• Dentons US LLP (Washington, DC)
    …US LLP is currently recruiting for a Senior Enterprise Messaging Administrator . This position will ensure seamless operation, security , and advancement of ... Senior Enterprise Messaging Administrator Chicago, IL,...name record identification and resolution. + Implement and manage security measures, including anti-spam methods, monitoring system abuse to… more
    DirectEmployers Association (12/13/25)
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  • AeroVironment (Germantown, MD)
    …Intermediate or Managing Professional certification. + Microsoft Certified: Modern Desktop Administrator Associate or equivalent. + CompTIA Network+, Security +, ... systems, applications, and endpoints. + Coordinate with network, systems, and security teams to resolve enterprise-impacting issues and restore services quickly. +… more
    DirectEmployers Association (01/06/26)
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  • Senior Security Administrator

    Nightwing (Annapolis Junction, MD)
    …in the intelligence community, defense, civil, and commercial markets. Nightwing is seeking a ** Senior Security Administrator ** who will play a critical role ... and sensitive information. This position is designed for an experienced security professional who thrives in high-visibility environments, operates with minimal… more
    Nightwing (12/29/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    …Parental Paid Leave, and much more. **Join us and make a difference in National** ** Security !** As a Senior Systems Administrator you will play a vital ... **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's.... Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical… more
    Leidos (11/15/25)
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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 team, ... to fill a Core Services position supporting the NNSA (National Nuclear Security Administration). The Systems Administrator is responsible for supporting core… more
    General Dynamics Information Technology (01/05/26)
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  • Database Administrator - Senior

    Amentum (Washington, DC)
    We are searching for a Top Secret cleared Database Administrator ( Senior ) to join our team in Washington, DC. You will be working in an organization that's ... ensure its applications and tools meet or exceed the needs of the mission. The Database Administrator ( Senior ) is a part of a team that will lead large scale… more
    Amentum (11/04/25)
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  • Senior System Administrator

    DCCA (Columbia, MD)
    Senior System Administrator Location Columbia, MD Job Code 2215 # of Openings 1 Apply Now ... and a competitive compensation and benefits package. Visit our website at: www.dcca.com Senior System Administrator Candidate must have an active TS/SCI w/Poly… more
    DCCA (11/15/25)
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  • Senior Principal Network…

    BAE Systems (Rockville, MD)
    …with data and computing modernization experience, to join our team as a Senior Principal Network Administrator providing support to the United States Army ... hardware deployments, and implementing software according to engineering plans. The Senior Principal Network Administrator will be involved with installation,… more
    BAE Systems (01/10/26)
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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 ... risk management requirements. + Ensure systems meet ARL performance, security , and reliability standards. + Install, configure, and maintain...or CompTIA Server+ CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP +… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    MANTECH seeks a motivated, career and customer-oriented ** Senior ** **Cloud System Administrator ** in Hanover, MD. The team delivers enterprise infrastructure ... workspaces, and other core services + Monitor system performance, availability, and security , responding to incidents and performing root cause analysis + Track and… more
    ManTech (12/24/25)
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  • Linux Administrator , Senior

    Amentum (Hanover, MD)
    …, & Intel space? If so, look no further. Amentum is seeking a **Linux Administrator , Senior ** to join our team of passionate individuals in **Hanover, MD** . ... projects that make a direct impact on the Nation's security and intelligence mission. Our contract supports more than...to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates… more
    Amentum (11/21/25)
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  • Linux Administrator , Senior

    Amentum (Baltimore, MD)
    …, & Intel space? If so, look no further. Amentum is seeking a **Linux Administrator , Senior ** to join our team of passionate individuals in **Hanover, MD** . ... projects that make a direct impact on the Nation's security and intelligence mission. Our contract supports more than...to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates… more
    Amentum (01/06/26)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at Adelphi, MD. + Must be a ... Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for the installation,… more
    Link Solutions Inc (01/06/26)
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  • Senior Linux System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, ... for users and systems in Information Technology and/or information security environments. + At least 2 years of experience...on an on-call basis. + The Level 3 System Administrator shall possess the following capabilities: + Provide support… more
    Belay Technologies (01/04/26)
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  • Senior Database Administrator

    GliaCell Technologies (Annapolis Junction, MD)
    Are you a Senior Database Administrator / Engineer who is ready for a new challenge that will launch your career to the next level? + Tired of being treated like ... on Software & System Engineering in Enterprise and Cyber Security solution spaces. We excel at delivering stable and...amazingly talented people Job Description: GliaCell is seeking a Senior Database Administrator / Engineer on one… more
    GliaCell Technologies (11/06/25)
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  • Senior Systems Administrator - Ariba…

    CareFirst (Baltimore, MD)
    **Resp & Qualifications** **PURPOSE:** The Senior Systems Administrator is responsible for assisting with the development and maintenance of unique software ... in leveraging the system's platform. Additionally, the Sr. Systems Administrator is responsible for data reporting, configuration, analytics, and dashboarding,… more
    CareFirst (11/19/25)
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  • Senior Windows Systems Administrator

    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 Windows Systems ... across Windows platforms. The role ensures the performance, reliability, and security of infrastructure by managing staff, planning resources, and aligning… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Application Systems Administrator

    ASM Research, An Accenture Federal Services Company (Washington, DC)
    …and design. Provides direction to other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety of IT ... administrator disciplines. + Responsible for installing, configuring, and maintaining...database/library of all supporting documentation. + Patching, configuration, and security associated with Windows, RHEL Linux, Photon, VMWare vSphere.… more
    ASM Research, An Accenture Federal Services Company (01/13/26)
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  • Senior Database Administrator

    BAE Systems (Washington, DC)
    …incentives may be available based on position level and/or job specifics. ** Senior Database Administrator ** **118979BR** EEO Career Site Equal Opportunity ... with an anticipated decision expected by Q3/Q4 of 2026** . The **Database Administrator ** responsibilities include, but are not limited to: + Oversees the strategy,… more
    BAE Systems (12/04/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented **Sr** **Cloud System Administrator ** to join our team in **Hanover, MD.** Our team delivers enterprise ... IAM, and other core services + Monitor system performance, availability, and security , responding to incidents and performing root cause analysis + Administer and… more
    ManTech (12/10/25)
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