediate CAT I/ CAT II / CAT III findings associated with scans of network… more
    CACI International (11/07/25)
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  • Sr. SQL Database Administrator (DBA)

    Leidos (Fort Belvoir, VA)
    …and solutions. + Candidate must, at a minimum, meet DoD 8570.11- IAT Level II certification requirements (currently Security + CE, CCNA- Security , GSEC, or ... **Description** Leidos is seeking a **Sr. SQL Database Administrator (DBA) in Fort Belvoir, VA** to partner on a large enterprise IT contract for the DOD. The DBA… more
    Leidos (10/30/25)
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  • Network Operations Center (NOC)…

    Leidos (Arlington, VA)
    …of experience. Add'l experience may be considered in lieu of degree. + IAT Level II Baseline Certification (eg CCNA Security , CySA+, GICSP, GSEC, Security + ... within Leidos' Defense Group is seeking a **Network Operations Center (NOC) Administrator ** to provide coverage monitor tools and availability of the Compartmented… more
    Leidos (10/03/25)
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  • System Administrator - Active Secret…

    ENS Solutions (Norfolk, VA)
    …Strong documentation and audit readiness skills. + Must hold a DoD 8570 IAT Level II certification (eg, Security + CE). + Familiarity with tools such as STIG ... This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an… more
    ENS Solutions (09/27/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare Analysis and Digital ... candidate will establish and implement solutions that are within Government security guidelines and maintain network infrastructure and processes that ensure network… more
    SimIS Inc. (11/06/25)
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  • Senior Windows Administrator

    TekSynap (Radford, VA)
    …Monitor and tune system performance; perform system hardening; report on security and operational posture. + Lead software/hardware integrations and recommend ... **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of task automation using PowerShell. +… more
    TekSynap (10/25/25)
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  • Senior Citrix Administrator

    TekSynap (Radford, VA)
    …+ Monitor, tune, and harden systems to ensure optimal performance and security posture. + Track system performance metrics, generate utilization reports, and ... **Experience** + Five (5) years of experience as a Windows Systems Administrator or Engineer, with specific expertise in Citrix technologies (XenApp, NetScaler… more
    TekSynap (10/25/25)
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  • SQL Server Database Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …for backups, performance tuning, and database health monitoring. + DoD 8570/8140 IAT Level II compliant (eg, Security + CE) required prior to start date + ... into opportunity. And our work depends on a SQL Server Database Administrator joining our team to support Government activities at Chantilly, VA. **Responsibilities… more
    General Dynamics Information Technology (10/04/25)
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