• 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 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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  • 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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  • 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 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 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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  • 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 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 Systems Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Senior Systems Administrator with an active TS/SCI with Poly clearance to join and assist and meet mission needs for our ... Framework and related systems to ensure optimized performance and security + Support patching, upgrading, and migrating of Linux...+ Experience in building and maintaining VMware environments. + Security + cert What we'd like you to have… more
    BigBear.ai (12/30/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service Disabled ... Virtual Machines (VMs), loading Operating systems and software, performing security hardening, patching, and monitoring status. Position also will support… more
    Synergy ECP (01/14/26)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    ManTech seeks a ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... Experience with Linux, including installation, configuration, troubleshooting, and maintenance. ** Security Clearance Requirements:** + Active TS/SCI with Polygraph is… more
    ManTech (12/24/25)
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  • Sr. IAM Administrator (IT@JH Enterprise…

    Johns Hopkins University (Baltimore, MD)
    …and service accounts, as well as the use of digital certificates to enhance security . The Sr. IAM Administrator supports the IAM Engineers in evaluating, ... The Sr. IAM Administrator plays a critical role in maintaining the security and efficiency of IAM systems, contributing to the overall security strategy… more
    Johns Hopkins University (11/20/25)
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  • Database Administrator Senior

    General Dynamics Information Technology (Annapolis Junction, MD)
    …Infrastructure and Operations **Skills:** Database Management,Design,Documentations **Certifications:** CompTIA Security + CE | CompTIA - CompTIA **Experience:** 3 + ... of related experience **US Citizenship Required:** Yes **Job Description:** Database Analyst Senior Deliver insights to help our clients turn data into action as… more
    General Dynamics Information Technology (11/18/25)
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  • Senior Principal MySQL Database…

    Oracle (Annapolis Junction, MD)
    …Community? Oracle Government, Defense & Intelligence is seeking a highly skilled ** Senior Principal MySQL DBA** to join our elite team, supporting dynamic projects ... communicate effectively with technical and non-technical stakeholders. + **COMPTIA Security Plus certification** + Excellent problem-solving, documentation, and analytical… more
    Oracle (11/25/25)
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  • Sr. Principal NetApp Storage Administrator

    Northrop Grumman (Baltimore, MD)
    …Grumman's Chief Information & Digital Office (CIDO) organization is seeking a senior NetApp Storage Administrator with expertise in NetApp storage management ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological… more
    Northrop Grumman (01/15/26)
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  • Cloud System Administrator - TS/SCI w/Poly

    General Dynamics Information Technology (Annapolis Junction, MD)
    …on Cloud Developer Senior joining our team. HOW A CLOUD SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT * Designs, architects, deploys and maintains cloud solutions. * ... Engineering **Skills:** Cloud Solutions,Technical Knowledge,Windows Azure Cloud **Certifications:** CompTIA Security + CE | CompTIA - CompTIA **Experience:** 3 +… more
    General Dynamics Information Technology (01/07/26)
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