• Senior Information Systems Engineer…

    RTX Corporation (Andover, MA)
    …or Mathematics (STEM) + Minimum five (5) years of prior relevant experience with systems administration of Windows or Linux Server Operating Systems ... the world. As part of the Test Environment Support Administration ( **TESA** ) team, you be working with...Azure + Troubleshooting ability with all Microsoft Windows and Linux systems to quickly return system more
    RTX Corporation (09/13/25)
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  • Senior HPC Administrator (High Performance…

    Mount Sinai Health System (New York, NY)
    …PhD preferred + 8+ years (higher preferred) of progressive HPC system administration and operations (preferably in a Redhat/CentOS Linux administration , ... system advantages/disadvantages and tradeoffs. + Designs, develops, implements system administration tasks, including hardware and software configuration,… more
    Mount Sinai Health System (08/16/25)
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  • Senior System Administrator…

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to support… more
    St. George Tanaq Corporation (08/15/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (4521)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ** Senior ... area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system...other DOD INST 8570 compliant qualification + Knowledge of system administration principles, theories, and concepts +… more
    SMX (10/09/25)
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  • Senior Principal Systems Engineer…

    RTX Corporation (Marlborough, MA)
    …problems that create a safer, more secure world. Raytheon is seeking a well-qualified ** Senior Principal System Security Engineer (SSE) - P5** to join the ... impacts, and effectiveness + Provide leadership in support of administrative tasking such as system documentation, account...best practices for UNIX, MS Windows, Red Hat Enterprise Linux , and CISCO systems + Understanding of… more
    RTX Corporation (09/17/25)
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  • Systems Engineer Senior

    General Dynamics Information Technology (Macdill AFB, FL)
    …Family:** IT Infrastructure and Operations **Skills:** Active Directory (AD),Complex Systems ,Computer Servers, System Administration , Systems Engineering ... while you advance your career. Join GDIT as a Systems Engineer Senior and build an impactful...our customer. * Designs server and application architectures; performs administrative operation and maintenance functions of server hardware and… more
    General Dynamics Information Technology (10/13/25)
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  • HPC Systems Engineer (Advanced Research…

    Johns Hopkins University (Baltimore, MD)
    …of massive high performance parallel storage and methodologies. + Expert knowledge of Unix/ Linux systems administration , including all aspects of management, ... or university settings. **Specific Duties & Responsibilities** _70% Systems Engineering, Administration , Security, and Oversight_ + Work with Sr staff to… more
    Johns Hopkins University (08/21/25)
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  • Senior Systems Engineer - Air…

    RTX Corporation (Egg Harbor Township, NJ)
    …future of aerospace technology. Our Connected Aviation group is thrilled to offer a Senior Systems Engineer role within our Air Traffic Solutions (ATS). As part ... in developing the next generation of the Standard Terminal Automation Replacement System (STARS) and supporting our existing fielded systems . Step into… more
    RTX Corporation (09/03/25)
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  • Senior Principal Systems Engineer…

    RTX Corporation (Tewksbury, MA)
    …problems that create a safer, more secure world. Raytheon is seeking a ** Senior ** **Principal** ** Systems Security Engineer-P5** to join our elite Systems ... Intelligence agencies + Experience with IT and/or network and system security administration , including operating system...best practices for UNIX, MS Windows, Red Hat Enterprise Linux , and CISCO systems + Understanding of… more
    RTX Corporation (10/01/25)
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  • Senior Systems Administrator…

    Huntington Ingalls Industries (Hanover, MD)
    …our Minotaur team in Hanover, MD. The ideal candidate will have a strong background in system administration and be part of a small team of system ... + Keep up-to-date with new technologies and trends in system administration and provide recommendations for improving...and 10 years relevant experience. + Strong proficiency in Linux administration (eg Red Hat, CentOS, Ubuntu)… more
    Huntington Ingalls Industries (08/27/25)
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