• Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... **About the Role** We are seeking a ** Senior System Administrator - Network Security ** to support our federal government customer. The … more
    St. George Tanaq Corporation (11/18/25)
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  • Senior Network Security

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... * * **Exciting Opportunity: Join Our Team as a Senior Network Security Engineer!** Are...of the following vendor certifications: Palo Alto Networks Certified Network Security Administrator (PCNSA), Sonicwall… more
    CACI International (09/13/25)
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  • Senior Network Security

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job...least 3 of the following: Palo Alto Networks Certified Network Security Administrator (PCNSA), Sonicwall ... Network Security Administrator (SNSA), Sonicwall Network Security Professional (SNSP), Symantec ProxySG 6.7 Technical Specialist, or Cisco CCNA or… more
    CACI International (09/06/25)
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  • (DoD SkillBridge) Principal / Sr Principal…

    Northrop Grumman (Linthicum Heights, MD)
    …obtain and maintain a DoD Secret security clearance. **Basic Qualifications for Sr Principal Contract Administrator :** + Bachelor's Degree with 8 years of ... SkillBridge Program Description:** As one of the largest global security companies in the world, Northrop Grumman is proud...you to join our team as a **Principal or Sr . Principal Contract Administrator ** supporting the Maritime/Land… more
    Northrop Grumman (10/29/25)
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  • HPC Sr . Systems Administrator

    Johns Hopkins University (Baltimore, MD)
    …computing and AI infrastructure. This role ensures the reliability, availability, and security of compute, storage, and network resources used by faculty, ... including quota management and backup verification. + Work with senior staff to troubleshoot hardware, network , and...- Advanced + Systems Integration - Advanced Classified Title: Sr . Systems Administrator Job Posting Title (Working… more
    Johns Hopkins University (11/22/25)
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  • Principal/ Sr . Principal HPC System…

    Northrop Grumman (Annapolis Junction, MD)
    …US Government security clearance per customers' requirements **Basic Qualifications for Sr . Principal HPC System Administrator :** + Bachelors degree with 8 ... No relocation assistance available CLEARANCE TYPE: A US Government security clearance per customer's requirements. TRAVEL: Yes, 10% of...Grumman Mission Systems (NGMS) is seeking a **Principal or Sr . Principal HPC System Administrator ** . This… more
    Northrop Grumman (11/07/25)
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  • Principal/ Sr . Principal Systems…

    Northrop Grumman (Patuxent River, MD)
    …Grumman Aeronautics Systems (NGAS) has an exciting career opportunity for a **Principal/ Sr . Principal Systems Administrator ** to join the Ground Segment team ... efficient manner. The selected candidate will be responsible for providing System Administrator level technical support services on the MQ-4C Triton Air vehicle and… more
    Northrop Grumman (09/18/25)
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  • Sr . Principal NetApp Storage…

    Northrop Grumman (Linthicum Heights, MD)
    …Grumman's Chief Information & Digital Office (CIDO) organization is seeking a senior NetApp Storage Administrator with expertise in NetApp storage management ... is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure...mission, we will support yours of expanding your personal network and developing skills, whether you are new to… more
    Northrop Grumman (10/16/25)
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  • Sr . System Administrator - VDI

    Leidos (Odenton, MD)
    …level II, eg Security +ce **PREFERRED QUALIFICATIONS:** + Integration of cyber security tools and systems with network performance, trouble ticketing, and ... **Description** The Defense group at Leidos has a career opening for a System Administrator on a DISA contract. This role is primarily on the customer site at Ft… more
    Leidos (10/21/25)
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  • Sr . Principal Windows/VMware Systems…

    Northrop Grumman (Baltimore, MD)
    …Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological ... mission, we will support yours of expanding your personal network and developing skills, whether you are new to...Northrop Grumman Mission Systems is seeking a Windows Systems Administrator to join its Classified Solutions team in Linthicum,… more
    Northrop Grumman (11/01/25)
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