• Specialist Systems Engineering

    L3Harris (Yorba Linda, CA)
    …Engineering with accreditation experience required. + One year of experience with hardening Linux and Windows based operating systems . + One year Experience with ... in the interest of national security. Job Title: Specialist, Systems Engineering Job Number: 31974 Job Location: Yorba Linda,...played a key role in the most successful defense system of modern history. With sites in Yorba Linda,… more
    L3Harris (12/12/25)
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  • FAST Labs - Senior Principal Software Engineer

    BAE Systems (Merrimack, NH)
    …**Join the Cutting-Edge Research and Development Team in FAST Labs** The BAE Systems ' FAST Labs team conducts research and development in the following areas to ... as Cloud Native Technologies (eg, Kubernetes, Harbor, Helm) and real-time operating systems (RTOS). + **Driving agile development processes** : Participate in agile… more
    BAE Systems (11/14/25)
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  • Platform Engineer - Operationalizing AI

    Precise Systems, Inc. (San Diego, CA)
    As a solutions-based company, Precise Systems is focused on innovation in support of the warfighters and aligning our expertise to deliver the highest quality of ... workforces, we provide expert consultation on network and weapons systems acquisition programs, maintenance/modernization programs, and sustainment programs with… more
    Precise Systems, Inc. (10/26/25)
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  • Mid-Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …Configure, manage, secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, ... with us! Job Summary: We are seeking a skilled Systems Administrator/Network Engineer to join our mission-driven team. This...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active… more
    Infinity Systems Engineering (01/03/26)
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  • Multi-Functional Info Systems Analyst…

    Lockheed Martin (Greenville, SC)
    …Applying updates, anti\-virus/anti\-spyware updates, and patch updates * Red Hat Enterprise Linux System Administrator * Importing/Exporting large data volumes * ... Join the Lockheed Martin Aeronautics Field Sustainment Team as a Multi\-Functional Info Systems , Database Administrator\! This role is in support of the Italy Final… more
    Lockheed Martin (12/10/25)
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  • Information Systems Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Warner Robins, GA)
    …environments such as AWS + Experience with Agile methodologies + Experience with Operating Systems , including Linux , UNIX, Ubuntu, or Red Hat + Ability to apply ... Information Systems Security Engineer The Opportunity: Are you looking...looking for an opportunity to share your experience in system security engineering to help our country and assist… more
    BOOZ, ALLEN & HAMILTON, INC. (01/13/26)
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  • Information Systems Security Manager (ISSM)

    Kratos Defense & Security Solutions, Inc. (Crane, IN)
    …relating to information system security; experience administering Windows and Linux operating systems , experience with large-scale server systems , ... + Review and implement DD254 requirements of all classified systems + Maintain eMASS account and provide system... systems + Maintain eMASS account and provide system awareness for all approved ATO's Required Experience: EDUCATION… more
    Kratos Defense & Security Solutions, Inc. (01/16/26)
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  • Lead, RF Systems Engineer

    L3Harris (Rochester, NY)
    …in the most demanding operational environments. Essential Functions: + Lead networking system design for next-generation communication products and systems . + ... Skills: + Experience with LAN routing/switching protocols and standards. + Experience in Linux operating systems . + Active US DoD Secret Clearance or ability… more
    L3Harris (01/09/26)
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  • Trading Systems Operations Engineer (USA)

    Trexquant Investment (Stamford, CT)
    … operations engineer + Strong quantitative analytical skills + Proficiency in Linux /Unix system administration and scripting languages (eg, Python, Shell). + ... a Production Engineer to join our team. The Trading Systems Operations Engineer is a vital role in supporting...and resolve potential issues to minimize downtime and optimize system efficiency. + Respond promptly to system more
    Trexquant Investment (12/11/25)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …of directly related experience in systems administration and analysis. + UNIX/ LINUX System Administration - Preferred + Windows System Administration ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** System Administration,Technical Work,Troubleshooting **Certifications:** CompTIA Security+ CE | CompTIA… more
    General Dynamics Information Technology (12/02/25)
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