• Network Testing Lab Infrastructure Engineer

    CACI International (Sterling, VA)
    Network Testing Lab Infrastructure Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... equipment inventory. + Support the installation and updates of software and firmware on lab devices. + Assist in...+ 3+ years of work related experience + TS/SCI w / poly is required + Basic understanding of networking… more
    CACI International (05/10/25)
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  • Electrical Engineer / Data Center

    Parsons Corporation (Centreville, VA)
    …in a team environment. **Security Clearance Requirement:** An active Top Secret SCI w / Polygraph security clearance is required for this position.​ This position ... is looking for an amazingly talented **Data Center Electrical Engineer ** to join our team! In this role you...Power Distribution Units (PDUs)。 + Proficiency in electrical design software and tools, such as AutoCAD, ETAP, or similar.… more
    Parsons Corporation (03/29/25)
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  • Senior Software Developer

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, career and customer-oriented **Senior Software Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are ... Be more than an amazing developer. As the Senior Software Engineer , you will own the delivery...basis **Clearance Requirements:** + Must have a current/active TS/SCI w / Polygraph **Physical Requirements:** + The person in… more
    ManTech (06/20/25)
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  • Python Software Developer

    ManTech (Herndon, VA)
    ManTech seeks a motivated, career and customer-oriented **Python Software Engineer ** to join our team in **Chantilly, Virginia.** Support a high visibility ... (or higher) clearance, with the ability to obtain and maintain a TS/SCI w / Polygraph clearance **Physical Requirements:** + The person in this position must… more
    ManTech (05/30/25)
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  • Senior Systems Administrator - Clearance Required

    Lockheed Martin (Dahlgren, VA)
    … must have a TS/SCI clearance to start with an adjudicated CI polygraph \. The Systems Engineer develops, delivers, and operates affordable engineering and ... you\! The DARKWING program is looking for a Systems Engineer to join our team near LaPlata, MD\. The...Systems integration, SQL Database, Network Integration, hardware procurement, COTS software , and maintenance of operating systems\. You must be… more
    Lockheed Martin (05/24/25)
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  • Technical Project Manager

    ManTech (Herndon, VA)
    …or High School Diploma and 8+ years of experience + Experience as a software engineer , developer, tester or systems engineer or experience managing ... Scrum Master + PMP or ITIL certification **Clearance Requirements:** + Active/current TS/SCI w / Polygraph **Physical Requirements:** + Must be able to remain in… more
    ManTech (06/18/25)
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  • Senior Specialist, Systems Engineering (User…

    L3Harris (Springfield, VA)
    …domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - User Acceptance Tester (Active TS/SCI w /CI Poly Required)Job Code: ... years of prior related experience.* Active Top Secret/SCI with CI Polygraph required.* 5+ years of software integration and test experience with a focus on user… more
    L3Harris (05/29/25)
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  • Principal Cyber Support Developer

    ManTech (Chantilly, VA)
    …Docker and Kubernetes **Clearance Requirements:** + Must have a current/active TS/SCI w / Polygraph **Physical Requirements:** + The person in this position must ... **Responsibilities include but are not limited to:** + Integrate, tailor, engineer , design, and maintain cybersecurity relevant features & capabilities using… more
    ManTech (05/30/25)
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  • System Administrator 3

    M. C. Dean (Chantilly, VA)
    …information; **ACTIVE TOP SECRET Clearance with the ability to obtain a TS/SCI w / Polygraph is REQUIRED** **Key Requirements:** + Education: + Bachelor's Degree ... at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver… more
    M. C. Dean (06/09/25)
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  • SIGINT Outreach Lead

    KBR (Chantilly, VA)
    …position based upon contract award KBR is seeking a Chief SIGINT Outreach Engineer with strong engineering skills in SIGNALS and RF systems for overhead space ... to US Government Intelligence Community and Military users. The SIGINT Outreach Engineer serves as a technical advisor to support the Government with developing… more
    KBR (05/09/25)
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