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Updated twice daily · Oct 5, 2026
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Senior Simulation Systems Engineer Onsite

RTX (Raytheon)Tucson, AZ$86,800 - $165,200 USD

The position supports a Raytheon team focused on advanced simulation and technical computing for aerospace and defense systems. Responsibilities include creating and using digital models, conducting trade studies across threat and kill-chain scenarios, and evaluating missile effectiveness and survivability. The engineer will also build, test, and validate model-based decision solutions while working with program leaders, customers, and subject-matter experts. This role suits an experienced STEM professional who can code in Python or C++, analyze complex computational problems, and work effectively in a cleared environment. Familiarity with mission or campaign analysis tools, advanced engineering or physics education, and practical knowledge of magnetism would be valuable.

Requirements

STEM degree and at least 5 years of relevant experiencePython or C++ software development experienceActive, transferable U.S. Secret clearance and U.S. citizenshipExperience with high-fidelity or mission-analysis simulation toolsBackground in performance engineering, modeling, or computational analysisWillingness to work onsite in Tucson and travel occasionally
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Listed October 1, 2026 · Verify details with the employer before applying.

About RTX (Raytheon)

Missile maker Raytheon, an RTX business, says its Tucson campus is home to Tomahawk and AMRAAM missiles and is adding automated factories (as of Oct. 2026).

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