• Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Percentage of Travel Required : Up to 10% Type of Travel: Local Anticipated...to understand requirements and provide feedback * Interface with Software and Integration Engineers to containerize, test, and deploy… more
    CACI International (10/16/25)
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  • Cleared Software Engineer Intern…

    CACI International (Denver, CO)
    Cleared Software Engineer Intern - Summer 2026 Job Category: Intern/Co-op Time Type: Part time Minimum Clearance Required to Start: TS/SCI with Polygraph ... Employee Type: Part-Time On-Call Percentage of Travel Required : None Type of Travel: None Anticipated Posting End:...End: 1/31/2026 **The Opportunity:** CACI is seeking a skilled Software Developer for our Summer 2026 Makalu internship program.… more
    CACI International (01/07/26)
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  • SE/SEIT Lead - Top Secret Clearance

    Lockheed Martin (Littleton, CO)
    …"Family of Programs," we offer a wide range of innovative hardware and software products that provide mission\-critical capabilities, focusing on key areas such as ... and deployment\. This is an exciting opportunity for a seasoned SE or SEIT engineer to lead a team of talented engineers and technicians in the development and… more
    Lockheed Martin (12/10/25)
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  • IT Software Engineer - .Net/Web

    Nelnet (Centennial, CO)
    …they live, learn, and work. Responsible for developing enterprise wide cross-functional software solutions, working closely with IT Software Architects and IT ... work experience. **EXPERIENCE:** Minimum 3 years of experience in software development with strong skills in at least one...+ Working knowledge of the network and/or server infrastructure required to host an application on the platforms in… more
    Nelnet (11/18/25)
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  • Systems Administrator (TS/SCI with Poly…

    Fluor (Aurora, CO)
    …of Defense and the Intelligence Community. **Job Description** Must possess a clearance at the TS/SCI access level, and have favorably completed a government ... using a VMware backend infrastructure. Analyze and test new software and software version upgrades in test...and accurate fashion, and provide end user training where required * Manage all network hardware and equipment; security… more
    Fluor (10/29/25)
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  • DARC Software Engineer

    Actalent (Colorado Springs, CO)
    Job Title: DARC Software Engineer Job Description Design, implement, and maintain mission applications and services using C++, Python, and MATLAB, aligned with ... concepts to integrate, test, and validate features. Collaborate across systems, software , test, and operations teams to deliver reliable and secure capabilities… more
    Actalent (01/06/26)
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  • Systems Architect - Secret Clearance

    Lockheed Martin (Colorado Springs, CO)
    …at and outside of work\. **Basic Qualifications:** \- An Active Final Secret clearance is required \. \- Comprehensive knowledge of Systems Engineering processes ... and enhancing critical missile defense technologies\. **The Work** The Interface Engineer will lead in authoring and designing Interface Control Documents \(ICDs\)… more
    Lockheed Martin (12/10/25)
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  • Software Engineer I (For SNC Summer…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …a summer 2025 intern​ + The ability to obtain and maintain Secret US Security Clearance is required ​ + Basic knowledge of Computer Aided Engineering tools + ... enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You...by 8 USC 1324b(a)(3), or eligible to obtain the required authorizations from the US Department of State or… more
    Sierra Nevada Company, LLC (01/07/26)
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  • Software Engineer Intern - Summer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …after end of internship + The ability to obtain and maintain a Secret US Security Clearance is required + Strong skills in Word, Excel, PowerPoint and Visio + ... the ability to obtain and maintain a Secret US Security Clearance . US Citizenship status is required as this position needs an active US Security Clearance more
    Sierra Nevada Company, LLC (12/11/25)
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  • Remote Principal Software Engineer

    Oracle (Denver, CO)
    …science or a related field. + US Citizenship and willingness to obtain security clearance after starting is required . + 8+ years of relevant experience. + ... low-latency cloud-based data systems. You'll lead technical efforts, collaborate with software teams, design solutions, write code, and deliver high-quality … more
    Oracle (11/25/25)
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