• Sr. Software Engineer

    Proofpoint (Sunnyvale, CA)
    **About Us:** Proofpoint is a global leader in human- and agent-centric cybersecurity . We protect how people, data, and AI agents connect across email, cloud, and ... of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values: **Bold** in.... Protection Starts with People. We're looking for an engineer who loves building from the ground up -… more
    Proofpoint (11/18/25)
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  • Associate Systems Engineer

    The MITRE Corporation (Bedford, MA)
    cybersecurity domains. Job Description: This is an opportunity for an Associate Systems Engineer with an interest in advancing and applying innovative ... the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference… more
    The MITRE Corporation (01/01/26)
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  • Staff Security Research Engineer

    Proofpoint (Portland, OR)
    cybersecurity . Protection Starts with People. **Staff Security Research Engineer ** **Your day-to-day** + Design and develop software using a variety ... About Us: We are the leader in human-centric cybersecurity . Half a million customers, including 87 of...capabilities using Chrome web driver + Analyze and Reverse Engineer JavaScript that fingerprints web browser artifacts to identify… more
    Proofpoint (12/18/25)
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  • Systems Engineer

    KBR (Springfield, VA)
    Title: Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions ... This is a contingent position based upon contract award. KBR is seeking a Mid-level Systems Engineer to support a government customer in Springfield, VA. The … more
    KBR (12/11/25)
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  • Senior Control Systems Engineer

    System One (Everett, WA)
    Job Title: Senior Control Systems Engineer Location: Everett, WA Type: Contract (yearlong) Compensation: $52 - $85 hourly Contractor Work Model: Onsite (Local ... retention. Familiarity with ASME NQA-1 standards a plus + Support the Responsible Test Engineer during shakedown and testing of control systems in an R&D… more
    System One (11/11/25)
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  • Systems Engineer - MBSE

    SURVICE Engineering (Dayton, OH)
    …programs and technologies that involve survivability, cybersecurity , information technology/management, software engineering, unmanned aerial systems (UASs), ... with a leading organization, come see what we can offer you! Position Systems Engineer - MBSE + Location: Dayton, Ohio + Security Clearance: Active Clearance or… more
    SURVICE Engineering (12/10/25)
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  • Cyber Quality Engineer

    Lockheed Martin (Grand Prairie, TX)
    …level or higher preferably in one of the following related disciplines - Cybersecurity Engineering, Information Systems Security, Information Assurance, ... Cybersecurity Assurance, Cyber Defense, Computer Engineering, Computer Information Systems , Computer Science, etc\. \- Ability to obtain a DoD Secret… more
    Lockheed Martin (11/26/25)
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  • Senior Systems Engineer - Enterprise…

    M. C. Dean (Vienna, VA)
    …secure cloud-hosted and on-premises environments. As part of the team, the **Senior Systems Engineer ** 's responsibilities will include (but will not be limited ... Development of **detailed technical and performance specifications** for mission-critical information technology solutions based on business needs, operational requirements,… more
    M. C. Dean (11/28/25)
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  • Systems Engineer

    SAIC (Washington, DC)
    …GSEC, CISSO, CISSP-ISSAP, CISSP-ISSEP, GCIA, GCLD, GICSP. + Bachelors degree in IT, Cybersecurity , Computer Science, Information Systems , Data Science, or ... contract award, with an anticipated decision expected by Winter/ Spring 2026.** The ** Systems Engineer ** responsibilities include, but are not limited to: +… more
    SAIC (11/01/25)
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  • Systems , Integration, and Test (SEIT)…

    Leidos (Huntsville, AL)
    **Description** The Defense Systems Sector, is seeking a talented ** Systems , Integration, and Test (SEIT) Engineer Intern** to join a diverse team to create ... Dynetics provides responsive, cost-effective engineering, scientific and IT solutions. The ** Systems , Integration, and Test (SEIT) Engineer Intern** will work… more
    Leidos (12/03/25)
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