• Principal Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with...Windows support. **Responsibilities Include:** + Administer and maintain Linux systems across enterprise environments + Create… more
    Leidos (07/31/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...subnets, routing, and VLANs; Cisco experience and/or certification + Windows server management experience + Windows AD,… more
    Northrop Grumman (08/20/25)
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  • Principal Linux DevOps Engineer

    Northrop Grumman (Annapolis Junction, MD)
    …your career. The Northrop Grumman Classified Solutions team is seeking an experienced ** Principal Linux DevOps Engineer** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...subnets, routing, and VLANs; Cisco experience and/or certification. + Windows AD, LDAP, VMWare, and knowledge of SAN storage… more
    Northrop Grumman (09/25/25)
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  • Principal /Sr. Principal

    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 ... Current valid DoD 8570 Certification in a primary OS ( Windows , Linux , Cisco). + Experience operating under...Linux , Cisco). + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (09/18/25)
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  • Principal Endpoint Security Systems

    Leidos (Bethesda, MD)
    …Working in a hybrid cloud/on-prem mission environment the engineer will support integration of Linux and Windows hosted mission systems with the endpoint ... **Description** **Leidos** has a new and exciting opportunity a ** Principal Endpoint Security Systems Engineer** in our...and Trellix Endpoint Threat Protection + Experience with maintaining systems on Linux and Windows more
    Leidos (08/29/25)
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  • Principal / Sr. Principal Embedded…

    Northrop Grumman (Linthicum Heights, MD)
    …setup issues + Experience with network topology + Experience developing in a hybrid Linux / Windows environment + Experience as a member of an Agile Scrum team ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...a Chip (SOC) hardware + Experience with Bash and Linux scripting + US Citizenship required + Ability to… more
    Northrop Grumman (08/13/25)
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  • Principal Systems Engineer

    Leidos (Fort Meade, MD)
    …various Systems Administration (SA) components, ensuring seamless virtualization, Linux environments, GOTS product integration, and Windows Server ... us and make a difference in National** **Security!** **Job Summary** As a Principal Systems Engineer, you will be responsible for designing, implementing, and… more
    Leidos (09/09/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    Principal System Administrator Location Annapolis Junction, MD Job Code 2270 # of Openings 1 Apply Now ... a competitive compensation and benefits package. Visit our website at: www.dcca.com Principal System Administrator Candidate must have an active TS/SCI w/Poly For… more
    DCCA (08/18/25)
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  • Principal Systems Engineer

    Northrop Grumman (Patuxent River, MD)
    …CE, or ability to obtain within 6 months of hire date + Must have experience with Windows and Linux Operating Systems + Must have ability to work after hours ... Aeronautics Systems has an opening for a ** Principal Systems Engineer​** to join our team...Security+ CE, CASP, CISSP or similar security certification. + Windows AD, LDAP, VMWare, and knowledge of SAN storage… more
    Northrop Grumman (09/24/25)
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  • Information Systems Security Engineer…

    Amentum (Fort Meade, MD)
    …of classified and sensitive data. * Demonstrated proficiency with the following computer operating systems (eg Microsoft Windows , LINUX , UNIX, Mac OS, etc.) ... Intel space? If so, look no further. Amentum is seeking a ** Principal Information Systems Security Engineer** to join our team of passionate individuals in… more
    Amentum (10/01/25)
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