• Principal Java Software Engineer…

    RTX Corporation (Aurora, CO)
    …and a minimum of 8 years of prior relevant experience. + Experience in object-oriented software design and development using Java in a Linux environment. + ... tough, meaningful problems that create a safer, more secure world. In the **Principal Java Software Engineering** role, you will design, develop, and test … more
    RTX Corporation (10/13/25)
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  • Java Software Engineer

    CACI International (Aurora, CO)
    Java Software Engineer Job Category: Engineering...field + 5+ years of relevant software development experience + Active TS/SCI clearance with ... to mission-critical projects while advancing your career in software development and automated testing! **An active TS/SCI clearance with Polygraph… more
    CACI International (10/03/25)
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  • Senior Java DevOps Developer

    CACI International (Denver, CO)
    …skills and abilities + 5-7 years of software experience of back-end development and container experience + Java 8+, Hibernate, Maven, relational databases ... unique role you'll be responsible for designing, developing, integrating and testing Java software components in a scalable architecture. Familiar with… more
    CACI International (09/19/25)
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  • Java - Mainframe Programmer

    GovCIO (Denver, CO)
    …technologies and tools such as Natural + Experience 4 to 6 years of Java development + Proficiency in building web-based applications + In-depth knowledge of ... **Overview** GovCIO is currently hiring for Java - Mainframe Developer to perform maintenance, remediation's,...in Natural using ADABAS + Experienced in developing using Software AG's NaturalONE Eclipse-based development environment +… more
    GovCIO (11/07/25)
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  • Senior Software Engineer (Top Secret…

    KBR (Colorado Springs, CO)
    …every level. + Impactful Work: Your work here won't just be limited to software development -it will directly support the Department of Defense in expanding ... Title: Senior Software Engineer (Top Secret Security Clearance ...and development of database models and backend-for-frontend software development . Additional responsibilities include interfacing with… more
    KBR (11/07/25)
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  • X-LAB Software Engineer - Secret…

    Lockheed Martin (Schriever AFB, CO)
    …the design, development , test, integration and fielding of hardware and software elements that enable the Missile Defense System \(MDS\) to function effectively ... clearance required prior to starting * Experience with Java and the Spring framework * Experience working in...orchestration tasks * Skills in packaging, installing, and diagnosing software in both development and operational settings… more
    Lockheed Martin (11/14/25)
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  • Software Integration and Test Engineer…

    Lockheed Martin (Colorado Springs, CO)
    …Technology disciplines\. \- Experience with Java , R, MatLab, HTML, C\+\+ software development \- Strong verbal and written communication skills \- Strong ... supporting the information technology team providing critical maintenance for the software development and ancillary laboratory environments supporting the… more
    Lockheed Martin (11/09/25)
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  • Systems Engineer - Clearance Required

    Lockheed Martin (Littleton, CO)
    development process\. \- You will be ensure the execution of software development and programming primarily in Java and/or Python in a team environment ... across evolving cyber threats\. As risks to our hardware, software , and supply chains continue to rise, our customers...implemented\. \-The candidate will be working in an agile development environment on RedHat Linux\-based OS and will be… more
    Lockheed Martin (11/01/25)
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  • System Test Analyst - Secret Clearance

    Lockheed Martin (Schriever AFB, CO)
    …key test findings and assist with anomaly resolution\. * Aiding in the development of new software tools and maintenance of existing toolset\. **Please ... Note:** * This position requires a government security clearance at the Secret level; you must be a...development , test, integration and fielding of hardware and software elements that enable the Missile Defense System \(MDS\)… more
    Lockheed Martin (11/14/25)
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  • C2BMC Global Algorithm Engineer - Secret…

    Lockheed Martin (Colorado Springs, CO)
    …**Desired Skills:** \- Experience on with Missile Defense Agency \(MDA\) software development \. \- Physics knowledge \(aero\-dynamics, astro\-dynamics\) \- ... including Systems Engineering Methodologies \(Model Based and DoDAF\)\. Basic understanding of Software Languages \(such as JAVA and Python\)\. Code and peer… more
    Lockheed Martin (10/24/25)
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