• Principal Systems Engineer (MBSE)…

    RTX Corporation (Aurora, CO)
    …that create a safer, more secure world. Raytheon Technologies is seeking a Principal Systems Engineer (MBSE) to provide enterprise-wide systems engineering and ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (09/03/25)
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  • Senior Principal RF Engineer

    RTX Corporation (Aurora, CO)
    …secure world. The Apertures and RF Team at Raytheon is looking for a Sr. Principal Engineer , Electrical & Electronics Engineering to be a member of a technical ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (11/12/25)
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  • Sr Principal Engineer Systems…

    Northrop Grumman (Colorado Springs, CO)
    …Space Systems-Launch and Missile Defense Systems offers an excellent opportunity for a Sr Principal Engineer Systems - Interface (25-458), to join our team of ... demonstrate the missile defense system's current and future capabilities. The Interface Engineer will lead the development of **ICDs** and **IDDs** . This includes… more
    Northrop Grumman (09/13/25)
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  • Sentinel Principal Software Engineer

    Northrop Grumman (Colorado Springs, CO)
    …life and launch your career today. Northrop Grumman Defense Systems is seeking ** Principal Software Engineer ** . This position will be located in **Manhattan ... You'll Get To Do.** * Design and define system architecture for new or existing complex computer systems *...offer a competitive relocation assistance package. **Job Qualifications:** * Principal Software Engineer : 05 Years with Bachelor's… more
    Northrop Grumman (08/31/25)
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  • Engineer Senior Principal - Command…

    BAE Systems (Boulder, CO)
    …awards. Other incentives may be available based on position level and/or job specifics. ** Engineer Senior Principal - Command & Data Handling / Networking ... for external hires. This technical role is for an engineer who will work within the Command and Data...to support the definition of requirements, development of the architecture , implementation of the design, and verification of the… more
    BAE Systems (11/04/25)
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  • Sentinel - Sr Principal Systems…

    Northrop Grumman (Colorado Springs, CO)
    …your career today. Northrop Grumman Defense Systems is seeking to hire a Sr. Principal Systems Engineer to join its team of diverse and qualified individuals. ... Sentinel program has an exciting opportunity for a Systems Engineer to join the team supporting activities including use...both technical teams and stakeholders to develop and mature architecture content of large programs design. + Help develop… more
    Northrop Grumman (09/10/25)
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  • Principal Systems Engineer

    Leidos (Aurora, CO)
    …**Leidos** has a new and exciting opportunity for a Principal Systems Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...impactful results. Leidos is currently looking to add a Principal Systems Engineer (SE-3) to a growing… more
    Leidos (10/09/25)
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  • Principal /Senior Principal Systems…

    Northrop Grumman (Aurora, CO)
    …only part of history, they're making history. **About the Team:** We are looking for a Principal or Senior Principal Systems Engineer to join our team at ... Linux system design, administration, and sustainment (no Windows!), cyber security , network and hardware engineering, Algorithm development, and analysis. Currently,… more
    Northrop Grumman (08/22/25)
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  • Senior Principal Radar Systems…

    RTX Corporation (Colorado Springs, CO)
    …Battlespace Integration, and Interoperability for Domestic and International customers. The Senior Principal Radar Systems Engineer will be part of a Colorado ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (10/01/25)
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  • Technical Fellow Senior Principal III…

    BAE Systems (Boulder, CO)
    **Job Description** The SIGINT Mission Chief Engineer (MCE) serves as the principal technical authority, responsible for leading a cross-functional team and ... be available based on position level and/or job specifics. **Technical Fellow Senior Principal III SIGINT Mission Chief Engineer ** **115754BR** EEO Career Site… more
    BAE Systems (09/12/25)
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