• Systems Engineer /COTS Integrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated ** Systems Engineer /COTS Integrator** to support a dynamic and innovative program focused on Big Data infrastructure, advanced ... to work independently **Minimum Qualifications** + 15+ years of related Information Technology experience + Experience with hands-on systems administration,… more
    ManTech (12/03/25)
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  • IT Systems Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are not ... platforms of common hypervisors and enterprise applications, including collaboration tools, Systems Information and Event Monitoring (SIEM) products, directory… more
    ManTech (11/19/25)
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  • Senior RF Test, Radar Systems

    Huntington Ingalls Industries (Dayton, OH)
    …Ingalls Industries (HII) Mission Technologies is seeking a Senior RF or Electronic Systems Engineer with expertise and technical competence in solving complex ... clearance required to start + Must be able to obtain and maintain a TS / SCI w/ enhanced security checks + Bachelor of Science Degree in Electrical Engineering… more
    Huntington Ingalls Industries (11/17/25)
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  • Senior Systems Engineer , Level 3…

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... to build a better tomorrow with you\. As a Systems Engineer , you will be part of...candidate's final work location\. Please note that the salary information is a general guideline only\. Lockheed Martin considers… more
    Lockheed Martin (11/14/25)
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  • Strategy & Integration Systems

    SAIC (Chantilly, VA)
    …capabilities and solutions for the Intelligence Community, is seeking a **Federal Laboratory Systems Engineer ** to provide systems engineering and technical ... **Description** SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis,...assess strategies, and suggest/implement changes **Qualifications** **Qualifications:** + Active TS / SCI with CI Poly + BS degree… more
    SAIC (10/31/25)
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  • Systems Engineer

    Leidos (Chantilly, VA)
    **Description** Leidos Intelligence Group is seeking a highly technical Systems Engineer to support an enterprise IT program.This work is being done to replace ... 10 years of experience + Demonstrated experience establishing standards for information systems procedures. + Demonstrated experience troubleshooting both… more
    Leidos (09/26/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …an active Secret clearance at the time of hire with the ability to obtain a Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: + ... Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) will be responsible for...Active Top Secret with SCI . +… more
    L3Harris (11/01/25)
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  • Systems Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Systems Engineer , Senior The Opportunity: Are...need to meet eligibility requirements for access to classified information ; TS / SCI clearance is ... your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world...mission planning tools and intelligence data fusion + Active TS / SCI clearance; willingness to take a polygraph… more
    BOOZ, ALLEN & HAMILTON, INC. (12/18/25)
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  • Associate Systems Engineer

    The Boeing Company (Colorado Springs, CO)
    …which the US Government requires US Citizenship. An interim and/or final US Top Secret / SCI Clearance Post-Start is required. **Visa Sponsorship** Employer ... Security** (BDS), Red LAN team is seeking a **Associate Systems Engineer ** (Level 1) to join our...Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include… more
    The Boeing Company (12/19/25)
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  • GEOINT Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …to strategic priorities and performance standards. Qualifications & Physical Requirements + Active Top Secret / SCI clearance with Poly. + Bachelors and five ... to ensuring you receive the utmost employee care. Responsibilities As the GEOINT Systems Engineer you will interact daily with senior government and Program… more
    Sciolex Corporation (10/09/25)
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