• Exchange Systems Administrator SME

    Leidos (Alexandria, VA)
    …where you can thrive, keep reading!** **The Mission** Leidos is seeking an Exchange System Administrator to support a large enterprise IT contract for the DOD. ... service inquiries and problems. + Extensive experience working as a Tier 2 system administrator : familiar with using exchange/vault tools. + Extensive experience… more
    Leidos (07/23/25)
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  • Network Administrator III - Crystal City

    Epsilon, Inc (Arlington, VA)
    …Requirements:** + Must have an active Secret clearance with the ability to obtain a Top Secret with SCI eligibility or have an active Top Secret ... Administrator III** **Epsilon is now part of AMERICAN SYSTEMS !** We are pleased to announce Epsilon, Inc. has...without compromise and who view customer service as a top priority. **An average day:** As Network Administrator more
    Epsilon, Inc (09/06/25)
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  • Data Center System Administrator

    Leidos (Charlottesville, VA)
    …is a power failure, and provide general data center system administrator support. They will support hybrid cloud -hosting alternatives. This individual will ... where you can thrive, keep reading!_** The Data Center System Administrator will support data center operations....minimum, meet DoDM 8140.03 (previously DoD 8570) - IT System Admin Intermediate certification requirements ( Cloud +, GICSP,… more
    Leidos (09/18/25)
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  • DSS Systems Administrator

    General Dynamics Information Technology (Arlington, VA)
    …**Type of Requisition:** SCA **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** SCA **Skills:** ... experience **US Citizenship Required:** Yes **Job Description:** **Mission:** A DSS Systems Administrator is responsible for providing Desktop Support Services… more
    General Dynamics Information Technology (09/26/25)
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  • Senior Network Administrator

    BAE Systems (Quantico, VA)
    **Job Description** BAE Systems is offering an exciting opportunity to support an important and dynamic Department of Justice customer as a **Senior** **Network ... Administrator ** supporting a highly capable and diverse team driving...Skill, and Education:** The candidate must have an Active TS Security clearance and willing to undergo a Counter… more
    BAE Systems (09/09/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS /SCI Poly **This position is ... CONTINGENT upon contract award** The System Administrator (SysA) as part of the...teams for the development, operation, and maintenance of the SYSTEM . + Maintain server/ cloud /tools baselines, Develop clear… more
    Nightwing (09/26/25)
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  • Principal System Administrator

    RTX Corporation (Springfield, VA)
    …and provide access to tools and resources that enable this **Principal** ** System Administrator - Network Operations Center** employee to continuously improve ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Poly - Current At Raytheon, the foundation...a classified environment as a Network Operations Center (NOC) System Administrator . + This position is responsible… more
    RTX Corporation (09/07/25)
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  • Senior System Administrator

    ManTech (Chantilly, VA)
    …to join our team in **Chantilly, VA** . A qualified Senior Systems Administrator will support a secure Windows-based Information System and will assist and ... installation, operation, and maintenance of all current and future Information Systems . Duties and responsibilities involve the support and administration of Windows… more
    ManTech (09/01/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    **Description** We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is ... team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring services, and system more
    Leidos (07/18/25)
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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 ... team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within...duty rotation + Contribute technical insights to guide the system 's cloud hosting strategy + Develop monitoring… more
    Leidos (07/29/25)
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