• Applied Research Associates, Inc. (Herndon, VA)
    …network policies ** Senior DevOps Engineer Preferred Qualifications:** + An active TS /SCI with CI Poly security clearance + OpenShift Certified Administrator ... **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift...clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.**… more
    DirectEmployers Association (09/11/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... expertise, initiative, and experience supporting a mix of network and systems engineering and administration tasks. Key Responsibilities: Network Design &… more
    DirectEmployers Association (09/30/25)
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  • Senior Systems Administrator

    V2X (Springfield, VA)
    …responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS /SCI clearance to support our government ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports… more
    V2X (08/07/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Reston, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior Systems Administrator ** Transform technology into opportunity as ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...a Senior Systems Administrator with GDIT. A career in… more
    General Dynamics Information Technology (10/01/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …and Security (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator ** to join the team in ... Scope Polygraph + 5+ years of experience as a systems administrator + 5+ years of experience...eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship Required).… more
    The Boeing Company (10/08/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Quantico, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior Systems Administrator ** with GDIT. A career in ... criminal, terrorism, sabotage, espionage and subversive activities. **HOW OUR SENIOR SYSTEMS ADMINISTRATOR WILL MAKE...ServiceNow. **WHAT YOU'LL NEED:** + **Security Clearance Level:** Active Top Secret clearance (Must be TS more
    General Dynamics Information Technology (08/09/25)
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  • Senior Systems Administrator

    SAIC (Arlington, VA)
    **Description** SAIC is seeking a motivated, career and customer-oriented ** Senior Systems Administrator ** to join our team in Arlington, VA, supporting the ... years of experience. **Clearance and certification requirements:** + Active Top Secret clearance; ability to obtain a TS /SCI required to maintain employment.… more
    SAIC (09/26/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …Division (IPSD), part of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our ... Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with the ability to obtain SCI, as well as a Polygraph.… more
    Leidos (10/10/25)
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  • Senior Linux Systems

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become ... to drive impactful solutions in support of critical government missions. As a ** Senior Linux Systems Administrator ,** you will help maintain and… more
    ManTech (08/30/25)
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  • Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests to… more
    ManTech (08/20/25)
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  • Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests to… more
    ManTech (08/20/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …that provides attribute data via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS /SCI with Polygraph + BS degree and ... **Description** Leidos is seeking a System Administrator for a technical development program supporting the...+ Must be an expert in using Linux-based operating systems + Must have strong Bash skills + Must… more
    Leidos (10/10/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... while supporting a small team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within the core shift range of… more
    Leidos (07/29/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …part in improving how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure today is safe and ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (09/30/25)
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  • Azure Cloud Solution Architect - CTJ - Top

    Microsoft Corporation (Arlington, VA)
    …security screenings: + The successful candidate must have an active US Government Top Secret Security Clearance. Ability to meet Microsoft, customer and/or ... helping enterprise customers accelerate their digital transformation. In this senior , customer-facing role, you'll lead strategic technical engagements, advise… more
    Microsoft Corporation (10/16/25)
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  • Senior VMware Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    Senior VMWare Administrator ** must have: + **Security Clearance Level:** Active Secret clearance (Must be TS /SCI eligible) + **Required Experience:** + 8+ ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (10/08/25)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …RQ208383 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... of related experience **US Citizenship Required:** Yes **Job Description:** **SharePoint Administrator Expert (SME) - TS /SCI required** Make meaningful… more
    General Dynamics Information Technology (10/07/25)
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  • TS /SCI Sr SharePoint Administrator

    Insight Global (Mount Vernon, VA)
    Job Description Insight Global is looking for a SharePoint Administrator SME to support one of our large federal clients on a long-term DoD contract. This person ... will need to possess a TS /SCI DoD clearance and work in person on customer...are not limited to: * Provides Microsoft SharePoint 2019 administrator support for a large customer within the DoD… more
    Insight Global (10/16/25)
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  • Network Systems Engineer - TS /SCI…

    Parsons Corporation (Mclean, VA)
    …to learning and applying new technologies. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this ... what's possible. **Job Description:** Parsons is looking for an amazingly talented **Network Systems Engineer** to join our team! In this role, you will get to… more
    Parsons Corporation (09/09/25)
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  • Network Operations Center Technician - TS

    TEKsystems (Reston, VA)
    … II functions and services in support of the agency and customers on Unclassified, Secret , and Top Secret networks. The candidate will monitor, manage, ... ts /sci, remedy ticketing system, customer service, active directory Top Skills Details Noc,Network operations center,Tcp/ip,Monitoring tools,dns,dhcp, ts /sci,remedy… more
    TEKsystems (10/14/25)
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