• Senior Cyber Security Engineer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated and mission-focused **Senior Cyber Security Engineer ** to join our team in **Herndon, Virginia** . In this role, you will contribute to ... in compliance with NIST, DoD, and federal civilian guidelines. + Managing vulnerability assessment and remediation activities using tools such as Tenable, Qualys, or… more
    ManTech (07/12/25)
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  • Application Security Engineer , Security…

    Amazon (Arlington, VA)
    …both internally and externally. The Amazon SE3 team is looking for a Security Engineer to help build and grow security operations and tooling to address both deeply ... customers on risk assessment, incident triage, threat modeling, and security vulnerability mitigation. . Implement information security controls and patterns that… more
    Amazon (06/26/25)
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  • Security Engineer

    ManTech (Herndon, VA)
    ManTech seeks a motivated, career and customer-oriented **Security Engineer ** to join our team in **Herndon, VA** to design, implement, and maintain secure ... solutions across classified and unclassified environments. + Perform risk assessments, vulnerability scans, and system hardening in compliance with NIST 800-53 and… more
    ManTech (06/19/25)
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  • Network Engineer

    Nightwing (Arlington, VA)
    …include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission ... the restoration of services. Nightwing is seeking a motivated network engineer to implement, maintain and support the lab network infrastructure. Responsibilities:… more
    Nightwing (05/17/25)
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  • Senior Systems Engineer

    GovCIO (Fairfax, VA)
    **Overview** GovCIO is currently hiring for a Senior Systems Engineer with an active Secret clearance to provide administration and tier 3 operational support for ... Support customer Active Directory domains to include user account management and Group Policy troubleshooting. + Provide effective provisioning,… more
    GovCIO (08/02/25)
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  • Plant Engineer

    Nightwing (Sterling, VA)
    …include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission ... civil, and commercial markets. Nightwing is seeking a dedicated and detail-oriented Plant Engineer to join our team and drive the optimization of our industrial… more
    Nightwing (07/24/25)
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  • Navy Qualified Validator (NQV) Security…

    Leidos (Dahlgren, VA)
    …Challenge?** Leidos is seeking a **Navy Qualified Validator (NQV) Security Engineer ** with an active **Secret** clearance and direct Validator experience utilizing ... **Validation Services** and **Sustainment Support** for IT Systems/Networks Risk Management Framework (RMF) security authorization packages. Your work will ensure… more
    Leidos (07/22/25)
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  • Civil/Industrial Engineer - Senior

    SOS International LLC (Reston, VA)
    Overview SOSi is seeking a Senior level Civil/Industrial Engineer (Scientific Support) to provide expertise on civil and industrial engineering aspects of foreign ... / limitation analysis, reverse engineering analysis / characterizations, facility and vulnerability assessments. This includes, but not limited to: Civil /… more
    SOS International LLC (07/18/25)
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  • Nuclear Engineer - Senior

    SOS International LLC (Reston, VA)
    Overview SOSi is seeking a Senior level Nuclear Engineer (Scientific Support). to be part of a unique, multi-discipline team assisting partners to fuse operations ... as reverse engineering analysis. You will also conduct facility and vulnerability assessments on foreign nuclear capabilities. Develop innovative analytic and… more
    SOS International LLC (07/18/25)
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  • Nuclear Engineer - Mid-Level

    SOS International LLC (Reston, VA)
    Overview SOSi is seeking a Mid-level Nuclear Engineer (Scientific Support) to be part of a unique, multi-discipline team assisting partners to fuse operations and ... engineering research and reverse engineering analysis. Conduct facility and vulnerability assessments on foreign nuclear capabilities. Develop innovative analytic… more
    SOS International LLC (07/18/25)
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