• Cyber Software Test Engineer

    Lockheed Martin (Denver, CO)
    …CITIZEN** - The selected candidate must possess an active Top Secret clearance with SCI eligibility to start\. \#LI\-CS1 **Basic Qualifications:** + **Active TS ... clearance with SCI eligibility required prior to start\.** +...more programming or scripting languages, e\.g\.: _C/C\+\+, Python, PowerShell, Java , JavaScript, Bash_ + Hands‑on experience using configuration‑management and… more
    Lockheed Martin (01/14/26)
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  • Systems Architect (Hybrid Telework)

    Lockheed Martin (Colorado Springs, CO)
    …place where your work will matter\. **Basic Qualifications:** * **Active Secret clearance ** required prior to start\. * Deep knowledge of modern **software ... * Proficiency in one or more **modern programming languages** , such as Java , C\+\+, Python, Go, or Rust, and familiarity with associated frameworks\. * Demonstrated… more
    Lockheed Martin (01/09/26)
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  • Software Engineer - Embedded & Cloud Systems

    Lockheed Martin (Colorado Springs, CO)
    …Locations: Littleton, CO, Colorado Springs, CO or King of Prussia, PA\. Clearance Required: Active Top Secret \(TS/SCI preferred\) **Basic Qualifications:** * US ... Citizenship and ability to obtain and maintain a Top Secret/SCI clearance \(Active TS or TS/SCI strongly preferred\)\. * Professional experience in software… more
    Lockheed Martin (12/14/25)
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  • Software Engineer Staff, Level 4

    Lockheed Martin (Colorado Springs, CO)
    …* Software development experience with object\-oriented programming languages such as Java and JavaScript \(Node\.js\) * Software development experience with \.net ... or C\# * US Citizenship Required: No clearance required to start but must be able to...be able to obtain and maintain a Secret security clearance **Desired Skills:** * Experience working on large\-scale software… more
    Lockheed Martin (12/10/25)
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  • Senior Software Engineer, Level 3

    Lockheed Martin (Colorado Springs, CO)
    …* Development experience with any of the following programming languages: Java , JavaScript, Python * Experience with application containerization \(Kubernetes, Helm, ... US Citizen; Must be able to obtain and maintain a Top Secret security clearance \. This position is located at a facility that requires special access\. **Desired… more
    Lockheed Martin (11/23/25)
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  • Full Stack Engineer / TS/SCI / Onsite: CO or CA

    Lockheed Martin (Littleton, CO)
    …programs and unclassified applications\. Must have the ability to obtain the necessary clearance \. Work Location is in Littleton, CO OR Sunnyvale CA\. **In light of ... Business & Digital Transformation \(EBDT\) organization** \#EBDT **Basic Qualifications:** \*\* TS/SCI Clearance with CI Polygraph is required prior to start \*\* \-… more
    Lockheed Martin (11/12/25)
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  • Senior Software Engineer (Level 3)

    Lockheed Martin (Colorado Springs, CO)
    …environment, using tools such as Jira and Confluence * US Citizenship Required: No clearance required to start, but the ability to obtain and maintain security ... clearance level required for position\. **Desired Skills:** * Software...Software development experience with object\-oriented programming languages such as Java and JavaScript \(Node\.js\) * Experience with software version… more
    Lockheed Martin (11/09/25)
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  • Principal Software Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …an impact on a software engineering team + Active Top Secret US Security Clearance w/ SCI eligibility is required **Qualifications We Prefer:** + Model Based Systems ... standard software languages such as C, C#, C++, HTML, Java , Python, and Bash + Experience with software tools...requires current/active Top Secret with SCI eligibility US Security Clearance . US Citizenship status is required as this position… more
    Sierra Nevada Company, LLC (11/07/25)
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  • Test Engineer (Secret)

    SMX (Boulder, CO)
    …location is on-site in Boulder, CO 5 days per week. Secret level clearance is required.** **Essential Duties & Responsibilities** + Write and execute functional and ... in team and program Agile ceremonies **Required Skills & Experience** + Clearance Required: Secret. This position requires the ability to obtain an Interim… more
    SMX (10/30/25)
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  • Sr Principal Engineer Systems Architect (26-020)

    Northrop Grumman (Colorado Springs, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have ... diverse group of engineers **Basic Qualifications:** Please list your current security clearance and IAT or relevant certifications on your resume, if applicable. +… more
    Northrop Grumman (01/17/26)
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