• Senior Software Engineer 25k…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... of** ** ** **$25,000.** Leidos is seeking a driven and experienced Full Stack Software Engineer to support a high-stakes, mission-critical program. In this role,… more
    Leidos (12/03/25)
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  • Senior Software Engineer

    Leidos (Omaha, NE)
    …challenging and exciting C/C++ developer opportunities available now! We are seeking a talented ** Senior Software Engineer ** to join our dynamic Agile ... and so much more! **Primary Responsibilities:** + All aspects of the software development lifecycle including scope and work estimation, architecture and design,… more
    Leidos (12/14/25)
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  • Senior DevOps Software

    KBR (El Segundo, CA)
    Title: Senior DevOps Software Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... and lasting impact on the success of the entire software team and organization. + The DevOps Engineer...Minimal + Working Hours: Standard Qualifications: Required: + Security Clearance : Ability to obtain and maintain a Secret … more
    KBR (11/25/25)
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  • Senior Software Engineer

    RTX Corporation (Cedar Rapids, IA)
    …:** None/Not Required Collins Aerospace is seeking a highly skilled and experienced Senior Software Engineer to support the development, sustainment, and ... robust backend architecture, delivering new features, and resolving critical defects. The engineer will serve as a technical leader, applying deep knowledge of… more
    RTX Corporation (10/01/25)
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  • Senior CNO Software Engineer

    ManTech (Hanover, MD)
    **MANTECH** seeks a highly experienced and mission-focused ** Senior CNO Software Engineer ** to join our CNO team in **Hanover, MD.** As a Senior CNO ... are not limited to:** + Design and develop new hardware- or software -based CNO capabilities + Independently contribute to the design, development, documentation,… more
    ManTech (11/25/25)
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  • Senior Software Engineer C++

    Leidos (Tewksbury, MA)
    **Description** **Leidos' Security Enterprise Solutions (SES)** operation is seeking a ** Senior Software Engineer (C++)** in **Tewksbury, MA** to join our ... and more efficient on a global level. As a ** Senior Software Engineer (C++)** on...Must have the ability to obtain a Public Trust clearance (US citizenship required). + Strong Understanding C++ and… more
    Leidos (12/08/25)
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  • Senior Software Engineer

    Serco (Orlando, FL)
    …Description** Serco is seeking to fill a fast-paced, growing, and dynamic role of ** Senior Software Engineer ** to support our Satellite Ground System ... email to: [email protected] . Click here to apply now (https://careers-sercous.icims.com/jobs/71908/ senior - software - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
    Serco (11/19/25)
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  • Software Engineer , Senior

    Lockheed Martin (Moorestown, NJ)
    …Mission Systems is the place for you\. **The Work** Lockheed Martin RMS is seeking a Senior Member of the Engineering Staff\. In this role, you will be part of a ... Software Engineering team and will be responsible for: planning,...US Citizen\.; This position will require a government security clearance \.; This position is located at a facility that… more
    Lockheed Martin (12/11/25)
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  • Senior Software Engineer

    The Boeing Company (Seal Beach, CA)
    …with us. The Boeing Defense, Space & Security (BDS) National Systems Programs (NSP) software capability is seeking ** Senior Software Engineers** in **El ... working across the tech stack with a solid understanding of software architecture, infrastructure tooling, and engineering fundamentals. The candidate will… more
    The Boeing Company (12/07/25)
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  • Senior Software Engineer

    Belay Technologies (Fort Meade, MD)
    …Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Software Engineer (Data Dictionary) to join our intel team. The ... Software Engineer needs to support design, development,...components. Candidates should have the following qualifications: + TS/SCI Clearance with polygraph + 8+ years of Software more
    Belay Technologies (12/12/25)
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