• Aspen Technology, Inc. (Hamel, MN)
    …real-time control systems , client/server applications, network communications, UNIX / Linux / Windows operating systems Experience in software ... The Role In this role, you will design and deliver DGM's control systems and provide ongoing customer support to ensure reliable performance and world-class customer… more
    Upward (07/15/25)
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  • Rocket Software, Inc. (Waltham, MA)
    …Multi-factor Authentication technology such as: Okta, NetIQ Advance Auth, Ping Experience with Linux , and Windows operating systems . Available for rare but ... technical information to customer. Document and communicate work performed in provided systems and documents as requested. Participate in internal projects and other… more
    Upward (07/11/25)
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  • Palo Alto Networks (Baltimore, MD)
    …internal processes and engagements Conducts IT application testing, cybersecurity tool and systems analysis, system and network administration, and systems ... to name a few! Job Description Your Career The Principal Consultant on the Offensive Security team is focused...with penetration testing, administering, and troubleshooting major flavors of Linux , Windows , and major cloud IaaS, PaaS,… more
    Upward (07/11/25)
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  • Raytheon Technologies (Mckinney, TX)
    …area matters. Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. Must be able to obtain ... Gateway, and prior systems administration and networking administration experience, Windows or Linux administration, Windows administration, or Mac… more
    Upward (07/14/25)
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  • Linux Principal Windows

    Serco (Kirtland AFB, NM)
    **Position Description** Serco is seeking a Linux Principal Windows Systems Administrator to join our team supporting the Defense Systems sector at ... other legally protected characteristics. Click here to apply now (https://careers-sercous.icims.com/jobs/69556/ linux - principal - windows - systems -administrator/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to… more
    Serco (05/17/25)
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  • Senior Systems Administrator…

    Mount Sinai Health System (New York, NY)
    …at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) ... 6 years of experience in designing, administering and troubleshooting Linux and Windows systems , storage...System is one of the largest academic medical systems in the New York metro area, with more… more
    Mount Sinai Health System (06/24/25)
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  • Principal Linux System

    BAE Systems (Manchester, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Principal Linux System Administrator** **114328BR** EEO Career Site Equal ... **Key responsibilities include:** + Administer patch management for RHEL-based Linux systems , including vulnerability scanning, patch deployment, and… more
    BAE Systems (07/10/25)
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  • Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Linux ** Design, deploy, integrate ... as you accelerate your career. At GDIT, people are our differentiator. As a **Senior Principal Systems Engineer - Linux ** , you will help ensure today… more
    General Dynamics Information Technology (07/07/25)
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  • Linux Systems Administrator…

    Northrop Grumman (Wright Patterson AFB, OH)
    …are not only part of history, they're making history. Northrop Grumman is seeking a Linux Systems Administrator to maintain and enhance Linux Systems ... DevOps CI/CD pipelines. You will be primarily focused on Linux Systems Administration and be prepared for...with an active TS/SCI clearance **Basic Qualifications for a Principal Systems Administrator:** + Bachelor's degree in… more
    Northrop Grumman (05/29/25)
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  • Principal System Administrator…

    Themis Insight (Fort Meade, MD)
    …Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and ... Military expertise to every case. We are hiring a Principal System Administrator ( Linux ) to...+ Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and… more
    Themis Insight (07/26/25)
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  • Principal Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber ... will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing system performance.… more
    Leidos (05/13/25)
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  • Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** 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...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (06/25/25)
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  • Principal Architect - LINUX - Active…

    General Dynamics Information Technology (Washington, DC)
    …the current Linux and Windows environment. + Enterprise Authorization: Integrate Linux Systems (currently, Ubuntu and RHEL 7/8 systems ) into a ... personal impact as a ** Principal Architect** **for** ** Linux ** with GDIT. A career in systems ...and Single Sign On. + Enterprise Provisioning: Configure new Linux systems for customer use and ensuring… more
    General Dynamics Information Technology (06/25/25)
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  • Principal Linux Systems

    Northrop Grumman (Melbourne, FL)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** 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...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (07/08/25)
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  • Sr. Principal Linux System

    RTX Corporation (Aurora, CO)
    …are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph **Sr. Principal Linux System Administrator, Aurora, CO, must have active ... Raytheon program in a classified environment as a Senior Principal Linux System Administrator. +...vCenter + Experience managing network devices + Experience administering Windows based systems + Experience with pipeline… more
    RTX Corporation (07/19/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively ... in written and verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system engineers, PC… more
    Northrop Grumman (07/02/25)
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  • Principal Platform Engineer / Linux

    RTX Corporation (Aurora, CO)
    …that create a safer, more secure world. Raytheon Technologies (RTX) is seeking a Principal Platform Engineer / Linux with well-rounded Linux Infrastructure ... system updates and upgrades with Focus on the Linux Server / Linux OS expertise and...Customer for Technical Exchange Meetings (TEMs) as required. The ** Principal Platform Engineer / Linux ** would be… more
    RTX Corporation (06/13/25)
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  • Principal Linux Engineer

    Vestis Services (Roswell, GA)
    …requirements. --Provides support for complex problems related to Linux system software and Identity integrations. --Analyzes current systems software, ... **Description** Job Overview: The Linux Principal Engineer will be a...and backup solutions. --Works closely with the Managers of Windows systems and Database Administration to support… more
    Vestis Services (07/03/25)
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  • Principal Linux Specialist

    RTX Corporation (Mckinney, TX)
    …and maintenance of systems hardware and software related to a Linux / Windows infrastructure for classified programs. Duties include, but are not limited ... Enterprise Linux , Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration experience, Windows or Linux administration, Backup… more
    RTX Corporation (07/16/25)
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  • Principal Linux System

    RTX Corporation (El Segundo, CA)
    …required, as only US citizens are eligible for a security clearance. + Linux and/or Windows systems administration experience. **Qualifications We Prefer:** ... + CompTIA Security+ certification or other industry-recognized certifications relevant to a Linux System Administrator + BASH Scripting + ITIL Foundations and/or… more
    RTX Corporation (07/03/25)
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