• Senior Systems Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... and make a difference in National** **Security!** As a Senior Systems Administrator you will...Windows environments. + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration and operations.… more
    Leidos (11/15/25)
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  • Senior ServiceNow Systems

    SAIC (Annapolis Junction, MD)
    …be substituted for the degree + Minimum of 14 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... in the resolution process + Configure and manage UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains… more
    SAIC (11/06/25)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to support… more
    St. George Tanaq Corporation (11/14/25)
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  • Senior Systems Administrator

    SAIC (Fort Meade, MD)
    …can** **grow your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and ... perform system capacity analysis and planning + Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system… more
    SAIC (11/17/25)
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  • Senior Database Administrator

    Leidos (Camp Springs, MD)
    **Description** Leidos Digital Modernization sector is seeking an ** Senior Database Administrator ** - Hosting to support **USCIS Enterprise Automation & Unified ... hosting, and unified communications for 30 000+ end‑users. The Senior Database Administrator will be a key...services. **Primary Responsibilities:** + Design, implement, and maintain database systems within Windows , Unix, and Linux hosting… more
    Leidos (12/06/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    …and on-premise contexts **Minimum Qualifications:** + 20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of ... for Windows Server 2022 environments, including Active Directory, and manage Windows 10/11 client systems . + Architect, deploy, and maintain robust cloud… more
    ManTech (12/10/25)
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  • Mid/ Senior System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …in the resolution process. The SA configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, ... finalist in 2021! Belay Technologies is seeking a System Administrator (SA) to join our intel team. The SA...AWS Experience + VPC, EC2, S3 + Linux and Windows operating systems + CentOS, RedHat, … more
    Belay Technologies (11/19/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Tier III Administrator

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

    Northrop Grumman (Patuxent River, MD)
    Systems (NGAS) has an exciting career opportunity for a **Principal/Sr. Principal Systems Administrator ** to join the Ground Segment team of qualified, ... system integration, sustainment, and ground/flight test support. + Perform as a Windows \VMware System Administrator for a classified government contract. +… more
    Northrop Grumman (12/12/25)
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