• 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 (12/20/25)
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  • Security Administrator (Junior-…

    NetSEA Technologies (Aberdeen Proving Ground, MD)
    …, Senior Education: Bachelor's Degree Experience: 5 years Summary: As a Senior Security Administrator , you translate objectives into actionable steps and ... Position Title: Security Administrator (Junior- Senior ) Clearance: DoD SECRET or higher clearance Location: Aberdeen Proving Ground, MD Travel: up to 15% Role… more
    NetSEA Technologies (10/14/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    …**Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... Leave, and much more. **Join us and make a difference in National** ** Security !** As a Senior Systems Administrator you will play a vital role in maintaining… more
    Leidos (11/15/25)
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  • Principal Contract Administrator

    Northrop Grumman (Baltimore, MD)
    …Systems is looking for you to join our team as a **Principal Contract Administrator / Senior Principal Contract Administrator ** based out of Linthicum, MD. ... is a trusted provider of mission-enabling solutions for global security . We have a wide portfolio of secure, affordable,...**This requisition may be filled as a** **Principal Contract Administrator or Senior Principal Contract Administrator more
    Northrop Grumman (11/04/25)
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  • Linux System Administrator ( Senior

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to join our team at Aberdeen Proving Ground, MD. + ... Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator ( Senior -Level) will be responsible for the installation,… more
    Link Solutions Inc (10/08/25)
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  • Senior Tier III Administrator

    General Dynamics Information Technology (Fort Meade, MD)
    …experience **US Citizenship Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information ... diagnose and resolve complex issues, maintaining high availability and security of video services.** **Your role will also encompass...along with a drive for innovation to GDIT. The Senior Tier III Administrator must have:** **Education:**… more
    General Dynamics Information Technology (12/11/25)
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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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  • Network Administrator ( Senior

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Network Administrator ( Senior -Level) to join our team at Aberdeen Proving Ground, MD. + ... DoD Top Secret Clearance. + Non-remote (relocation incentive available) The Network Administrator ( Senior -Level) will be responsible for supporting the Army… more
    Link Solutions Inc (10/08/25)
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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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  • 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 Network Administrator

    CACI International (Aberdeen Proving Ground, MD)
    Senior Network Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... * * * **The Opportunity:** Support the DoD as Senior Network Administrator for an Army Task...a DoD network consisting of Cisco switches, routers, and security devices. + Use problem solving skills to identify… more
    CACI International (12/11/25)
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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 Linux Systems Administrator

    Leidos (Annapolis Junction, MD)
    …has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (10/09/25)
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  • MAC System Administrator ( Senior

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a MAC System Administrator ( Senior -Level) to join our team at Aberdeen Proving Ground, MD. + ... Secret Clearance. + Non-remote (relocation incentive available) The MAC System Administrator will be responsible for maintaining macOS systems, managing updates,… more
    Link Solutions Inc (10/16/25)
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  • Senior Subcontracts Administrator

    UIC Government Services and the Bowhead Family of Companies (Aberdeen, MD)
    **Overview** Subcontracts Administrator (SUBK-2025-23894): Bowhead seeks a Senior Subcontracts Administrator to provide support for the preparation of ... interface with company management and staff as well as senior management of suppliers, team members and subcontractors. +...Must be able to twist, bend and squat periodically SECURITY CLEARANCE REQUIREMENTS:There are currently no Security more
    UIC Government Services and the Bowhead Family of Companies (12/17/25)
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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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  • (Mid. or Senior ) Networking Systems…

    Belay Technologies (Annapolis Junction, MD)
    …and a finalist in 2021! Belay Technologies is seeking a Network Systems Administrator (Windows) to join our team. The selected individual will be responsible for ... and will respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations. Primary Responsibilities: The… more
    Belay Technologies (10/01/25)
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  • Contracts Administrator - Level 3…

    Northrop Grumman (Linthicum Heights, MD)
    …Possible from the day you start. Northrop Grumman is currently seeking a **Contracts Administrator - Level 3 (Principal) or 4 ( Senior Principal)** , to join ... experience and exposure, all while supporting a mission that seeks to ensure the security of our nation and its allies? If so, then Northrop Grumman Space Sector… more
    Northrop Grumman (12/11/25)
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  • Senior Linux System Administrator

    Parsons Corporation (Aberdeen, MD)
    …years of directly related experience_ + Linux+ certification (or equivalent) + Security + certification (or equivalent) + Top Secret clearance ** Security ... art as they provide services and solutions in the areas of defense, security , intelligence, infrastructure, and environmental. We promote a culture of excellence and… more
    Parsons Corporation (11/15/25)
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  • Senior Linux System Administrator

    ManTech (Laurel, MD)
    ManTech seeks a motivated, career and customer-oriented **Linux** **System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated team ... be substituted for a degree. + 20+ years of experience as a System Administrator or related experience in programs and contracts of similar scope, type, and… more
    ManTech (12/11/25)
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