• Senior Systems Engineer , Air & Space…

    RTX Corporation (Sterling, VA)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS /SCI without Polygraph At Raytheon, ... world. Raytheon, an RTX business, is looking for a **Senior** **Systems Engineer ** to join our systems engineering team. Our Engineers support technical direction… more
    RTX Corporation (08/08/25)
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  • GEOINT Operations Support Systems Engineer

    KBR (Chantilly, VA)
    …Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our ... customers in the intelligence and national security communities. In this position, your work will have...Minimal + Working Hours: Standard Qualifications: Required: + Clearance: TS /SCI clearance with Polygraph + Education: Bachelor's degree in… more
    KBR (08/01/25)
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  • Software Engineer

    Leidos (Arlington, VA)
    …(Subversion, GIT, etc.) and continuous integration software tools (Jenkins) * Must have active Secret level security clearance with the ability to obtain a TS ... in Computer Engineering, Electrical Engineering, Computer Science, or equivalent * Existing security clearance higher than the Secret level * Experience with… more
    Leidos (07/16/25)
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  • Cyber Engineer

    Sciolex Corporation (Chantilly, VA)
    …and processes Qualifications & Physical Requirements + Must be a US Citizen withactive TS /SCI security clearance with CI polygraph + Bachelors and five (5) years ... to ensuring you receive the utmost employee care. Responsibilities As a Cyber Engineer you will provide SETA support to the NRO's Integrated Systems Program Office… more
    Sciolex Corporation (07/10/25)
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  • Lead Principal Systems Engineer

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, career and customer-oriented **Lead Principal Systems Engineer ** to join our team in **Chantilly, VA.** The position is **onsite.** ... and Microsoft Windows Operating Systems + Diagnosing and resolving the performance, security , and/or technical challenges related to the platforms listed above +… more
    ManTech (07/01/25)
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  • Lead Data Engineer

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, career and customer-oriented **Lead** **Data Engineer ** to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will ... and high availability, and monitoring database performance + Implement robust security measures to protect sensitive data and ensure compliance with relevant… more
    ManTech (06/12/25)
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  • Cybersecurity Malware Reverse Engineer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Cybersecurity Malware Reverse Engineer ** to join our team in the **DC, Maryland, and Virginia (DMV) ... threats and mitigation techniques. You will investigate potential intrusions and security events to contain and mitigate incidents. You will be responsible… more
    ManTech (06/12/25)
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  • Lead Data Engineer

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, career and customer-oriented **Lead** **Data Engineer ** to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will ... and high throughput for real-time and batch data processing. + Implement robust security measures to protect sensitive data and ensure compliance with relevant data … more
    ManTech (06/12/25)
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  • System Engineer

    Kratos Defense & Security Solutions, Inc. (Herndon, VA)
    Job Descriptions: Ready for What's Next? Kratos Defense & Security Solutions develops and fields transformative, affordable technology, platforms, and systems for ... United States National Security related customers, allies, and commercial enterprises. We proactively...the right thing. Kratos is looking for a System Engineer Level 3 with cyber knowledge and experience, to… more
    Kratos Defense & Security Solutions, Inc. (06/07/25)
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  • Network Architect/ Engineer

    ManTech (Herndon, VA)
    ManTech seeks a motivated, career and customer-oriented **Mid-level Network** **Architect/ Engineer ** in the DC, Maryland, and Virginia (Northern) **DMV area** . In ... this role you will provide crucial support to the Network Operations Security Center (NOSC). You will support and assist in the design, development, and deployment… more
    ManTech (06/03/25)
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