• 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 (11/19/25)
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  • Principal Linux Systems

    RTX Corporation (Pelham, NH)
    …that create a safer, more secure world. Raytheon has an opportunity for a ** Principal Linux System Administrator ** operational support and sustainment for a ... other government mandated processes during the life cycle of systems they will maintain. **What You Will Do:** +...Administration in a heterogeneous Redhat 8 & 9 Enterprise Linux environment. + You will utilize virtualization and containerization… more
    RTX Corporation (12/09/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate ... certification will be a condition of continued employment + Must have Linux Operating Systems support experience + Linux Workstation and Server management… more
    Northrop Grumman (12/12/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …US citizens are eligible for a security clearance. + Must have experience with Linux systems administration + Experience with one of the following: Solaris, ... tough, meaningful problems that create a safer, more secure world. ** Principal System Administrator ** in infrastructure Workplace Services, collaborates with… more
    RTX Corporation (12/05/25)
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  • Principal Linux Administrator

    RTX Corporation (Richardson, TX)
    …to join our RTX **Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise ... and software. + Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply security policies specific to … more
    RTX Corporation (12/12/25)
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  • Principal System Administrator

    RTX Corporation (El Segundo, CA)
    …technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Sr. Principal ... problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Red...in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. + Understanding and knowledge of Windows Server… more
    RTX Corporation (12/09/25)
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  • Linux / AWS Systems

    Northrop Grumman (Morrisville, NC)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... limited to the following:** + Serve as a senior Linux Systems Administrator within an...**This position may be filled at either level 3 ( Principal level), or level 4 (Sr. Principal more
    Northrop Grumman (11/15/25)
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  • DreamWorks Technology - Sr. Systems

    NBC Universal (Glendale, CA)
    …to be completed during 2025. DreamWorks Animation is seeking a Senior Systems Administrator to join its multi-platform Infrastructure Engineering and Operations ... team. As a Senior Systems Administrator , you will be responsible for...will be responsible for administering and architecting the studio's Linux infrastructure ranging from business as usual tasks, upgrades,… more
    NBC Universal (12/16/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) environment in the ... team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the...and metrics, etc. The infrastructure includes both Windows and Linux systems with file servers in multiple… more
    Mount Sinai Health System (09/22/25)
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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 ... for a classified government contract. + Perform as a Linux \Redhat System Administrator for a classified government...Linux , Cisco). + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (12/12/25)
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  • Sr Principal Systems

    Northrop Grumman (Aurora, CO)
    …they're making history. Northrop Grumman Space Systems (NGSP) is seeking a **Sr Principal Systems Administrator ** to join our team at our facility in ... be limited to, the following:** + Perform as a Linux and Windows System Administrator on large...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/13/25)
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  • Sr. Principal Systems

    Northrop Grumman (Aurora, CO)
    …history. Northrop Grumman Space Systems (NGSP) seeks to find a **Sr. Principal Systems Administrator ** supporting the Integrated National Systems ... in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/06/25)
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  • Principal Server Administrator

    BAE Systems (Washington, DC)
    …innovative IT solutions that enable our customers to achieve their missions. As a ** Principal Server Administrator ** , you'll play a critical role in providing ... looking for a new challenge, we encourage you to apply. As a Principal Server Administrator , you'll be responsible for provisioning, operating, and maintaining… more
    BAE Systems (10/30/25)
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  • Principal /Sr. Principal HPC System…

    Northrop Grumman (Jessup, MD)
    …with PhD. Will consider 4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge and experience with file ... (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 (12/05/25)
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  • Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …Space Systems -Missile Defense Integration offers an excellent opportunity for a Principal Systems Administrator -Helpdesk Sys Admin (25-571) to join our ... and Windows platforms. **Essential Functions:** + Configuring and managing ** Linux ** and **Windows** operating systems , including: + Implementing operating… more
    Northrop Grumman (12/05/25)
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  • Principal Windows Systems

    Northrop Grumman (Gilbert, AZ)
    …Grumman Chief Information and Digital Office (CIDO) organization is seeking an experienced ** Principal Windows Systems Administrator ** to join its dynamic ... 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 (12/12/25)
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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 (11/17/25)
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  • PDM/PLM Application Administrator

    RTX Corporation (Plano, TX)
    …(DT) Engineering Digital Solutions (EDS) group is seeking a motivated Business Systems & Transformation Technologist ( Principal Specialist). This candidate will ... technologies, tools, or methodologies: PTC Windchill, Oracle database, Apache web server, Linux & Windows server operating systems , Shell scripting, CAD tools… more
    RTX Corporation (11/24/25)
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  • Principal Windows Systems

    Northrop Grumman (Linthicum Heights, MD)
    …but not be limited to the following: + Perform as a primary Windows/VMware systems administrator for a classified government contact. + Maintain smooth operation ... the best work of your career. Northrop Grumman Mission Systems is seeking a well-qualified Windows Administrator ...Windows AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or… more
    Northrop Grumman (11/13/25)
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  • Principal Windows Systems

    RTX Corporation (El Segundo, CA)
    …tough, meaningful problems that create a safer, more secure world. ** Principal System Administrator ** in infrastructure Workplace Services, collaborates with ... complex IT infrastructure problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux more
    RTX Corporation (11/18/25)
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