• Senior Systems Engineer

    Leidos (Alexandria, VA)
    …VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. **Primary ... Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations,… more
    Leidos (10/11/25)
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  • Chief Engineer

    Leidos (Reston, VA)
    …(eg, architectural, structural, MEP) and facilitate interdisciplinary coordination. + The Chief Engineer will work closely with the Chief Software Architect to ... Mission Solutions Business Area is seeking a highly experienced **Chief Engineer ** to lead its multidisciplined engineering team in utilizing advanced technologies… more
    Leidos (10/04/25)
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  • CAD Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    …of experience in modeling and simulation for aerospace or space systems. + Active Top Secret /SCI w/Poly Clearance. + Proficiency with CAD tools (eg, SolidWorks, ... **Description** **SAIC** is seeking a **CAD Modeling and Simulation Engineer in Chantilly, VA** to support a government customer. **The successful candidate will:**… more
    SAIC (10/24/25)
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  • Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    …experience in modeling and simulation for aerospace or space systems. + Active Top Secret /SCI w/Poly Clearance. + Strong understanding of sensor phenomenology ... **Description** SAIC is seeking a Modeling and Simulation Engineer to support a customer in Chantilly, VA. The successful candidate will: + Develop and maintain… more
    SAIC (10/22/25)
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  • Machine Learning Modeling and Simulation…

    SAIC (Chantilly, VA)
    …experience in modeling and simulation for aerospace or space systems. + Active Top Secret /SCI w/Poly Clearance. + Strong understanding of sensor phenomenology ... **Description** SAIC is seeking a Machine Learning Modeling and Simulation Engineer in Chantilly, VA. The successful candidate will: + Develop and maintain… more
    SAIC (10/22/25)
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  • Senior Field Engineer

    Leidos (Chantilly, VA)
    **Description** Leidos is looking for a Sr Field Engineer with a TS /SCI with polygraph to support work on an information technology (IT) contract. The contract ... Engineering and Hosting, Mission Unique Services, and Business Management. The Systems Engineer will analyze internal and external client needs and construct sound,… more
    Leidos (11/06/25)
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  • Facility Operations Center Technical Team Lead,…

    Amazon (Arlington, VA)
    …Basic Qualifications - Current, active US Government Security Clearance of Top Secret with SCI eligibility or above - 3 + years of technical support ... US citizen and currently possess and maintain an active Top Secret security clearance with SCI eligibility....start, the selected candidate obtain and maintain an active TS /SCI security clearance with polygraph or commensurate clearance for… more
    Amazon (10/18/25)
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  • ADC Engineer , Platform Engineering…

    Amazon (Arlington, VA)
    …of experience operating in a Unix, Linux, or Red Hat environment. - 3 + years of experience implementing automated software testing, scripting, deployment, and ... Amazon Dedicated Cloud team is hiring for an ADC Engineer to support CloudTrail, AWS Config and other AWS...implement and operate them. Amazon Web Services is seeking top industry technical experts to grow our team dedicated… more
    Amazon (09/18/25)
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  • Electronics Technician 3

    M. C. Dean (Chantilly, VA)
    …meet eligibility requirements, including US Citizenship, for access to classified information; **ACTIVE TOP SECRET Clearance with the ability to obtain a TS ... will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and...for the better. We are seeking an **Electronics Technician 3 ** to join our **Security and Electronic Systems (SES)**… more
    M. C. Dean (10/23/25)
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  • DevOps Engineer , Sr.

    William C Brown Inc (Springfield, VA)
    DevOps Engineer , Sr. EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard ... by law. Description Deliver simple solutions to complex problems as a DevOps Engineer , Sr. Here, you'll tailor cutting-edge solutions to the unique requirements of… more
    William C Brown Inc (09/01/25)
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