• Security Control Assessor (SCA) - Level 4

    Parsons Corporation (Chantilly, VA)
    …processing systems. + Technical understanding of information technology systems, software , and networks. ** Security Clearance Requirement:** An active ... in applicable ICDs and guidance. + Performing, developing, and implementing security related directives and guidance for IA/IT/IM. + Experience utilizing risk… more
    Parsons Corporation (12/23/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    …in large-scale enterprise networks and data centers. + Familiarity with enterprise security software products such as firewalls, IPS, antivirus tools, ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer** to join our team in **Chantilly, VA.** This role supports a… more
    ManTech (12/13/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …network deployments and data centers + Experience deploying and/or supporting enterprise security software products such as firewalls, IPS, anti-virus solutions, ... **MANTECH** seeks a motivated, career and customer-oriented **Principal Cyber Security Engineer** to join our team in **Chantilly, VA.** This role supports the… more
    ManTech (12/13/25)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …and data centers + Hands-on experience deploying and/or supporting enterprise security software products such as firewalls, IPS, Anti-Virus solutions, ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer** to join our team in **Chantilly, VA.** This role supports… more
    ManTech (12/13/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    …Authorization (A&A). Provides configuration management (CM) expertise for information system security software , hardware, and firmware and coordinates with ... Department Summary: The Cybersecurity Risk Management Department (R311) within the Global Security Services Division (R300) is looking to fill a Senior Information… more
    The MITRE Corporation (12/18/25)
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  • Sr. Information Security Consultant

    Guidehouse (Reston, VA)
    security , resilience, and dependability requirements + Verify that application software /network/system security postures are implemented as stated, document ... Do** **:** Guidehouse has an opportunity for a cleared Sr. Information Security Consultant to leverage their understanding of IC/DOD Risk Management Frameworks… more
    Guidehouse (11/19/25)
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  • Solution Architect

    CACI International (Ashburn, VA)
    …profiling, benchmarking, and code optimization techniques. + Awareness of common software security vulnerabilities and strategies to mitigate them, such ... of industry-leading individuals supporting the best practices in Agile Software Development for the Department of Homeland Security... Software Development for the Department of Homeland Security (DHS). As a member of the BEAGLE ASF… more
    CACI International (12/16/25)
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  • Fire Alarm College Return Engineer Internship…

    M. C. Dean (Vienna, VA)
    …team-oriented and collaborative workplace environment with specific applications in Power, Mechanical, Security , Systems and Software . The work that shapes you, ... management automation & controls; and efficiency dashboarding and reporting applications software . + Security Engineering - Specific technology disciplines… more
    M. C. Dean (12/10/25)
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  • Secure Software Assessment SME

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **SECURE SOFTWARE ASSESSMENT SME** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ID:** J1225-1588 **Employment ... Assessment Subject Matter Expert (SME) to ensure the security of our software applications through robust secure coding practices and comprehensive code… more
    CGI Technologies and Solutions, Inc. (12/18/25)
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  • Sr. Software Engineer

    Leidos (Arlington, VA)
    …environment (DISA experience is a plus), including experience building and deploying software applications that meet DoD security standards and updating ... scans and security implementation guidelines (eg STIGs). + Experience developing software on a Linux platform (RHEL 9), including experience working in a UNIX… more
    Leidos (11/09/25)
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