• Senior Information Systems Security…

    Parsons Corporation (Colorado Springs, CO)
    …in the space domain? We need your help. Our team is looking for a **Senior Information Systems Security Engineer ( ISSE )** . In this role you will get to ... to Connect (ATC) for all existing and new Information Systems (IS) that require accreditation to include on premise...the ISSM and/or government chain of command + Have expert knowledge of and hands on experience to configure… more
    Parsons Corporation (10/11/25)
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  • Secret Senior ISSE

    Insight Global (Belcamp, MD)
    …to support a large Army program. We are seeking a highly skilled Information Systems Security Engineer ( ISSE ) to lead hands-on implementation of ... and a working prototype with usage documentation by twelve months. The ISSE will collaborate closely with developers, security engineers, and program managers to… more
    Insight Global (11/20/25)
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  • ISSE

    System One (Reston, VA)
    …ONSITE Compensation: $200,000/year Join our dynamic team as an Information System Security Engineer ( ISSE ) and make a direct impact on our customer's mission. ... ISSE TS/SCI CI Poly required Reston, VA or...to ensure the availability and security of critical defense systems . You'll be a vital part of the Risk… more
    System One (12/26/25)
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  • Sr. ISSE TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …Unfortunately, no exceptions. Leidos has an exciting opportunity for a Senior Security Engineer to join a high performing agile team using the Scaled Agile Framework ... manage multiple system security plans for development, test and production systems following the Risk Management Framework (RMF); manage cross domain capabilities;… more
    Leidos (12/15/25)
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  • Senior Information Systems Security…

    Belay Technologies (Laurel, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Information Systems Security Engineer ( ISSE ) to join our intel team. The ISSE ... with multiple enclaves and with differing data protection/classification requirements. The ISSE builds IA into systems deployed to operational environments.… more
    Belay Technologies (12/08/25)
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  • Information Security Systems

    BAE Systems (Herndon, VA)
    …may be available based on position level and/or job specifics. **Information Security Systems Engineer - Expert ** **119131BR** EEO Career Site Equal ... **Required Education, Experience, & Skills** We are actively seeking an Information Systems Security Engineer ( ISSE ) with a minimum of 11 years' experience… more
    BAE Systems (12/10/25)
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  • Systems Engineer II - NC3 Programs

    RTX Corporation (Richardson, TX)
    …Defense's strategic command and control military aircraft recapitalization programs. As our next ** Systems Engineer II** and as a member of our Integrated ... Strategic Solutions Engineering ( ISSE ) team, you will be provided with the training...skills you will need to become a subject matter expert (SME) in the systems engineering lifecycle.… more
    RTX Corporation (12/23/25)
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  • Systems Engineer II - NC3 Programs…

    RTX Corporation (Richardson, TX)
    …Defense's strategic command and control military aircraft recapitalization programs. As our next ** Systems Engineer II** and as a member of our Integrated ... Strategic Solutions Engineering ( ISSE ) team, you will be provided with the training...skills you will need to become a subject matter expert (SME) in the systems engineering lifecycle.… more
    RTX Corporation (10/09/25)
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  • Mid/Senior Information Systems Security…

    Belay Technologies (Annapolis Junction, MD)
    …runner 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 ... verifying system security requirements and establishing system security designs for large-scale systems , major system elements, and interfacing systems that are… more
    Belay Technologies (11/06/25)
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  • OPTEVFOR - Senior Navy Qualified Validator (RMF-…

    Rigid Tactical (Norfolk, VA)
    …work with the designated Information Systems Security Manager ISSM Information Systems Security Engineer { ISSE } system owners, technical leads, and ... that directly ensures the operational security posture of US Navy IT systems . The successful candidate will apply advanced Risk Management Framework (RMF) expertise… more
    Rigid Tactical (11/01/25)
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