Senior Mechanical Engineer – TEEAt Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world.LocationOnsite in Tucson, AZ.ResponsibilitiesCreate 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.Qualifications (Must Have)Typically requires a bachelor's degree in a STEM field and five (5) years of relevant engineering experience, OR an advanced degree in a related field and minimum three (3) years of related work experience.Minimum five (5) years of experience in mechanical design and/or production support.Minimum five (5) years of experience with 3D CAD modeling tools (CREO / ProE preferred).Working knowledge of geometric dimensioning and tolerancing (GD&T).Experience creating mechanical drawings or engineering documentation.U.S. citizenship required; ability to obtain and maintain a U.S. government security clearance (DoD Secret).Qualifications (Preferred)Experience with mechanical or electro-mechanical packaging.Experience creating complex drawing or design packages.Familiarity with configuration management tools (e.g., Windchill, cPDM).Exposure to Model-Based Engineering or Model-Based Design.Experience in areas such as materials, thermal/structural analysis, control systems, electrical integration, or large assembly design.Experience with environmental or qualification testing (vibration, shock, thermal, etc.).Exposure to systems engineering.BenefitsRelocation assistance.Medical, dental, vision, life insurance, and short- and long-term disability coverage.401(k) match and flexible spending accounts.Parental leave, paid time off, and holidays.Employee assistance program and Employee Scholar Program.EEO StatementRTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.#J-18808-Ljbffr