• 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 Specialist Systems

    L3Harris (Springfield, VA)
    Senior Specialist, Systems Engineering - Information Technology Senior Systems Administrator (Active TS /SCI w/ CI Poly Required) Job Code: 26996 ... Description: L3Harris Technologies is seeking an experienced Information Technology Senior Systems Administrator or Mid-to-...of 10 years of prior related experience. + Active Top Secret /SCI w Poly Security Clearance. +… more
    L3Harris (09/04/25)
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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

    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 Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior ... within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The role… more
    Black Bear Technology Solutions, LLC (08/23/25)
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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 (07/22/25)
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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 (4790)** Location **Washington, DC**...Engineer - TS /SCI Required** with an active Top Secret clearance to join our Team!… more
    Three Saints Bay (10/03/25)
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  • System Administrator

    Leidos (Springfield, VA)
    **Description** Leidos is seeking a highly skilled and detail-oriented Senior Systems Administrator to lead the deployment, configuration, administration, ... and maintenance of complex enterprise systems and associated hardware. This role is critical to...policies and applicable regulatory requirements. **Basic Qualifications** + Active TS /SCI clearance with polygraph required. + Bachelor's degree with… more
    Leidos (10/07/25)
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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 (Reston, 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 (10/03/25)
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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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  • Senior Web Designer/Developer with…

    Zantech (Suitland, MD)
    …Clearance: + US Citizenship and the ability to obtain and maintain an active Top Secret /Sensitive Compartmented Information ( TS -SCI) or higher clearance, per ... your career. Come join our team! Zantech is looking for an upcoming talented Senior Web Designer/Developer with an Active TS -SCI Security Clearance to lead web… more
    Zantech (08/07/25)
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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 ... you're looking for. **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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