• Environmental Services Engineer /Scientist

    Leidos (Denver, CO)
    …support our growing domestic and international business as an **Environmental Services Engineer /Scientist** . This position involves working in a team atmosphere and ... Phase I Environmental Site Assessments; Spill Prevention, Countermeasure, and Control plans and requirements; and Stormwater Pollution Prevention Plans. +… more
    Leidos (01/01/26)
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  • Junior Software Engineer - TS/SCI with Poly

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a motivated **Junior Software Engineer ** to join our team in developing and maintaining modern web applications using React.js. ... React.js (components, hooks, state management). + Familiarity with version control tools such as Git. + Experience or strong...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (01/01/26)
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  • Senior Software Engineer

    Leidos (Vista, CA)
    **Description** The Senior Software Engineer will serve as an experienced technical contributor solving complex technical issues and driving innovation within the ... enhance productivity and code quality. + Proficiency with revision control systems (eg, Git), multi-threading, networking protocols, and Web...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (12/30/25)
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  • Systems Engineer

    Leidos (Norfolk, VA)
    …Digital Modernization sector is currently seeking a motivated, career oriented System Engineer with proven experience to join the JSP Platform Services team in ... enterprise virtual environment. + Deep understanding Role Based Access Control (RBAC) framework on unclassified and classified enclaves. +...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (12/20/25)
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  • Principal Manufacturing Engineer - Facility…

    Leidos (Huntsville, AL)
    …**Your greatest work is ahead!** Leidos is seeking a talented **Principal Manufacturing Engineer (ME)** to join a diverse team that is creating unique manufacturing ... enterprise and mission IT, large-scale intelligence systems, command and control , geospatial and data analytics, cybersecurity, logistics, training, and intelligence… more
    Leidos (12/19/25)
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  • Radar Signal Processing Engineer Intern

    Leidos (Huntsville, AL)
    …Defense Systems **Sensor Innovation Portfolio** is seeking a **Radar Signal Processing Engineer Intern** to join a diverse team to create unique solutions for ... enterprise and mission IT, large-scale intelligence systems, command and control , geospatial and data analytics, cybersecurity, logistics, training, and intelligence… more
    Leidos (12/17/25)
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  • Space Environment Lighting Engineer

    Leidos (Houston, TX)
    …aimed at establishing a sustained human presence in outer space. As a Lighting Engineer within the Johnson Space Center Lighting Lab, you will be part of the ... developments. + Stay current with the newest lighting, lighting control systems, and modeling technologies available to use in...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (12/16/25)
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  • Systems Integration and Test Engineer

    Leidos (Gaithersburg, MD)
    **Description** Leidos is seeking a Senior Systems Integration & Test Engineer who will be a member of a dynamic team who will be working on the United Kingdom's ... engineering, operational and decision analysis, systems definition, requirements baseline control and management. + Highly organized, demonstrating the ability to… more
    Leidos (12/13/25)
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  • AFSIM Modeling and Simulation Engineer

    Leidos (Dayton, OH)
    **Description** Leidos is seeking an **AFSIM Modeling and Simulation Engineer ** with an active TS/SCI to support the **National Space Intelligence Center (NSIC)** at ... integrate system models (satellites, radars, aircraft, missiles, command & control ) into a large-scale, many-on-many AFSIM simulation environment. +...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (12/12/25)
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  • Data Engineer

    Leidos (Sterling, VA)
    …The National Security Sector at Leidos currently has an opening for a Data Engineer with a strong background in data analytics to support an exciting DHS software ... + Familiarity using GIT, SVN, Jira, or other version control technologies + Experience with Azure cloud data analytics...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (12/10/25)
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