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Updated twice daily · Oct 6, 2026
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Mechanical Engineer II (Onsite)

RTX (Raytheon)Tucson, AZFull-time

This engineer will support hardware development from early concepts through production, creating mechanical components, assemblies, and engineering documentation for high-reliability defense products. The position involves using parametric 3D CAD, conducting structural or thermal evaluations, supporting prototype and verification activities, and resolving issues found during integration or manufacturing. The engineer will work closely with systems, electrical, manufacturing, suppliers, and factory personnel, with occasional travel to U.S. customer or supplier locations. It suits someone with graduate-level STEM preparation, practical mechanical design experience, and an interest in aerospace or defense engineering. U.S. citizenship and eligibility for a DoD Secret clearance are required.

Requirements

Master’s degree in a STEM field by the start dateExperience with parametric 3D CAD and detailed engineering drawingsMechanical design experience from coursework, research, projects, or employmentU.S. citizenship and ability to obtain an interim DoD security clearancePreferred background in mechanical or aerospace engineeringKnowledge of GD&T and hands-on prototyping or fabrication experience
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Listed October 6, 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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