• Information Systems Security…

    Nightwing (Sterling, VA)
    …and commercial markets. Nightwing is seeking a highly skilled and motivated Information Systems Security Engineer ( ISSE ) to join our DevSecOps team in ... Herndon. The ISSE will work closely with cross-functional teams to ensure...all system lifecycle phases. + Stay current with emerging security threats and technologies. Mandatory Skills + ** TS… more
    Nightwing (12/30/25)
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  • Information System Security Engineer…

    BOOZ, ALLEN & HAMILTON, INC. (Lexington, MA)
    … Security Engineer , Senior Key Role: Maintain responsibility for all Information Systems Security Engineer ( ISSE ) duties in support of Department of ... + 5+ years of experience as an Information Systems Security Engineer + 5+ years of experience...& A package development in eMASS or Xacta + Top Secret clearance + Bachelor's degree Additional… more
    BOOZ, ALLEN & HAMILTON, INC. (12/22/25)
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  • Information Systems Security…

    Amentum (Fort Meade, MD)
    …end of new products and processes. **Responsibilities:** The **Senior Information Systems Security Engineer ( ISSE )** shall deliver and lead threat-informed ... no further. Amentum is seeking a **Principal Information Systems Security Engineer ** to join our team of...rapid acquisition programs **Clearance Required:** * Must have active Top Secret clearance with SCI eligibility **Minimum… more
    Amentum (10/23/25)
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  • Mid/Senior Information Systems Security…

    Belay Technologies (Annapolis Junction, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is Mid/Senior Information Systems Security Engineer ( ISSE ) to join our intel team. The selected ... working in these areas: + Validating and verifying system security requirements and establishing system security designs...testing of relevant type 1 devices. Preferred Qualifications: + TS /SCI Clearance with polygraph within the last 6 yrs.… more
    Belay Technologies (11/06/25)
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  • Engineer IV

    General Atomics (Englewood, CO)
    …space systems solutions. **DUTIES AND RESPONSIBILITIES:** + Serve as an Information Systems Security Engineer ( ISSE ) for one or more development programs. ... defense, civil, commercial, and academic mission requirements. We're seeking a Space Systems Cyber Security Engineer to join our team in Englewood, CO. In this… more
    General Atomics (12/11/25)
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  • Senior Principal Cyber Systems Engineer

    Serco (Orlando, FL)
    … security solutions using Artificial Intelligence (AI) + Possess an active DoD Top Secret security clearance If you are interested in supporting ... this role, you will have: + An active DoD Secret Clearance with ability to obtain TS /SCI...Guidance (JSIG) + Prior experience as an Information Systems Security Engineer ( ISSE ) + Possess… more
    Serco (01/03/26)
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  • Intel Security Specialist

    TekSynap (Virginia Beach, VA)
    …updates. + Support RMF Step 5 authorizations in the role of an Information System Security Engineer ( ISSE ) or Information System Security Officer (ISSO). ... with Navy and DoD policies. **REQUIRED QUALIFICATIONS** + Active TS /SCI security clearance + Bachelor of Science...entries. + Supporting RMF Step 5 authorizations as an ISSE or ISSO. + Communicating risk reduction strategies to… more
    TekSynap (12/30/25)
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  • Data Team Lead - TS /SCI w/Poly

    Parsons Corporation (Annapolis Junction, MD)
    …to** oversee our Information System Security Officer (ISSO) and Information System Security Engineer ( ISSE ) functions, manage the overall cloud data ... data governance, and experience leading data efforts + Active TS /SCI w/Poly **What Desired Skills You'll Bring:** + Experience...Cloud certifications ** Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security … more
    Parsons Corporation (12/30/25)
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  • ISSE with DoD Top Secret…

    Watershed Security (Norfolk, VA)
    …Watershed Security is seeking a highly skilled and motivated Information Systems Security Engineer to join our team supporting the Naval Information Warfare ... + Responsible for building, maintaining, and patching all ePO, Security Center, and Nessus servers. + Provides Security...Harden and implement applicable STIGs. REQUIRED QUALIFICATIONS + DoD Top Secret Clearance + Bachelor of Science… more
    Watershed Security (10/31/25)
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  • ISSE Senior - with TS /SCI Poly

    Amentum (Columbia, MD)
    …will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. As the Senior ISSE on a dynamic ... so, look no further. Amentum is seeking a **Senior ISSE ** to join our team of passionate individuals in...Security regulations, publications, and policy **Clearance Required:** * TS /SCI w/ Poly **Minimum Years of Experience:** * Fourteen… more
    Amentum (10/14/25)
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