• Lead Security Engineer

    Foxhole Technology, Inc (Alexandria, VA)
    **Overview** **Job Title: Lead Security Engineer ** ** Clearance : Top Secret w/SCI eligibility** **Location: Alexandria, VA** **Start: Based on Contract ... the world **.** We are seeking a mission-focused Lead Security Engineer to support a Department of... assessments for all IT systems, to include hardware, software , websites and other IT technologies + Experience with… more
    Foxhole Technology, Inc (12/19/25)
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  • Staff Cybersecurity Analyst / Information Systems…

    Northrop Grumman (Fairfax, VA)
    security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for innovators who ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the...of process, analysis, coordination, security certification test, security documentation, as well as investigations, software more
    Northrop Grumman (01/10/26)
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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 System Security Engineer

    ManTech (Virginia Beach, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Information System Security Engineer (ISSE)** to join our team in **Virginia Beach** **, ... certification ** Clearance Requirements:** + Must have an active Secret security clearance . **Physical Requirements:** + The person in this position must… more
    ManTech (01/09/26)
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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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  • Systems Test Engineer / Principal Systems…

    Northrop Grumman (Chantilly, VA)
    …Years experience with PhD + Willing and able to obtain and maintain a TS/SCI Security Clearance (US citizenship is a pre-requisite) + A background in system ... Years experience with PhD + Willing and able to obtain and maintain a TS/SCI Security Clearance (US citizenship is a pre-requisite) + A background in system… more
    Northrop Grumman (10/23/25)
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  • ISSE with DoD Top Secret Clearance

    Watershed Security (Norfolk, VA)
    …Watershed Security is seeking a highly skilled and motivated Information Systems Security Engineer to join our team supporting the Naval Information Warfare ... and ACAS servers. + Responsible for building, maintaining, and patching all ePO, Security Center, and Nessus servers. + Provides Security Center accounts for… more
    Watershed Security (10/31/25)
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  • Principal/Senior Principal Manufacturing…

    Northrop Grumman (Waynesboro, VA)
    …we will work to deliver the world's most advanced technologies to protect our national security . **A security clearance is not required to apply to or ... job. The selected candidate will be processed for a security clearance after she/he starts the job.**...our team as a Principal or Senior Principal Manufacturing Engineer based out of Waynesboro, Virginia.** We are seeking… more
    Northrop Grumman (11/25/25)
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