• 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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  • 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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  • Senior Salesforce Administrator

    Cognizant (Annapolis, MD)
    ** Senior Salesforce Administrator (Remote)** Cognizant is looking for a Senior Salesforce Administrator who is a proactive and detail oriented ... in a healthcare clearinghouse environment and familiar with its business processes The Senior Salesforce Administrator will help coordinate the workload of the… more
    Cognizant (01/06/26)
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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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  • 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 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 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 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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  • 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 (01/08/26)
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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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  • 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

    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 ... substituted for a Bachelor's degree. + 15+ years of experience as a System Administrator or related experience in programs and contracts of similar scope, type, and… more
    ManTech (12/25/25)
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  • Senior Cloud Administrator

    Cognizant (Annapolis, MD)
    …the organization. You will be a valued member of the Cloud Infrastructure and Security team and work collaboratively with the Senior Manager. **In this role, ... **About the role** As a Cloud Administrator specializing in Containers and DevOps, you will...99.9% uptime and operational efficiency. *Enforce cloud and container security standards and compliance policies, including HIPAA, HITRUST, and… more
    Cognizant (01/07/26)
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