• Senior VMware Administrator…

    General Dynamics Information Technology (Quantico, VA)
    …with a drive for innovation to GDIT. Our ** Senior VMWare Administrator ** must have: + **Security Clearance Level:** Active Secret clearance (Must be ... Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior VMware Administrator ** at GDIT. Shape what's next for… more
    General Dynamics Information Technology (10/08/25)
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  • Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... a key role in the management, optimization, and troubleshooting of our VMware virtualized environment and Active Directory infrastructure, ensuring seamless and… more
    ManTech (12/19/25)
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  • Senior Enterprise Messaging…

    Dentons US LLP (Washington, DC)
    Senior Enterprise Messaging Administrator Chicago, IL, USSt. Louis, MO, USKansas City, MO, USWashington DC, DC, USDenver, CO, USAtlanta, GA, USDallas, TX, US Dec ... 12, 2025 ** Senior Enterprise Messaging Administrator ** Dentons US LLP...industry standards. + Administer and provide robust support for Active Directory, EntraID, DNS, and Microsoft Exchange, with a… more
    Dentons US LLP (12/13/25)
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  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    …take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and ... Joint base Andrews or The Pentagon and requires an active Secret clearance to start. **Primary Responsibilities:** + Full...Degree with 12+ years' experience as a Unix System Administrator - Operational experience with RHEL8 and RHEL9. Additional… more
    Leidos (12/20/25)
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  • Senior Systems Administrator

    Aston Carter (Dulles, VA)
    Job Title: Senior System Administrator Job Description The role requires visiting worksites to set up and manage networked IT infrastructure, including hardware, ... Cloud. Technologies used include Cisco and Meraki Networking, DNS/DHCP Configuration, Active Directory, and VMware vSphere. The position requires flexibility… more
    Aston Carter (12/17/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while you ... advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career...3+ years of related experience + Technical skills: Troubleshooting, Active Directory, Technical Support, Customer Service, MS Office, System… more
    General Dynamics Information Technology (12/18/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …improve our future and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system ... VMware Certified Professional (VCP) + RedHat Certified System Administrator /Engineer (RHCSA/RHCE) + Microsoft Certified: Windows Server Administration/Engineer +… more
    BAE Systems (12/09/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... Position Timelines: OPENpositions are available right now. These are best for active job seekers. PROPOSEDpositions are pending the results of a source selection… more
    Assertive Professionals (10/09/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …and cybersecurity industries. We are seeking a **Physical Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business ... federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems, you will be responsible for… more
    M. C. Dean (10/23/25)
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  • Lead Windows Systems Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …experience **US Citizenship Required:** Yes **Job Description:** Lead Windows Systems Administrator (SME) We are seeking an accomplished Lead Windows Systems ... Administrator to oversee the design, operations, and maintenance of...mission-critical Windows infrastructure that supports analysts and scientists. This senior leadership role will shape the stability, security, and… more
    General Dynamics Information Technology (12/29/25)
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