• System Administrator

    CACI International (Chantilly, VA)
    …+ Security+ Certification (IAT level 2 or higher) + Amazon Web Services (AWS) (C2S) systems administration . + Linux operating systems (eg Red Hat, Centos, ... to include web servers, database servers, and associated development systems (eg Team Foundation Server) + Maintains system...and competitive mix of benefits options is designed to support and protect employees and their families. At CACI,… more
    CACI International (08/15/25)
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  • Location Support Center Lead

    ManTech (Chantilly, VA)
    …operational environments, including ticketing systems , installations, desktop support , enterprise applications, access administration , and voice/video ... daily service requests, and direct oversight of Tier 1-2 support for mission systems and applications. **Responsibilities...for a position with ManTech through its online applicant system , please email us at ###@mantech.com and provide your… more
    ManTech (09/20/25)
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  • Information System Security Officer

    ManTech (Chantilly, VA)
    …work with a team across multiple technical areas to include security and systems administration . **Responsibilities include, but are not limited to:** * ... ISSO will help maintain the operational security posture of assigned information systems while collaborating closely with the Information System Security Manager… more
    ManTech (09/16/25)
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  • Cloud Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    …of degree requirement. Experience: + Minimum of 10 years of progressive experience in systems administration with at least 8 years focused on cloud technologies ... **Overview** CLOUD SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Cloud Systems Administrator to support our customer on the Nautical contract in the… more
    UIC Government Services and the Bowhead Family of Companies (08/02/25)
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  • Systems Development Engineer, Kuiper…

    Amazon (Arlington, VA)
    …business needs - Stay current with emerging technologies and industry trends in system administration and DevOps - Document processes, configurations, and ... system architectures - Mentor junior team members in system administration and DevOps practices - Participate...practices - Participate in on-call rotations to ensure 24/7 system availability and support A day in… more
    Amazon (09/10/25)
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  • Sccm/Mecm System Administrator

    Leidos (Alexandria, VA)
    …multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M) support in a ... **Description** Leidos is seeking an SCCM/MECM System Administrator to support a large...possess the following skills:_** + Experience with Tier 2 system administration and/or Tier 3 engineering of… more
    Leidos (09/12/25)
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  • ACAS Systems Administrator/ Information…

    CACI International (Norfolk, VA)
    …with vulnerability remediation and patch management + Validated experience in Windows/Linux system administration + Documented experience in Active Directory and ... Travel: Continental US * * * **The Opportunity** We're seeking an experienced Information Systems Security Engineer & ACAS System Administrator to join our NTCSS… more
    CACI International (09/25/25)
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  • Information System Security Officer,…

    Lockheed Martin (Herndon, VA)
    …DISA STIGs\. \- Prior Information System Security Engineer \(ISSE\) or System Administration experience\. \- Bachelor's degree from an accredited college in ... a highly inclusive culture Key Responsibilities of this role includes: \- Support day\-to\-day information system security operations including hardware and… more
    Lockheed Martin (08/08/25)
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  • Junior Mechanical Engineer

    Leidos (Chantilly, VA)
    … support the planning, design, and analysis of mechanical systems -primarily Heating, Ventilation, and Air Conditioning (HVAC)-for mission-critical operations in ... drawings and specifications using AutoCAD, Revit MEP, or similar design software. + Support mechanical system load calculations, energy modeling, and system … more
    Leidos (08/23/25)
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  • System Administrator - Active Secret…

    ENS Solutions (Norfolk, VA)
    …STIGs and system baselines. + Provide Tier 1 and Tier 2 system support for PKI-related service disruptions, certificate issues, and access control failures. ... across both SIPRNet and UNCLASS networks. Requirements + 3-5 years of experience in system administration , with specific focus on DoD IT environments. + Direct… more
    ENS Solutions (09/27/25)
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