• Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... qualified candidate for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery Operations… more
    Leidos (05/14/25)
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  • Linux System Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Columbia, MD)
    Linux System Administrator , Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use ... Defense? We're looking for a Cross Domain Platform System Administrator to help us design, deploy, and maintain Cross...networking configuration, and DNS + TS/SCI clearance with a polygraph + Bachelor's degree in a CS or IT… more
    BOOZ, ALLEN & HAMILTON, INC. (07/25/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking an accomplished System Administrator - Level 4 to lead… more
    CACI International (08/01/25)
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  • Sr . DevOps Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr . DevOps Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... will also work collaboratively with software engineering to deploy and operate systems . Additionally, this role will help automate and streamline operations and… more
    Leidos (08/02/25)
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  • Sr . Principal Network Engineer - Top…

    Northrop Grumman (Linthicum Heights, MD)
    …You!** The Northrop Grumman Classified Solutions team is seeking a highly experienced ** Senior ** **Network Administrator ** to join its dynamic team of technical ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...+ Bachelor's degree Network Engineering + Active Top Secret/SCI, Polygraph , or SAP/SAR access would be nice to have… more
    Northrop Grumman (07/26/25)
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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 ... support the implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system infrastructure and associated processes. **Responsibilities… more
    ManTech (07/26/25)
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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 ... a team obtaining and configuring Virtual Machines (VMs), loading Operating systems and software, performing security hardening, patching, and monitoring status.… more
    Synergy ECP (07/16/25)
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  • System Engineer 2 - Software Developer Sr .

    Orion Consortium (Annapolis Junction, MD)
    *Position requires TS/SCI with a Full Scope polygraph .* Key Responsibilities: * Researches, designs, develops, and/or modifies enterprise-wide systems and/or ... NIST SP 800-53 Risk Management Framework (RMF) ServiceNow Certified Administrator Certification Required: ServiceNOW Certified System Administrator Security+… more
    Orion Consortium (07/03/25)
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  • Senior Cloud System Administrator

    TekSynap (Columbia, MD)
    …cloud and virtual environments including AWS and VMware + Maintain various operating systems in a variety of users andactivities + Apply cybersecurity knowledge to ... equipment to proper securitystandards + Install, troubleshoot, and manage applications, systems , andnetworks + Test systems and resolve securityvulnerabilities… more
    TekSynap (07/09/25)
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  • System Administrator Level 3

    Jovian Concepts, Inc. (Annapolis Junction, MD)
    Jovian Concepts, Inc is looking to hire a System Administrator Level 3 for a great opportunity in the Annapolis Junction area. This role requires a TS/SCI Clearance ... with Polygraph to be considered. No CCA's will be accepted...at this time. Candidate will be responsible for providing Sr . level Linux System Administration support for the program.… more
    Jovian Concepts, Inc. (06/26/25)
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