• Senior Information System Security

    ManTech (Chantilly, VA)
    **MANTECH** seek a motivated, career and customer-oriented **Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico, ... Security Professional (CISSP) (or Associate), CompTIA Advanced Security Practitioner (CASP) CE, Certified Secure Software ...a US citizen and have a current/active Top Secret security clearance with SCI eligibility. + Applicant… more
    ManTech (01/01/26)
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  • Senior Cyber Security Engineer

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

    TekSynap (Chantilly, VA)
    … Engineerto join our team supporting the Space Development Agency. The Information Systems Security Engineer will act as liaison to prepare, review and update ... peripheral vision, depth perception, and ability to adjust focus. **WORK AUTHORIZATION/ SECURITY CLEARANCE ** Citizenship: US Citizenship Clearance more
    TekSynap (12/06/25)
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  • Principal Cyber Security Engineer

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

    Steampunk (Mclean, VA)
    **Overview** As a **Web Application Security Engineer ** , you will provide technical expertise and solutions to remediate persistent and challenging ... security findings. **Qualifications** **Required** + Ability to obtain a US government Security Clearance + Master's Degree and 3 years of relevant… more
    Steampunk (12/31/25)
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  • Cloud Administrator (Top-Secret clearance )

    Tetrad Digital Integrity LLC (Ashburn, VA)
    …or PowerShell. QUALIFICATIONS: + Bachelor's degree in computer science, Engineering, Software Development, Information Technology, Cyber Security , or related ... a large, Federal agency in protection of our various borders. A top-secret clearance with SCI eligibility will be required for this role. RESPONSIBILITIES: +… more
    Tetrad Digital Integrity LLC (11/09/25)
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  • Senior Principal Cyber Security

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

    Assertive Professionals (Chantilly, VA)
    Information System Security Engineer (ISSE) About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned ... Polygraph Timeline Pipeline Description Assertive Professionalsis seeking anInformation System Security Engineer (ISSE) with Poygraph supporting ourNational … more
    Assertive Professionals (01/07/26)
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  • Network Security Engineer

    Noblis (Richmond, VA)
    …make security -focused architectural recommendations in complex environments. The TIS Security Engineer will support the FAA Telecommunications and Integrated ... highly technical professionals with a strong foundation in network architecture, design, and security - individuals who are ready to step up from traditional network… more
    Noblis (12/30/25)
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  • Program Security Engineer

    SAIC (Chantilly, VA)
    …analysis, systems engineering & integration and more. This position is for Program Security Engineer for a large, multi-year contract supporting a cutting-edge ... the effectiveness of our staff and our program. Program Security Engineer supports the SETA Program Management...Engineers (ISSE). **Qualifications** + Must possess an active TS/SCI clearance with Polygraph. + At least 4 years experience… more
    SAIC (12/23/25)
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