Senior Mechanical Engineer - Thermal Engineer

About Raytheon

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.

About the Team

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. We utilize methods ranging from classical fundamental and empirically based techniques to state-of-the-art finite element methods, all complimented and validated by tests executed in a manner to ensure cost-effective yet technically balanced solutions.

About the Role

We are seeking a mid-level Senior Thermal Engineer to join the MA&T Department at our onsite facility in Tucson, AZ. In this role, you will perform detailed thermal analysis on products throughout their lifecycle, from initial design trade studies and proposals through qualification testing to enduring production support. You will tackle a wide range of difficult problems, requiring solutions that are imaginative, thorough, and practical, while adhering to organizational objectives.

Your day-to-day work will span the spectrum from classical hand analyses to detailed analyses requiring finite element analysis software. You will be accountable for completing your work within agreed-upon cost and schedule constraints. Beyond technical execution, you will present your work for peer reviews, serve as a peer reviewer for other engineers, and plan and support tests, perform data reduction, and engage in thermal model correlation. You may also act as a technical leader to help define and develop departmental processes and tools.

Hiring Process & Application

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid, or remote. RTX anticipates the application window closing approximately 40 days from the date the notice was posted, though business necessity may require adjustments to this timeline.

Equal Opportunity Employer

RTX 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.