• Sr . Systems Administrator - Secret…

    Lockheed Martin (King Of Prussia, PA)
    …devices \-Patch and harden Windows and Linux \(Red Hat\) and networking systems with Security personnel to protect against Cyber Threats Please ... **Who We Are** As part of the C4ISR Weapons Platform Integration \(WPI\) team, you will support the on\-site...system administration for Linux \(RHEL\) and Windows operating systems . Proven ability to install, secure \(harden\), and… more
    Lockheed Martin (10/29/25)
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  • Sr . Product Support Engineer

    Sierra Nevada Company, LLC (Fort Bliss, TX)
    …deployment of system upgrades to such as technical refresh of systems , technical installation of major hardware/software upgrades, system error detection and ... If you have an affinity for complex technical systems , excellent communication and product troubleshooting skills, and...may have the perfect role for you! As a Sr Product Support Engineer, you will be using your… more
    Sierra Nevada Company, LLC (12/18/25)
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  • Sr . Security Research Engineer

    Proofpoint (Raleigh, NC)
    …problem-solving **Exceptional** in execution and impact **Corporate Overview** In today's cyber threat landscape, protection starts with people. At Proofpoint, that ... for protecting users, the data they create, and the systems they rely on from a uniquely people-centric perspective....helping to: + Build and enhance our proven security platform + Blend innovation and speed in a constantly… more
    Proofpoint (12/09/25)
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  • Sr . Java Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr .** **Java Developer** in our **National Security Sector's (NSS) Cyber & Analytics ... provides Agile development and operations and maintenance for mission critical systems . Based in DevOps framework, this role participates in major deliverables… more
    Leidos (12/13/25)
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  • Sr . Java Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr .** **Java Developer** in our **National Security Sector's (NSS) Cyber & Analytics ... provides Agile development and operations and maintenance for mission critical systems . Based in DevOps framework, this role participates in major deliverables… more
    Leidos (12/13/25)
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  • Sr . Cloud Engineer - Azure

    General Dynamics Information Technology (Fairfax, VA)
    …how our customers operate while you advance your career. Join GDIT as a ** Senior Cloud Engineer** and build an impactful career in enterprise IT, collaborating with ... driven and resourceful like you. Deliver simple solutions to complex problems as a Sr . Azure Cloud Engineer at GDIT. You'll design, build, and optimize Azure cloud… more
    General Dynamics Information Technology (11/14/25)
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  • Sr Systems Engineer (Contingent Upon…

    Sierra Nevada Company, LLC (Sparks, NV)
    …at SNC-advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our ... team! As a Systems Engineer, you will be using your skills and...cutting edge products and services. You'll be developing complex system architectures within contextual modeling platforms, ushering them from… more
    Sierra Nevada Company, LLC (12/24/25)
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  • Sr . QA Automation Engineer

    Proofpoint (Pittsburgh, PA)
    …threats, safeguard their data, and make their users more resilient against cyber -attacks. Leading organizations of all sizes, including more than half of the ... Starts with People. Proofpoint's ZenGuide team is looking for ** Sr . QA Automation Engineer.** The candidate will test all...and managed by our customers on our proprietary SaaS platform . The ideal candidate is enthusiastic to work with… more
    Proofpoint (11/22/25)
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  • Sr . Full Stack Developer

    Leidos (Bethesda, MD)
    …structured analysis and design methodologies + Experience working on the customer's systems + Understanding of the customer's system development policies ... **Leidos** has a new and exciting opportunity for a ** Sr . Full Stack Developer** in our **National Security Sector's...Full Stack Developer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented… more
    Leidos (11/07/25)
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  • Sr . Cloud Engineer - Secret clearance…

    CGI Technologies and Solutions, Inc. (Columbia, MD)
    ** Sr . Cloud Engineer - Secret clearance REQUIRED** **Category:** Software Development/ Engineering **Main location:** United States, Maryland, Columbia **Position ... desired: Information Technology, Data Science, Computer Science, Cybersecurity, Information Systems , or Software Engineering. However, 4 years of additional relevant… more
    CGI Technologies and Solutions, Inc. (12/17/25)
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