• Lead IT Systems Engineer

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, career and customer-oriented **Lead IT Systems Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are ... certification and accreditation procedures. **Clearance Requirements:** + Must have a current/ active TS /SCI w/Polygraph. **Physical Requirements:** + Must be… more
    ManTech (08/17/25)
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  • DevOps Engineer , Sr.

    William C Brown Inc (Springfield, VA)
    …center infrastructure * Experience using Jira and Confluence on a daily basis * Active TS /SCI clearance required and eligibility to obtain a poly Desired * ... Required Location Springfield Full-Time/Part-Time Full-Time Exempt/Non-Exempt Exempt Security Clearance Requirements Active TS / SCI Clearance and eligibility to… more
    William C Brown Inc (09/01/25)
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  • Service 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 ... Microsoft has an exciting opportunity for an experienced **Service Engineer II** to join the Azure Silver and Sovereign Team as part of the Cloud Transfer Service… more
    Microsoft Corporation (10/01/25)
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  • Software 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 ... We are looking for an engineer who is passionate about building new products...rotation (DRI), which includes creating/updating SOPs, Troubleshooting Guides, monitoring systems , mitigating/restoring incidents, and deep-dive analysis of root causes… more
    Microsoft Corporation (09/23/25)
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  • Senior Offensive Cyber Engineer

    ManTech (Quantico, VA)
    …organizational, and analytical skills. **Clearance Requirements:** + Must Have an Active Secret with the ability to obtain Top Secret /SCI **Physical ... MANTECH seeks a **Senior Offensive Cyber Engineer ** to perform analysis of cybersecurity packages using...Authority to Operate (ATO) while supporting the Marine Corps Systems Command (MCSC) in **Quantico, VA** . This position… more
    ManTech (08/01/25)
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  • Test and Integration Engineer

    Sciolex Corporation (Chantilly, VA)
    …effectiveness of the testing and integration process. Qualifications & Physical Requirements + Active Top Secret /SCI Clearance with Polygraph. + Bachelors ... that surpasses the epitome of excellence. Our core services include systems engineering technical advice, technical support, and administrative assistance. From our… more
    Sciolex Corporation (07/10/25)
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  • Senior Software Engineer /AFSIM Modeler

    KBR (Reston, VA)
    …AFSIM + Demonstrated proficiency in C++, Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information (SCI) ... Title: Senior Software Engineer /AFSIM Modeler Belong. Connect. Grow. with KBR! KBR's...contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future… more
    KBR (09/30/25)
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  • Engineer , Cloud Infrastructure, Google…

    Google (Reston, VA)
    …and access management, data protection, encryption, certificate and key management. + Active US Government Top Secret /Sensitive Compartmented Information ... Engineer , Cloud Infrastructure, Google Public Sector + _link_...center operations and infrastructure migration with VMware or similar systems . + Experience in automating infrastructure provisioning, DevOps, and… more
    Google (09/30/25)
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  • Modeling and Simulation Engineer Specialist

    KBR (Reston, VA)
    …case-by-case basis + Proficiency in C++, Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information (SCI) ... Title: Modeling and Simulation Engineer Specialist KBR is seeking a Modeling &...3 years of relevant experience + Familiarity in model-based systems engineering tools such as CAMEO + Basic proficiency… more
    KBR (08/14/25)
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  • Senior Developer

    Koniag Government Services (Vienna, VA)
    …**Kadiak** and our government customer in Vienna, VA. **This position requires an active Top - Secret security clearance with SCI Poly. This opportunity ... deployment, and support for new or existing IT application software on Unclassified, Secret and Top - Secret enclaves. Development currently uses the Agile… more
    Koniag Government Services (07/12/25)
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