• Infrastructure Engineer /Administrator

    CACI International (Mclean, VA)
    Infrastructure Engineer /Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with ... governing configuration management and change control. **Qualifications:** _Required:_ + Active TS / SCI w/ Poly clearance is required. + Bachelor's degree… more
    CACI International (09/26/25)
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  • AWS DevSecOps Engineer

    Leidos (Fort Belvoir, VA)
    …an active DoD Secret clearance with the ability to obtain a TS / SCI clearance.** **Primary Responsibilities:** + Design and secure scalable AWS cloud ... has a new and exciting opportunity for a **DevSecOps Engineer ** in either Fort Belvoir, VA or Picatinny Arsenal,...SECRET clearance and the ability to obtain a TS / SCI security clearance. + 5+ years of… more
    Leidos (09/17/25)
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  • Information System Security Engineer

    Assertive Professionals (Chantilly, VA)
    … (https://mystaffingpro.com/sites/mystaffingpro.com/files/2018-05/tech\_faq\_sa.pdf) Position 1. Open Position - TS / SCI EOE Statement Assertive Professionals, ... Information System Security Engineer (ISSE) About...Number AP--24-00022 Location Chantilly, Virginia Full-Time/Part-Time Full-Time Minimum Clearance TS / SCI with Polygraph Timeline Pipeline Description Assertive… more
    Assertive Professionals (10/09/25)
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  • Cyber Operations Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Alexandria, VA)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz ... Cyber Operations Engineer The Opportunity: As a cyber mission spe...plans, and POA & M lifecycle management + Active TS / SCI clearance; willingness to take a polygraph… more
    BOOZ, ALLEN & HAMILTON, INC. (11/04/25)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …degree + 10+ years of experience in a cyber role + Experience with Security Information and Event Management (SIEM) platforms, and/or Splunk + Knowledge of Linux ... meet policy requirements. **Security Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph **Physical Requirements:** + The person in this… more
    ManTech (10/24/25)
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  • FSO/Industrial Security Cyber Engineer

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …and/or Experience: Bachelor's degree and/or 0 to 2 years of experience * Security Clearance: TS / SCI required with the ability to obtain a TS / SCI ... **FSO/Industrial Security Cyber Engineer , Junior** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2120… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • Staff DevOps Engineer

    Applied Research Associates, Inc. (Herndon, VA)
    …network policies **Staff DevOps Engineer Preferred Qualifications:** + An active TS / SCI with CI Poly security clearance + OpenShift Certified Administrator ... **Description** ARA is looking for a Staff DevOps Engineer with strong expertise in OpenShift and you...+ **Must be a US citizen with an active TS / SCI security clearance** + Bachelors degree in… more
    Applied Research Associates, Inc. (09/12/25)
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  • Systems Engineer

    SAIC (Arlington, VA)
    …dark web. Clearance/Citizenship Requirements: + US Citizenship with an active Top Secret Clearance with ability to obtain SCI (Active and/or PR within last ... **Description** Seeking a Senior Systems/Network Engineer , working with a diverse team of contractors,...+ Experience with monitoring and logging tools such as Splunk and Solarwinds. + Strong problem-solving skills and the… more
    SAIC (09/20/25)
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  • Senior Linux Engineer

    CACI International (Chantilly, VA)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in support of Enterprise...tools, and best practices. **Qualifications:** _Required:_ * An Active TS / SCI Clearance with Polygraph. * Security+ or… more
    CACI International (11/01/25)
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  • Machine Learning Engineer

    CACI International (Chantilly, VA)
    Machine Learning Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... learning, LLMs, and AI engineering best practices **Qualifications:** _Required:_ * Active TS / SCI clearance with Poly * Bachelor's degree in computer science,… more
    CACI International (11/12/25)
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