• 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)
    …**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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  • 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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  • 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 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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  • 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

    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 Database Administrator - QREP

    Ensono (Annapolis, MD)
    Senior Database Administrator - QREPRemote -...Refreshing test data for whole environments + Supporting DB2 security requests + Review DB2 security to ... establishing policies and procedures pertaining to database management, DR, security , maintenance and utilization preferred + Supporting multiple clients after… more
    Ensono (11/26/25)
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  • Senior Linux System Administrator

    GovCIO (Annapolis, MD)
    …to this job (https://careers-govcio.icims.com/jobs/6348/ senior -linux-system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position will… more
    GovCIO (11/07/25)
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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 (10/15/25)
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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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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... Must be proficient with troubleshooting in a Linux environment. ** Security Clearance Requirements:** + Current/Active TS/SCI with Polygraph. **Physical… more
    ManTech (12/23/25)
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  • Senior Systems Administrator

    Huntington Ingalls Industries (Hanover, MD)
    …Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $82,276.00 - $125,000.00 Security Clearance: Ability to Obtain Level of Experience: Mid This ... data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities...HII, is seeking a highly motivated and experienced System Administrator to join our Minotaur team in Hanover, MD.… more
    Huntington Ingalls Industries (11/25/25)
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  • Senior Database Administrator

    Highmark Health (Annapolis, MD)
    …Citizen (due to contractual/access requirements) We are seeking a Database Administrator with experience in PostgreSQL databases within Google Cloud Platform (GCP), ... Cloud Logging) and SQL Server. + Knowledge of SolarWinds is a plus + ** Security and Compliance:** + Understanding of database security best practices, including… more
    Highmark Health (10/28/25)
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  • 337 - Senior Linux Systems…

    ARSIEM (Annapolis Junction, MD)
    …work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, systems, and ... and reliability, reduce latency, and optimize performance, while maintaining the security posture. This position will support one of our government clients… more
    ARSIEM (10/30/25)
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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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