• Senior Tier III

    General Dynamics Information Technology (Fort Meade, MD)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to ... your technical expertise along with a drive for innovation to GDIT. The Senior Tier III Administrator must have:** **Education:** **Bachelor's Degree in… more
    General Dynamics Information Technology (12/11/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job Category: Information...users in accessing and using IT systems + Provide Tier 1 (Help Desk) and Tier 2 ... * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide support for...of hire (Cyber Workforce Improvement Program- Information Assurance Technical III ) + 15 years experience as a SA in… more
    CACI International (12/02/25)
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  • Sr. System Administrator - VDI

    Leidos (Odenton, MD)
    …onboarding and standup of new enclaves and environments as needed. + Interacts with Tier III support and evaluates vendor products. + Develops and monitors ... **Description** The Defense group at Leidos has a career opening for a System Administrator on a DISA contract. This role is primarily on the customer site at Ft… more
    Leidos (10/21/25)
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  • Infrastructure Operations Analyst

    ASM Research, An Accenture Federal Services Company (Germantown, MD)
    …+ Configure and support calendar sharing, shared mailboxes, and resource mailboxes. + Provide Tier II/ Tier III support for M365-related incidents and service ... The M365 Operations Administrator supports the deployment, administration, and sustainment of...Access, MFA, and identity protection configurations under guidance from senior staff and cybersecurity policies. + Assist in managing… more
    ASM Research, An Accenture Federal Services Company (11/13/25)
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