Senior Mechanical Engineer – Onsite Tucson | Relocation

RTX; San Diego (CA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Relocation

On-site in Tucson, AZ

Job summary

RTX's Test Equipment Engineering (TEE) Directorate is seeking a Senior Mechanical Engineer to design, develop, document, and sustain complex test environment systems for Raytheon Missile Defense products. You will mentor less experienced engineers and contribute across all lifecycle phases—from design to sustainment.

This 100% onsite role in Tucson, AZ, requires a DoD Secret clearance and a strong background in mechanical design, GD&T, and 3D CAD.

Qualifications

• Bachelor’s degree in a STEM field and five years of relevant engineering experience.
• Five years of mechanical design or production support.
• Experience with 3D CAD modeling tools (CREO/ProE).
• Knowledge of GD&T.
• Ability to obtain and maintain a U.S. government security clearance.

Responsibilities

• Create mechanical test systems used across advanced environments—vibration, thermal, hydraulic, RF, electro‑optical, etc.
• Build and validate test solutions that deliver high accuracy and reliability in demanding production settings
• Diagnose production issues and recommend design improvements that elevate system performance
• Support and coach less experienced engineers while contributing to all phases of the test equipment engineering lifecycle, from design to sustainment.

Skills

Mechanical design

3D CAD (CREO/ProE)

GD&T

Engineering documentation

Security clearance eligibility

Education

Bachelor’s degree in STEM

Advanced degree in related field

Tools

Windchill

cPDM

Job description

RTX's Test Equipment Engineering (TEE) Directorate is seeking a Senior Mechanical Engineer to design, develop, document, and sustain complex test environment systems for Raytheon Missile Defense products. You will mentor less experienced engineers and contribute across all lifecycle phases—from design to sustainment.

This 100% onsite role in Tucson, AZ, requires a DoD Secret clearance and a strong background in mechanical design, GD&T, and 3D CAD.