Principal Mechanical Engineer - Thermal Engineer
Raytheon (RTX) · Tucson, AZ · Engineering
About this role
Raytheon (RTX) is hiring a principal-level Hardware Engineer in the software engineering function based in Tucson, AZ. The posting calls out experience with Security, Testing.
- Role
- Hardware Engineer
- Function
- software engineering
- Level
- principal
- Track
- Tech leadership
- Employment
- Full-time
- Location
- Tucson, AZ
- Department
- Engineering
- Posted
- May 18, 2026
More roles at Raytheon (RTX)
Job description
from Raytheon (RTX) careersDate Posted:
2026-05-18Country:
United States of AmericaLocation:
US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805Position Role Type:
OnsiteU.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 clearanceSecurity Clearance Type:
DoD Clearance: SecretSecurity Clearance Status:
Ability to obtain INTERIM U.S. government issued security clearance is required prior to start dateAt 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 Mechanical Analysis and Test (MA&T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products. From preliminary concepts to fielded weapon system support, MA&T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental & empirically based techniques to state-of-the-art finite element methods leveraging industry leading commercial tools; all complimented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions.