• Cleared Senior Information Systems

    Virtual Service Operations (Lorton, VA)
    …enterprise services and cyber network defense capabilities. As aSenior Information System Security Engineer (ISSE), you will provide expert engineering ... Cleared Senior Information Systems Security Engineer (ISSE)...able to lead, guide and mentor the other Information System Security Engineers + Must have Network… more
    Virtual Service Operations (11/09/25)
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  • Principal Endpoint Security Systems

    Leidos (Bethesda, MD)
    Security !** **Job Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security Engineering ... Systems Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business...through emails that are generated by the Leidos.com automated system - never from free commercial services (eg, Gmail,… more
    Leidos (11/28/25)
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  • Lead, Information Systems Security

    L3Harris (Greenville, TX)
    … domains in the interest of national security . Job Title: Lead, Information Systems Security Engineer Job Code: 31728 Job Location: Greenville, Texas ... integration of systems and networks to maintain system security . Works closely with Government customers...Certified Information Security Manager (CISM), Certified Information Security Auditor (CISA), Certified Cyber Security more
    L3Harris (12/06/25)
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  • Information System Security

    Electrosoft (Belleville, IL)
    Information System Security Engineer Posted: 09/16/2025 Electrosoft Services, Inc. is an award-winning company that provides comprehensive technology-based ... in the many benefits and opportunities we offer. Information System Security Engineer (Risk &...write white papers, blog posts, or articles on emerging cyber threats, security trends, and best practices.… more
    Electrosoft (12/16/25)
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  • Lead System Security Engineer

    Guidehouse (Bethesda, MD)
    …**4. Process Maturity** + Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per NIST SP 800-37. + ... develop a matrix of cybersecurity responsibilities for each FISMA system . **6. Review** + Conduct security control...functional tests. + 3+ years of experience as IT system administrator or engineer . Experience can include:… more
    Guidehouse (11/19/25)
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  • Specialist, Info Security Systems

    L3Harris (Broomfield, CO)
    …domains in the interest of national security . Job Title: Specialist, Information Security Systems Engineer Job Code: 31060 Job Location: Boulder/North ... integration of systems and networks to maintain system security . Works closely with Government customers...SysML, UAF). + Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS… more
    L3Harris (11/12/25)
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  • Lead, Info Security Systems

    L3Harris (Clifton, NJ)
    cyber domains in the interest of national security . Job Title: Information Security Systems Engineer Job Code: 25826 Job Location: Clifton, NJ Job ... integration of systems and networks to maintain system security . Throughout the lifecycle of ...systems . + Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS… more
    L3Harris (12/17/25)
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  • Senior Security Systems

    Imagine One Technology & Management (Dahlgren, VA)
    …, military system specifications, DoD Cybersecurity policies for both land-based, afloat/tactical systems , or System Security Plan (SSP) CSSE, and the ... Technology & Management, Ltd. is seeking two (2) **Senior Security Systems Engineers** . These positions are... design, developing engineering documentation, application of Model Based System Engineering (MBSE), cyber testing, cyber more
    Imagine One Technology & Management (12/24/25)
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  • System Security Engineer

    Guidehouse (Bethesda, MD)
    **Job Family** **:** IT Cyber Security **Travel Required** **:** Up to 25% **Clearance Required** **:** Ability to Obtain Public Trust **What You Will Do** **:** ... + Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per... Center). + 1+ years of experience as IT system administrator or engineer . Experience can include:… more
    Guidehouse (11/19/25)
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  • Cloud Information Systems Security

    CGI Technologies and Solutions, Inc. (Washington, DC)
    **Cloud Information Systems Security Engineer (ISSE) - Sr** **Category:** Cyber Security **Main location:** United States, District of Columbia, ... Federal is currently looking for a Senior-Level Cloud Information Systems Security Engineer with active...systems for security implications. * Evaluate Security Requirements Traceability Matrixes (SRTMs), System more
    CGI Technologies and Solutions, Inc. (12/24/25)
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