• Software Engineer

    CACI International (Sterling, VA)
    Software Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Travel: Local * * * **The Opportunity:** Join us as a Software Engineer to design, build, and ship secure, high-performance software for mission-critical operations.… more
    CACI International (09/20/25)
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  • Senior Research Engineer , Advanced…

    Lockheed Martin (Arlington, VA)
    …and influence campaigns * Must have the ability to obtain aU\.S\. Secret security clearance that requires U\.S\. citizenship\. Applicants selected will be subject ... \(e\.g\., Elasticsearch, Oracle, MySQL, NoSQL, MongoDB, Neo4j \) \- DevSecOps , microservice oriented architectures, containerization, and CI/CD tools and processes… more
    Lockheed Martin (09/25/25)
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  • FADE Systems Integration Engineer SETA

    Noblis (Chantilly, VA)
    Responsibilities Noblis ESI is seeking a **FADE** **Systems Integration Engineer SETA** to serve as a member of a System Engineer and Technical Advisor (SETA) ... coordination, external, and IC customers. Required Qualifications + Active Top Secret /SCI with Counterintelligence (CI) Polygraph. + US Citizenship is required. +… more
    Noblis (10/02/25)
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  • Senior Software Engineer - Training System…

    RTX Corporation (Sterling, VA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current **Senior Software Engineer ** **- Training System Software ... (Onsite)** We are currently searching for a Sr. Software Engineer to join our team in Sterling VA. Employing some of the most talented dedicated people on the planet… more
    RTX Corporation (09/16/25)
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  • Lead, Chief Systems Engineer - Network…

    L3Harris (Dulles, VA)
    …domains in the interest of national security. Job Title: Lead, Chief Systems Engineer for Network Communcation Systems Job Code: 28223 Job Location: Herndon, VA ... to qualified applicants Job Description: As a Lead Systems Engineer , you will lead the technical development of and...a DoD TS/SCI clearance Preferred Additional Skills: + Active Secret or TS/SCI security clearance is preferred + Experience… more
    L3Harris (08/31/25)
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  • Software Engineer - level 3 or 4

    Northrop Grumman (Fairfax, VA)
    …Sector invites you to bring your pioneering spirit to our collaborative teams. This _Software Engineer - Level 3 or 4_ role will be in either our **Morrisville, NC, ... below as well as the interview assessment._ + Requires an **active** Top- Secret (TS)/Sensitive Compartmented Information (SCI) clearance [ **TS/SCI** ] **at time of… more
    Northrop Grumman (10/02/25)
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  • Project Engineer SME

    Leidos (Alexandria, VA)
    …Advantage Solutions Business Area, is currently seeking a highly experienced Project Engineer who will be responsible for engineering technical aspects of the ... Denver, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with the ability to obtain SCI, as well as a Polygraph. **Primary… more
    Leidos (10/01/25)
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  • Software Engineer II - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …from current and future threats. CISO Operations is looking for a Software Engineer II to improve and expand the security of Azure and other infrastructure ... readiness using tools like CloudTrail, Security Hub, or SIEM platforms. ** DevSecOps & Automation** * Create and manage infrastructure-as-code (eg, Terraform,… more
    Microsoft Corporation (09/27/25)
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  • Simulation Engineer - TS/SCI Required

    Leidos (Reston, VA)
    …The Mission Solutions Business Area at Leidos has an opening for a Simulation Engineer in Reston, Virginia. The primary focus of the work is systems simulation ... Candidate MUST possess an active TS/SCI, or a Top Secret clearance with a current SSBI, and be eligible...applications such as Unity 3D and Visual Studio. + DevSecOps experience + Machine Learning experience If you're looking… more
    Leidos (09/26/25)
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  • Submarine C5I SE&I Systems Engineer

    Lockheed Martin (Manassas, VA)
    …**The Work** Lockheed Martin Rotary & Mission Systems is seeking a full\-time Systems Engineer \(Modeling\) for the Submarine C5I SE&I program\. As a member of our ... contribute to the development of modeling tools and features in an Agile DevSecOps program environment, supporting a large system of systems program and advancing a… more
    Lockheed Martin (09/25/25)
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