• Senior Software Engineer (Boulder,…

    SMX (Boulder, CO)
    Senior Software Engineer (4930) (Boulder, CO) (Secret)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO Outside Analytics has recently become ... needs. We have an immediate opportunity for a **Senior Software Engineer ** who is excited to apply...Apply DoD standards and protocols to ensure compliance and security . **Required Skills & Experience** + Clearance … more
    SMX (01/06/26)
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  • Software Engineer -Early Career

    Lockheed Martin (Littleton, CO)
    …is Ours\. Lockheed Martin Rotary and Mission Systems in Littleton, CO is seeking a Software Engineer Associate\. In this role, you will be part of a dynamic ... crucial design features, and contributing to our mission critical software within a multi\-discipline team and dynamic Agile environment\....a US Citizen; this position will require a government security clearance \. This position is located at… more
    Lockheed Martin (01/14/26)
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  • Software Engineer Staff

    Lockheed Martin (Littleton, CO)
    …Software Lifecycle from requirements derivation through verification \#LMSpaceSoftwareEng ** Security Clearance Statement:** This position requires a ... Software Product Line \(SSPL\) is seeking a Software Engineer Staff to join the team\....government security clearance , you must be a US Citizen for consideration\.… more
    Lockheed Martin (11/18/25)
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  • Senior Software Engineer Staff…

    Lockheed Martin (Highlands Ranch, CO)
    …Engineer \(CPE\)/Responsible Systems Engineer \(RSE\) position is for a Staff Software Engineer on the Orion Program within the Flight Systems team ... Space is a critical domain connecting our technologies, our security , and our humanity\. While others view space as...transform the future\. Join a talented team of Orion software engineers and leaders engaged in the design and… more
    Lockheed Martin (11/13/25)
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  • Software Integration Engineer

    SciTec (Boulder, CO)
    …experience with Agile software development + A current active DoD SECRET security clearance or higher *Resumes, Cover Letters, and Applications which are ... citizenship is a requirement to obtain and keep a security clearance . Applicants that do not meet...SciTec has an immediate opportunity for a talented Integration Engineer to support our programs delivering Next-Generation Missile Warning… more
    SciTec (01/06/26)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel ... to quickly learn new technologies **Desired:** + Familiarity with software security concepts such as intrusion detection,...Knowledge of Microsoft software applications and other software applications as required **A TS/SCI clearance … more
    CACI International (11/07/25)
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  • Computer Vision Software Engineer…

    Lockheed Martin (Littleton, CO)
    …of space‑borne systems\. About the Role: We are seeking a Computer Vision Software Engineer who can proactively drive architectural evolution and deliver ... skills - comfortable discussing technical trade‑offs with peers, documenting design decisions Security Clearance / Work Authorization: * To meet requirements of… more
    Lockheed Martin (11/20/25)
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  • Senior Engineer - Advanced Test…

    BAE Systems (Westminster, CO)
    …and on a team. + Working knowledge of software quality principles. \#LI-LB3 A security clearance or access with Polygraph is not required to be eligible for ... **Job Description** The Electrical Solutions team is seeking a Senior Software Engineer to work with technical teams using primarily Python and Ruby, to design,… more
    BAE Systems (11/25/25)
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  • Senior Software Engineer 25k Sign…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Software Engineer ** in our **Intelligence Sector Cyber & Analytics Business Area ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software...Leidos is seeking a driven and experienced Full Stack Software Engineer to support a high-stakes, mission-critical… more
    Leidos (12/03/25)
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  • Senior Software Engineer

    CACI International (Denver, CO)
    Senior Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... maintain technical and operational documentation + Collaborate daily with software engineers and as needed with security ... Engineering, DevOps, or DevSecOps roles + Current TS/SCI clearance and polygraph preferred or ability to obtain and… more
    CACI International (01/10/26)
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