• 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 and resiliency, vulnerability research, ubiquitous… more
    Upward (07/25/25)
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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 each site by working with the Information Security Offices to design, implement, and support defensive ...data. The ideal candidate will have deep expertise in cyber threat research, vulnerability assessment, and secure software development… more
    Leidos (05/24/25)
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  • Cyber Security Engineer

    Leidos (Springfield, VA)
    **Description** We are seeking a Cyber Security Engineer who is responsible for developing and implementing advanced security solutions to defend ... cyber exploits. This role will support the NRO cyber operations group or Industrial Control Systems...to critical mission systems. + Design and implement defensive cyber security solutions to protect data, networks,… more
    Leidos (05/24/25)
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  • Cyber Security Detections…

    McIntire Solutions (Springfield, VA)
    Security Detections Engineer Seeking a motivated, career and customer-oriented Cyber Security Engineer , Senior to join our team in Springfield, VA, ... area. Responsibilities include, but are not limited to: * Support Cyber Operations Squadron (COS) activities to publish up-to-date cybersecurity tool signatures… more
    McIntire Solutions (05/29/25)
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  • Cyber Security Engineer (SME)

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for Cyber Security Engineer SME in our **National Security Sector's (NSS) Cyber & ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...systems and networks from potential cyber -attacks. The Cyber Security Engineer must display… more
    Leidos (06/11/25)
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  • Cyber Security Engineer

    Shuvel Digital (Arlington, VA)
    Title: Cyber Security Engineer Type:...and aspects of the information system and perform day-to-day security operations , as well as, Operations ... and DHS suitability prior to starting employment. Description: The successful Cyber Security Engineer applies current analytical and logical thinking to… more
    Shuvel Digital (06/26/25)
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  • Hybrid Cyber Security

    Shuvel Digital (Arlington, VA)
    Hybrid Cyber Security Engineer Type:...and aspects of the information system and perform day-to-day security operations , as well as, Operations ... each year of degree level education. Rate: Market Description: The successful Cyber Security Engineer applies current analytical and logical thinking to the… more
    Shuvel Digital (06/26/25)
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  • Debian System Engineer - Cyber

    CACI International (Chantilly, VA)
    Debian System Engineer - Cyber Operations Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... and become an integral part of our dynamic Cyber Operations team. In this role, you...with polygraph + Background in Computer Science, Information Technology, Cyber Security , Cyber Forensics, Engineering,… more
    CACI International (07/25/25)
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  • Cyber Security Engineer

    Nightwing (Herndon, VA)
    …TS/SCI with Polygraph Required Day 1** Nightwing is seeking talented candidates for a Cyber Security Engineer to support a global program based in ... Nightwing provides technically advanced full-spectrum cyber , data operations , systems integration and...and outreach across multiple customer environments such as IT, Cyber , Security , and Operational. * Demonstrated experience… more
    Nightwing (06/24/25)
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  • Cyber Security Engineer

    Acclaim Technical Services (Reston, VA)
    …top workplace among DC area firms and continues to grow. We are actively hiring a Cyber Security Engineer to join our Mission Technology Division working in ... Technical Services, founded in 2000, is a leading language, operations , and technology services company supporting a wide range...systems and networks from potential cyber -attacks. The Cyber Security Engineer must display… more
    Acclaim Technical Services (07/23/25)
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  • Cyber Security Engineer

    General Dynamics Information Technology (Arlington, VA)
    …week.** **Additional on-site support may be required based on customer direction.** **How the Cyber Security Engineer will make an impact:** **.** **Designs ... through formal verification methods with specific emphasis on network and cyber operations .** **.** **Maintain coordination with customers and stakeholders… more
    General Dynamics Information Technology (06/05/25)
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  • Cyber Network Security

    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: ... analysis, performance characterization (eg Wireshark, TCPdump, etc.). + Understanding of network/ cyber security , penetration testing, and information security more
    CACI International (05/08/25)
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  • Cyber Security Engineer

    Leidos (Bethesda, MD)
    **Description** Leidos has an exciting opening for you, our next **TS/SCI Cyber Security Engineer ** working across several Task Orders under the DOMEX ... that values innovation, collaboration, and professional development. As a Cyber Security Engineer , your job...hardware and software systems + Experience developing and reviewing security concept of operations , systems security more
    Leidos (07/11/25)
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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 ... security clearance requirements (delete if not needed) Cyber Security Engineer Springfield, VA...+ Daily CSOC Significant Activity Report + Daily CSOC Operations Update + Weekly CSOC Status Report + Serve… more
    System One (07/25/25)
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  • Cyber Security Engineer

    SAIC (Reston, VA)
    …& Intel Business Group, USG Mission and Information Technology Division, is seeking a ** Cyber Security Engineer ** to provide information security ... of deployed infrastructure and technical solutions, in addition to day to day security operations . + Desired Skills: + Demonstrated experience with Rapid7,… more
    SAIC (06/27/25)
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  • Cyber Security Project…

    Acclaim Technical Services (Mclean, VA)
    …top workplace among DC area firms and continues to grow. We are actively hiring a Cyber Security Project Engineer with TS/SCI clearance and polygraph to join ... Technology and Solutions Business Unit, working in Mclean, VA. Cyber Operations - Incident Response + Strong... - Incident Response + Strong knowledge of cloud security principles and experience with cloud platforms like AWS,… more
    Acclaim Technical Services (06/19/25)
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  • Principal Cyber Security

    ManTech (Chantilly, VA)
    **Mantech** seeks a motivated and customer-focused **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help ... and sustain mission-driven cybersecurity solutions that enable secure enterprise operations . You will provide technical leadership and hands-on expertise.... Bachelor's degree, or an additional 4+ years of cyber experience in lieu of a degree . 7+… more
    ManTech (06/28/25)
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  • Senior Cyber Security

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** **Responsibilities ... include but are not limited to:** + Maintain operations of identity and access management services including directory,...+ Perform Linux based system upgrades and patches + Engineer and deployment of a privileged access management (PAM)… more
    ManTech (06/04/25)
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  • Senior Specialist, Systems Engineer

    L3Harris (Springfield, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Specialist, Systems Engineer - Cyber Planning (Active ... for a Senior Specialist, Systems Engineer - Cyber Planner supporting a critical national security ...role involves contributing to cross-functional planning efforts to ensure cyber operations are effectively synchronized across all… more
    L3Harris (07/02/25)
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  • Cyber Threat Intelligence Engineer

    CACI International (Springfield, VA)
    …team player and facilitate a collaborative work environment _Desired:_ * Master's Degree * Security Operations Center (SOC) experience - ** ** **What You Can ... Cyber Threat Intelligence Engineer Job Category:...will play a crucial role in identifying and mitigating cyber threats, enhancing NGA's security posture, and… more
    CACI International (06/27/25)
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