• Senior Software Engineer

    Belay Technologies (MD)
    …Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Software Engineer to join our intel team. The HPC Software Engineer ... develops, tests, deploys, documents, maintains, and enhances complex and diverse software for HPC (high performance computing) systems based upon documented… more
    Belay Technologies (11/25/25)
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  • Software Engineer Senior

    Lockheed Martin (Littleton, CO)
    …a career that's built for you\. Space Protection Programs is seeking an experienced Software Engineer who can guide a team through complex mission software ... Candidate must have the ability to take ownership of software development and software integration activities\. The...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (11/20/25)
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  • Software Engineer (lead) - level 4

    Northrop Grumman (Fairfax, VA)
    …(** _must have to be considered_ **)** + Requires an **active** DoD Top - Secret **( TS )** with Sensitive Compartmented Information **(SCI)** **clearance** **at ... your pioneering spirit to our collaborative teams. This _Software Engineer (lead)_ _- Level 4_ role at our **Fairfax,...off. This role will lead a small team of software developers to advance a new tool that simulates… more
    Northrop Grumman (11/19/25)
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  • Software Engineer Staff - Electronic…

    Lockheed Martin (Owego, NY)
    …& Electronic Warfare\. **The Work** We are seeking an experienced Electronic Warfare \(EW\) Software Engineer to join our team\. In this exciting role, you will ... detail, and a dedication to delivering high\-quality results\. A Software Engineer Staff position is typically a...* Secret investigation within 5 years or Top Secret clearance **Security Clearance Statement:** This… more
    Lockheed Martin (12/10/25)
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  • Software Engineer with Poly

    BigBear.ai (Hanover, MD)
    Overview BigBear.ai is seeking a Senior Software Engineer with an active TS /SCI with Poly clearance to work with a team of developers to support ... and release management . What you will do + Software Engineer needs to support design, development,...to the specifications. What you need to have + TS /SCI Clearance with polygraph + Bachelor's Degree or higher… more
    BigBear.ai (12/19/25)
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  • Software Engineer - Level 3 or 4

    Northrop Grumman (Fairfax, VA)
    …detailed below as well as the interview assessment._ + Requires an **active** Top - Secret ( TS )/Sensitive Compartmented Information (SCI) clearance [ ** TS ... your pioneering spirit to our collaborative teams. This _Software Engineer - Level 3 or 4_ role will be... development experience + PhD with 1 year of software development experience + **Level 4** : ( Senior more
    Northrop Grumman (12/25/25)
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  • Senior Software Engineer

    RTX Corporation (Cedar Rapids, IA)
    …global market. Collins Aerospace Resilient Connectivity Products (RCP) Engineering seeks a ** Senior Software Engineer ** to join the Platform Services ... only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret Collins Aerospace, an RTX company, is a leader in… more
    RTX Corporation (12/13/25)
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  • Senior C++/Python Software

    RTX Corporation (St. Petersburg, FL)
    …a rapidly evolving global market. The BMC2 Capabilities engineering organization is seeking a Senior Software Engineer to join our software development ... is required prior to start date. **Qualifications We Prefer** ​ + Active Top - Secret Clearance is preferred. + Experience developing software in a team-based… more
    RTX Corporation (11/07/25)
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  • Senior /Principal Software

    Sandia National Laboratories (Livermore, CA)
    …solve critical challenges to enhance our nation's security! We are seeking an experienced Software Engineer (job title: R&D S&E Computer Science) to design and ... and address end-user needs. + Utilize your skillset in software system architecture, software system implementation, technical...+ Active DOE Q/SCI security clearance or equivalent DOD Top Secret /SCI security clearance. About Our Team:… more
    Sandia National Laboratories (12/16/25)
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  • Senior Software Engineer

    AeroVironment (Jessup, MD)
    **Worker Type** Regular **Job Description** **Job Summary** The primary role of the ** Senior Software Engineer ** is to design, develop, and deliver ... high-performance, mission-critical software applications. This role focuses on building modern, scalable...as well as alignment with market data. **Clearance Level** Top Secret with Poly **ITAR Requirement:** _T_… more
    AeroVironment (12/19/25)
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