• Network & Systems Security Administrator

    Miller Milling (Saginaw, TX)
    …administration, systems management, and cybersecurity best practices to ensure high availability , performance , and protection of critical resources. ... seeking a versatile IT professional to manage and secure our organization's network infrastructure, systems , and data. This hybrid role requires expertise in network… more
    Miller Milling (12/19/25)
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  • Sentinel Systems Security Engineering…

    Northrop Grumman (Huntsville, AL)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... part of history, they're making history. Northrop Grumman Space Systems is seeking a ** Systems Security Engineering...mentorship to 10+ SSE team members. * Manage personnel performance ratings for SSE team members. * Mentor SSE… more
    Northrop Grumman (11/26/25)
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  • Senior Systems Administrator…

    Huntington Ingalls Industries (Hanover, MD)
    …patches, and security fixes in a timely manner + Manage and monitor system performance , capacity, and availability to ensure maximum uptime + Automate routine ... Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies...years relevant experience with Masters in related field; or High School Diploma or equivalent and 10 years relevant… more
    Huntington Ingalls Industries (11/25/25)
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  • Infrastructure Engineer

    Fiserv (Omaha, NE)
    …addition, you will oversee the daily operations of application systems , ensuring high availability , reliability, and performance . This is a 24/7 support ... + 4+ years of experience in application monitoring tools, incident management systems , and performance optimization techniques, such as Dynatrace, Splunk and/or… more
    Fiserv (12/20/25)
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  • Distributed Systems Engineer, Cassandra,…

    DoorDash (San Francisco, CA)
    …community. About the Role The Storage team is building and operating a high performance , scalable, reliable data abstraction layer that optimizes reliability and ... integrated observability. + Operate one of DoorDash's most critical stateful systems , supporting high -throughput, low-latency production workloads at scale. +… more
    DoorDash (12/09/25)
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  • Sentinel - Staff Systems Network Architect

    Northrop Grumman (Manhattan Beach, CA)
    …fostering a culture of continuous improvement. + Build and lead high -performing teams, including recruitment, performance management, and professional ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (11/06/25)
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  • Building Systems Operator (Active TS/SCI) 1

    Fluor (Warrenton, VA)
    …may be considered for this position either sooner or later, depending on individual performance , potential, and job availability . This applies to all jobs across ... etc. * Ability to use/develop troubleshooting techniques for various electrical/mechanical systems in both standard and high -stress situations (ie emergency… more
    Fluor (01/09/26)
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  • Electrical Systems Operator (ESO) - TS/SCI…

    NANA Regional Corporation (Fort Gordon, GA)
    …Electrical Systems Tours to inspect and monitor maintenance activities to assure availability of systems are not interrupted. + Respond and or dispatch ... The ESO is responsible to monitor and control electrical systems using SCADA systems . This position ensures...mission readiness and ensures quality of life by maintaining high value assets and operations at peak performance more
    NANA Regional Corporation (01/07/26)
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  • Senior Systems Integration Engineer

    Leidos (Fort Meade, MD)
    …and on-premises solutions. + Administer and troubleshoot Linux-based environments, ensuring high availability and security compliance. + Manage, maintain, and ... related discipline from an accredited college or university plus Fourteen (14) years of systems engineering experience. OR A High School Diploma or GED plus… more
    Leidos (01/06/26)
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  • Principal Linux Systems Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …Accreditation process (under DCSA's STIG and/or JSIG requirements). + Experience with high -powered computing (HPC) systems . We offer flexible work arrangements, ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (01/06/26)
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