Principal Mechanical Engineer ALE
RTX (Raytheon)
- Location
- US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030
- Work model
- On-Site
- Level
- Principal
- Posted
- Sep 3, 2026
About this role
Location: US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030

 Position Role Type: Onsite

 U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

 Security Clearance Type: Secret - Current

 Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At 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. The Hardware Engineering, Air Launched Effectors Department is seeking Mechanical Engineers for our Tucson AZ site supporting full program life cycle, early development, production support, and legacy sustainment activities across the Air Launched Effectors products and subsystems. These products support US Government and international customers. Mechanical Engineering positions perform in alignment to expectations in the design, development, and production support areas associated with mechanical designs, validation principals, qualification processes, procurement, and production processes across a design life cycle. Development work may include requirements understanding, concept development, DFMAs, PFMAs, margin analysis, technical data package (TDP) development, application of geometric dimensioning and tolerancing principals, engineering test principals, preparation of technical analysis reports, and presenting in design reviews. These positions support product lines based in Tucson, AZ, and may require domestic and international travel to suppliers, Raytheon facilities, and customer sites. Positions are onsite in Tucson, Arizona What You Will Do Perform mechanical design, development, and documentation of components, sub-assemblies, for tactical missile systems and equipment in accordance with system requirements. Lead mechanical engineering teams and collaborate across multiple disciplines with structural and thermal analyst, Materials Engineering, Quality, Safety, Supply Chain, Operations, and program leadership. Support the factory and suppliers with product development, obsolescence, troubleshooting, domestically and internationally. Interface with other engineering disciplines, non-technical disciplines, and suppliers to develop design solutions and resolve technical challenges. Work with limited supervision and meet commitments for assigned schedule, financial, and technical goals. Support and participate in design peer reviews, resolving action items, and conduct trade studies to make sound technical decisions. Working knowledge of First Article Inspection process (FAI), work along side Quality engineers in support of that in addition to Raytheon Source Inspection (RSI). Apply knowledge and experience in technical problem solving and hardware development in a fast paced, team environment. Mentor and guide a team of engineers within program. Utilize Raytheon hardware tools and processes.
Qualifications
You Must Have: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience. Experience in ANSI/ASME Y14.5 GD&T (Geometric Dimension and Tolerances) and tolerance analysis. Experience in CREO (Pro/E) or similar 3D solid modeling software.
Qualifications
We Prefer Experience in a technical leadership role including experience across