• Site Reliability Engineer II - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …to the following specialized security screenings: + The successful candidate must have an active US Government Top Secret Clearance with access to Sensitive ... of Microsoft's most critical customers? We're looking for a **Site Reliability Engineer II** with the right mix of software development, on-line services experience… more
    Microsoft Corporation (09/20/25)
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  • Principal Cyber Security Systems…

    ManTech (Chantilly, VA)
    MANTECH seeks a motivated, career-driven **Principal Cyber Security Systems Engineer ** to join our team in **Chantilly, VA** . This role offers an exciting ... environments with ATO/accreditation processes **Clearance Requirements:** + Must possess an active TS /SCI with Polygraph clearance. **Physical Requirements:** +… more
    ManTech (08/29/25)
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  • Senior Systems Engineer

    Leidos (Chantilly, VA)
    …That Powers Innovation!** Leidos is on the lookout for a sharp, forward-thinking ** Systems Engineer ** to strengthen our elite technical team in **Chantilly, VA** ... + Serve as the operational backup for the senior systems engineer . + Participate in infrastructure and...windows as needed. **Required Clearance** **:** Must possess an active and in scope ** TS /SCI With Poly**… more
    Leidos (08/15/25)
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  • Mid-Level SIGINT Enterprise Systems…

    KBR (Chantilly, VA)
    Title: Mid-Level SIGINT Enterprise Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... contract award KBR is seeking a Mid-Level SIGINT Enterprise Systems Engineer to support our customer in...of end-to-end mission and services closure Required qualifications: + Active TS /SCI and Polygraph + Requires 6… more
    KBR (08/08/25)
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  • Lead, Information Security Systems…

    L3Harris (Ashburn, VA)
    …and SERD requirements. + Professional experience with RMF (Risk Management Framework) in embedded systems . + Active TS /SCI Clearance is highly desired. In ... interest of national security. Job Title: Anti-Tamper System Security Engineer ( Secret Security Clearance) Job Code: 26869...5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance… more
    L3Harris (08/03/25)
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  • Sr Principal Engineer Mission Assurance

    Northrop Grumman (Chantilly, VA)
    …certification to help drive continuous improvement. + CAM/Earned Value certification. + Current, active Secret Clearance, or higher or ability to acquire a ... more information on how to apply! Northrop Grumman Mission Systems (NGMS) is seeking a **Mission Assurance Engineer...Department of Defense Top Secret clearance. **What We Can Offer… more
    Northrop Grumman (09/30/25)
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  • Senior Infrastructure Design Engineer

    SMX (Dahlgren, VA)
    …+ Clearance Required: Secret + Must be able to obtain and maintain Top Secret + Bachelor's degree in an Engineering discipline or Industrial Design + ... Senior Infrastructure Design Engineer (4414)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated Senior… more
    SMX (09/03/25)
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  • Systems Administrator (2nd shift)

    General Dynamics Information Technology (Mclean, VA)
    …RQ208054 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... industry best practices **WHAT YOU'LL NEED TO SUCCEED:** + **The position requires an active TS /SCI w/ Polygraph clearance** + **This position is for 2nd Shift:… more
    General Dynamics Information Technology (10/01/25)
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  • Principal Satellite Communications Engineer

    ManTech (Reston, VA)
    …**Preferred Qualifications:** + N/A **Clearance Requirements:** + Must have an active /current Top Secret security clearance. **Physical Requirements:** ... **ManTech** seeks a motivated, career and customer-oriented **Principal Satellite Communications Engineer ** to join our team in the **Reston, VA** location. This is… more
    ManTech (09/18/25)
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  • AI Cloud Engineer

    SAIC (Chantilly, VA)
    …(4) years or more experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret /SCI with Poly. + Experience in AI OR cloud ... **Description** SAIC is seeking a **AI Cloud Engineer ** with expertise in Signal Intelligence (SIGINT) processing...Ground Enterprise Directorate (GED), responsible for the acquisition of systems over the complete end-to-end life cycle. As the… more
    SAIC (08/07/25)
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