• 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 (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...(VDI Desktops). + Security Clearance Level: DOE Q or TS * Random Drug Screening* Required Skills and Abilities: Written… more
    General Dynamics Information Technology (09/16/25)
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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

    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 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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  • SAP NS2 Senior Cloud Engineer/…

    SAP (Herndon, VA)
    …for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph Required** **NS2 ... for this role. All internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate will be responsible for… more
    SAP (10/21/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... place to lead, innovate, and drive strategic change. We are seeking a Senior System Administrator / Integrator with proven experience delivering mission-critical… more
    General Dynamics Information Technology (10/25/25)
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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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  • Juniper Network Administrator - TS

    Three Saints Bay (Washington, DC)
    …application problems. + Perform any other related duties as assigned by the Senior Systems Administrator , Technology or other appropriate administrator ... **Juniper Network Administrator - TS /SCI Required (5171)** Location **Washington, DC**...**Position Requirements:** + **US Citizen.** + **Active Top - Secret Clearance with SCI eligibility.** + BS degree in… more
    Three Saints Bay (09/18/25)
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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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  • 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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  • Senior Network Administrator

    General Dynamics Information Technology (Washington, DC)
    …RQ207118 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Required:** Yes **Job Description:** Transform technology into opportunity a Network Computer Systems Administrator with GDIT. A career in enterprise IT means… more
    General Dynamics Information Technology (09/11/25)
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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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