• Senior Cyber Security SME

    Steampunk (Mclean, VA)
    … Information System Security Professional (CISSP) + Certified Information Systems Auditor (CISA) + Certified Ethical Hacker (CEH) **Preferred Skills** ... **Contributions** The **ISSO Team Lead** serves as a Lead Cyber Security Specialist and will perform level...of reports to higher authority concerning sensitive and/or national security information systems . **Qualifications** **Job… more
    Steampunk (07/02/25)
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  • Principal Cyber Security Developer

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Principal Cyber Security Developer** to join our team in **Chantilly, VA.** Principal Cyber ... Security Developers ensure excellence in the development and delivery of cyber security software solutions. They actively develop, test, and deploy… more
    ManTech (07/04/25)
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  • Cyber Security Expert III (A)

    SimIS Inc. (Virginia Beach, VA)
    …candidate performs the following specific assignments: + Minimum 10 years of experience in cyber security + Support the PM and provide direction for complex ... Are: Founded in 2007, SimIS Inc. is an innovative information technology solution Veteran Owned Small Business (VOSB) that...technical programs + Leads cyber security initiatives and provides technical direction… more
    SimIS Inc. (06/12/25)
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  • Senior Cyber Security Engineer

    CACI International (Chantilly, VA)
    Senior Cyber Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... advancement. We're seeking a motivated, career and customer-oriented Senior Cyber Security Engineer to join our diverse...team in Chantilly, VA. **Responsibilities:** + Update and validate system security requirements and designs + Perform… more
    CACI International (06/18/25)
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  • 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 ... endpoint protection platforms, and encryption services. + Developing and updating comprehensive security documentation, such as System Security Plans (SSPs),… more
    ManTech (07/12/25)
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  • Cyber Systems Engineer

    ManTech (Herndon, VA)
    …Detection and Response (EDR) solutions, Digital Forensics platforms, and Security Information and Event Management (SIEM) systems (Splunk, Elk or similar) ... Mantech seeks a highly technical and mission focused ** Cyber Systems Engineer** to join our...of experience with Operating Systems , Network Infrastructure, Security Principles, and System Architecture **Preferred Qualifications:**… more
    ManTech (07/26/25)
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  • ​​Network Engineer​

    Leidos (Ashburn, VA)
    … cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area ... workstations. The CBP SOC is responsible for the overall security of CBP Enterprise-wide information systems...+ Bachelor's degree in computer science, Engineering, Software Development, Information Technology, Cyber Security , or… more
    Leidos (06/19/25)
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  • Cyber Systems Administrator

    Serco (Langley AFB, VA)
    **Position Description** Serco seeks a ** Cyber Systems Administrator** to maintain and troubleshoot computer systems using commercial off-the-shelf (COTS) ... **Langley Air Force Base** in **Hampton, Virginia** . The Cyber Systems Administrator will operate and maintain...will:** + Operate system & software configuration, system imaging, networking, security technical implementation guide… more
    Serco (07/18/25)
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  • Cyber Network Defense Analyst III

    Nightwing (Sterling, VA)
    …Elastic- Proficiency conducting all-source research. Required Education: BS Computer Science, Cyber Security , Computer Engineering, or related degree; or HS ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and...of developing an intrusion narrative - Collect and document system state information (eg running processes, network… more
    Nightwing (05/02/25)
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  • Cyber Network Defense Analyst IV AP

    Nightwing (Sterling, VA)
    …Splunk- Proficiency conducting all-source research. Required Education: BS Computer Science, Cyber Security , Computer Engineering, or related degree; or HS ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and...of developing an intrusion narrative - Collect and document system state information (eg running processes, network… more
    Nightwing (05/10/25)
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