• Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …all aspects of nuclear engineering, including neutronics modelling and simulation , thermal hydraulics, irradiation of materials, shielding, and radiation detection ... for continuous learning including topics beyond nuclear engineering. While a nuclear engineer 's work at MPR will focus on nuclear-related tasks, the engineer more
    MPR Associates (10/14/25)
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  • Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …and other research and test facilities. We are currently seeking an experienced nuclear engineer to guide, challenge, and mentor our growing team in a variety of ... in diverse and challenging projects involving neutronics modeling and simulation , thermal-hydraulics, material irradiation, radiation shielding, radiological consequence evaluation,… more
    MPR Associates (09/26/25)
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  • Lead Embedded Software Engineer

    RTX Corporation (Arlington, VA)
    …RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It ... comprises three industry-leading businesses - Collins Aerospace Systems , Pratt & Whitney, and Raytheon. Its 185,000 employees...learning. We are searching for a Lead Embedded Software Engineer with expertise in the Electronic Warfare domain. In… more
    RTX Corporation (11/05/25)
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  • Firewall Engineer

    SAIC (Springfield, VA)
    **Description** This is a senior firewall position within the Vanguard 2025 Contract, providing general engineering support to multiple firewall and perimeter ... security systems and devices. The well qualified candidate will possess and apply comprehensive knowledge regarding perimeter security devices. The candidate must be… more
    SAIC (11/11/25)
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  • SD WAN Network Engineer

    SAIC (Springfield, VA)
    **Description** This is an opening for an **SD-WAN Senior Network Engineer ** to support the Department of State's (DoS) Diplomatic Technology Operations ... Division. This program provides transparent, interconnected systems and security supporting the DoS in successfully carrying...IT, including cloud services; cyber; software; advanced analytics and simulation ; and training. We are a team of 23,000… more
    SAIC (10/23/25)
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  • Software Engineer (SkillBridge Intern)

    Huntington Ingalls Industries (Roanoke, VA)
    …to Obtain Level of Experience: Intern This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare ... Systems comprises cyber and mission IT; electronic warfare; and...projects and work closely with a mentor and with senior company leadership. HII Mission Technologies Internship programs are… more
    Huntington Ingalls Industries (10/10/25)
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  • Structural Engineer - Multiple Positions…

    Leidos (Reston, VA)
    …The Mission Solutions Business Area at Leidos has an opening for a Structural Engineer in Reston, Virginia. The primary focus of the group is reverse engineering ... function (mission) and physical configuration, including layout, physical structure, mission systems , support systems , 3D model and corresponding potential… more
    Leidos (10/04/25)
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  • Software Engineer

    SAIC (Reston, VA)
    **Description** SAIC has an immediate opening for a Software Engineer to maintain, upgrade, and develop as necessary a custom software solution critical to the daily ... an application framework hosting a SQLite database. The Software Engineer candidate will also work within a team to...and customer personnel on a daily basis to include senior personnel + Must be able to act independently… more
    SAIC (09/13/25)
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  • Senior Software Developer - TS/SCI…

    Leidos (Reston, VA)
    …system design, data analysis, test, simulation , and verification of software simulation or decision systems . A successful applicant will be able to ... **Description** The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities within a matrixed research… more
    Leidos (09/21/25)
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  • Engineer III

    Three Saints Bay (Crystal City, VA)
    …LLC, and a Federal Government Contractor industry leader, is seeking an ** Engineer III** **Position Responsibilities:** + Provide systems engineering support for ... ** Engineer III (4317)** Location **Crystal City, VA** Job...activities including system analysis, combat system integration, modeling and simulation , and participation in requirements development and maintenance. +… more
    Three Saints Bay (11/01/25)
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