• 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 ... a difference in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting… more
    Leidos (07/31/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …best work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator ** to join its dynamic team of ... include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively… more
    Northrop Grumman (08/20/25)
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  • Northrop Grumman (DoD SkillBridge) - Linux

    Northrop Grumman (Linthicum Heights, MD)
    …**Job Description:** Northrop Grumman's Classified Solutions Team is seeking a well-qualified Linux Systems Administrator to join our dynamic team ... include but not be limited to the following: + Perform as a Linux Systems Administrator for a classified government contract. + Maintain smooth operation… more
    Northrop Grumman (08/01/25)
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  • Linux System Administrators Careers

    Northrop Grumman (Linthicum Heights, MD)
    … operating systems , workstations, and applications for several program or project areas. ** Principal Linux Systems Administrator ** + Serve as primary ... Report project status as required for all recurring and non-recurring efforts ​ **Sr. Principal Linux Systems Administrator ** + Serve as a Project Lead… more
    Northrop Grumman (09/14/25)
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  • United States Postal Service (USPS) Incumbent…

    General Dynamics Information Technology (Fairfax, VA)
    … + Cisco ISE Engineer + DNS/DHCP Network Engineer + Microsoft Power BI Developer + Principal Unix/ Linux Systems Administrator + VPN Network Engineer + ... Packaging Engineer + Client Support Administrator + Mail Processing Equipment Systems Administrator + Multi-Factor Authentication (MFA) Engineer + OKTA … more
    General Dynamics Information Technology (09/19/25)
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  • Sr. Principal HPC System…

    Northrop Grumman (Annapolis Junction, MD)
    …PhD. Will consider 4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge and experience with networking ... (NGMS) is seeking a ** Principal or Sr. Principal HPC System Administrator ** . This position...4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge… more
    Northrop Grumman (10/02/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Chief Information and Digital Office (CIDO) organization is seeking an experienced **Sr Principal Windows Systems Administrator ** to join its dynamic team ... to the following:** + Perform as a Windows System Administrator for a classified government contract. + Able to...Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (10/03/25)
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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… more
    DCCA (08/18/25)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator Advisor with GDIT. A career in enterprise IT ... operate. At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure...plan migration process to support applications hosted by the Windows/ Linux systems . + Complete system security checklists,… more
    General Dynamics Information Technology (09/30/25)
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  • Sr. Principal NetApp Storage…

    Northrop Grumman (Linthicum Heights, MD)
    …will include but not be limited to the following: + Serve as a systems administrator with shared responsibility for the effective maintenance and operational ... Office (CIDO) organization is seeking a senior NetApp Storage Administrator with expertise in NetApp storage management to join...scanning tools and remediation. + Experience deploying and managing Linux systems (preferably Red Hat) in both… more
    Northrop Grumman (07/18/25)
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  • COPY - Principal Systems Engineer

    Insight Global (Arlington, VA)
    Job Description Insight Global is looking for a Principal Systems Engineer to support us in the design and implementation of our cloud infrastructure for a DOD ... -Proficiency with scripting languages (eg, Python, Bash, PowerShell) for system automation. -Proficiency at the administrator level with Windows or Linux servers more
    Insight Global (10/04/25)
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  • Principal OR Sr. Principal Payloads…

    Northrop Grumman (Washington, DC)
    …Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems is looking to add a ** Principal OR Sr. Principal ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...time. _This position can be filled at either the Principal Payloads Field Service Engineer level or the Senior… more
    Northrop Grumman (09/17/25)
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  • Pr./System Admin - Shift Work (Top Secret) - Space…

    Northrop Grumman (Chantilly, VA)
    …or IAT Level 2 certification **Preferred Qualifications:** . Red Hat Certified Systems Administrator (RHCSA) certification . Experience with DNS, Active ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...We have an opening for a **Tier 2/3 System Administrator ** to join our team of qualified, diverse individuals… more
    Northrop Grumman (10/07/25)
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