• Cyber Security Engineer

    Leidos (Springfield, VA)
    …expertise in both software and hardware to support the design and deployment of defensive cyber measures. The engineer conducts research on current and ... cyber exploits. This role will support the NRO cyber operations group or Industrial Control Systems...risks to critical mission systems. + Design and implement defensive cyber security solutions to protect data,… more
    Leidos (05/24/25)
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  • Senior Specialist, Systems Engineer…

    L3Harris (Springfield, VA)
    … operations (land, air, sea, space, cyber ). + Coordinate offensive and defensive cyber operations with mission stakeholders. + Identify, assess, and ... The role involves contributing to cross-functional planning efforts to ensure cyber operations are effectively synchronized across all mission domains.… more
    L3Harris (07/02/25)
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  • Cyber Security Engineer

    System One (Springfield, VA)
    Job Title: Cyber Security Engineer Location: Springfield, VA Type: Contract To Hire Compensation: Contractor Work Model: Onsite Hours: Add the job's scheduled ... not needed) Security Clearance: List security clearance requirements (delete if not needed) Cyber Security Engineer Springfield, VA TS/SCI $135k What You'll Get… more
    System One (08/03/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... * * * **The Opportunity:** You will support our work automating cybersecurity operations , emulating adversary behavior, and improving the defensive postures of… more
    CACI International (05/08/25)
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  • Cyber Software Engineer

    Leidos (Arlington, VA)
    …high-impact environment requiring deep knowledge of network stacks, system internals, and offensive/ defensive cyber techniques. As a senior member of the team, ... **Description** Are you a motivated ** Cyber Software Engineer ** with technical hands-on...mentor junior engineers, and contribute to knowledge transfer within cyber operations teams. + Lead efforts to… more
    Leidos (05/08/25)
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  • Security Engineer

    Leidos (Chantilly, VA)
    **Description** We are seeking a highly skilled Cyber Security Engineer supporting the NRO cyber operations group or Industrial Control Systems group at ... cyber threats. **Primary Responsibilities:** + Design and implement defensive cybersecurity solutions using a combination of software and hardware tools… more
    Leidos (05/24/25)
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  • Information Systems Security Engineer

    KBR (Arlington, VA)
    …following domains: vulnerability analysis and vulnerability management, SIEM operations and defensive cyber operations , system hardening and cyber ... Title: Information Systems Security Engineer Belong. Connect. Grow. with KBR! KBR's National...multiple classifications, including vulnerability analysis, SIEM operations , cyber network defense, cyber operations ,… more
    KBR (06/14/25)
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  • Network Emulation Engineer

    CACI International (Chantilly, VA)
    …sponsors** **Be part of a department with an expanding range of programs focusing on Cyber Operations , where you get to grow on and between programs with peers ... * * * **The Opportunity** **:** **Support our work automating cybersecurity operations , emulating adversary behavior, and improving the defensive postures of… more
    CACI International (07/29/25)
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  • Senior Scientist, Systems Engineer

    L3Harris (Herndon, VA)
    …to develop and implement SDR solutions for satellite communications. + Offensive and defensive Cyber mission experience with the ability to identify core mission ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job...interest of national security. Job Title: Senior Scientist, Systems Engineer Job Code: 25385 Job Location: Herndon, VA Job… more
    L3Harris (07/09/25)
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  • Field Engineer - Travel

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations , systems integration and intelligence mission support services to meet our ... customers' most demanding challenges. Our capabilities include cyber space operations , cyber defense...Security. Personnel may be required to carry weapons for defensive purposes. Customer specific training is required and will… more
    Nightwing (07/15/25)
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