• Software Engineer Intern - Summer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems . Its end-to-end ... ability to obtain and maintain a Secret US Security Clearance is required + Strong skills in Word, Excel,...ability to obtain and maintain a Secret US Security Clearance . US Citizenship status is required as this position… more
    Sierra Nevada Company, LLC (09/12/25)
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  • Big Data Systems Engineer (Remote)

    KBR (Denver, CO)
    Title: Big Data Systems Engineer (Remote) Belong, Connect, Grow, with KBR! KBR's National Security Solutions (NSS) team provides high-end engineering and ... our national security. KBR is seeking a Big Data Systems Engineer to join our team. The...require you to work closely with system administrators and software developers to communicate, document and ultimately resolve deployment… more
    KBR (07/29/25)
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  • Senior Lead Software Development…

    Lumen (Denver, CO)
    …digitally connect the world and shape the future. **The Role** The Senior Lead Software Development Engineer contributes to the design and development of complex ... ServiceNow solutions, including integrations with external systems and platforms. This role translates business requirements into technical designs and collaborates… more
    Lumen (09/27/25)
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  • Sentinel - Sr. Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …career today. Northrop Grumman Defense Systems is seeking to hire a **Sr. Principal Systems Engineer - CAM** to join its team. This position is in **Colorado ... you will get to do:** The selected Sr. Principal Systems Engineer - CAM will join the...for the development of complex systems of systems . + Multi-Disciplinary Engineering exposure ( Software , Hardware,… more
    Northrop Grumman (10/02/25)
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  • Systems Engineer , Senior…

    Lockheed Martin (Englewood, CO)
    …joining the Systems Engineering Integration and Test \(SEIT\) team as a Systems Engineer \. The SEIT Requirements and Verification team handles all System ... missile subsystems into the flight vehicle design\. As a ** Systems Engineer for Requirements and Verification** on...general direction * Active or Current DoD Secret security clearance with eligibility to obtain a Top Secret **Desired… more
    Lockheed Martin (09/05/25)
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  • Senior Systems Engineer (MBSE)…

    RTX Corporation (Aurora, CO)
    …create a safer, more secure world. Raytheon Technologies is seeking a Principal Systems Engineer (MBSE) to provide enterprise-wide systems engineering and ... models to analyze and optimize the performance of complex systems . Work with a variety of software ...only US citizens are eligible for the required security clearance .** **Qualifications We Prefer** + Experience with systems more
    RTX Corporation (09/03/25)
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  • Sr Staff / Senior Systems Engineer

    SciTec (Boulder, CO)
    …not be considered. SciTec has an immediate opportunity for a talented senior systems engineer to support our programs delivering Next-Generation Missile Warning ... is a requirement to obtain and keep a security clearance . Applicants that do not meet these requirements will...systems engineering processes in support of the Agile software development program. SciTec seeks a candidate who will… more
    SciTec (09/06/25)
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  • Space Systems Cyber Security…

    General Atomics (Englewood, CO)
    …support defense, civil, commercial, and academic mission requirements. We're seeking a Space Systems Cyber Security Engineer to join our team in Englewood, CO. ... space systems solutions. **DUTIES AND RESPONSIBILITIES:** Serve as an Information Systems Security Engineer (ISSE) for one or more development programs. +… more
    General Atomics (07/09/25)
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  • Sr Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    SNC is on the lookout for a Systems Engineer with expertise in sensor systems to support the design, integration, and validation of advanced mission ... systems on airborne platforms. In this dynamic role, you...+ Cross-Disciplinary Collaboration: Work closely with multidisciplinary teams, including software , electrical, and optical engineers. + System Integration and… more
    Sierra Nevada Company, LLC (09/24/25)
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  • Lead Sr. Staff SE/SEIT - Top Secret…

    Lockheed Martin (Littleton, CO)
    …engineering efforts\! **Basic Qualifications:** * Current/Active DoD Top Secret Security Clearance with SCI eligibility * Strong Systems Engineering, ... an exciting opportunity for a seasoned SE or SEIT engineer to lead a team of talented engineers and...System Development Life Cycle execution and best practices on software and hardware\-based systems \. * Experience in… more
    Lockheed Martin (09/24/25)
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