Sr. Principal Mechanical Engineer-Structural Eng.

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 utilizing methods ranging from classical fundamental & empirically based techniques to state-of-the-art finite element methods leveraging industry-leading commercial tools. All solutions are complemented and validated by tests executed in a manner to ensure cost-effective yet technically balanced outcomes.

About the Role

Raytheon is seeking an experienced Senior Principal Structural Engineer to join the Mechanical Analysis and Test Department. In this role, you will serve as a technical Subject Matter Expert (SME) and leader, defining the scope of analysis and testing required to meet program objectives. You will be responsible for detailed structural analysis and testing across all phases of programs, from development to production.

Your work will span the spectrum from classical hand calculations to complex finite element analyses, addressing difficult problems that require imaginative and thorough solutions. You will act as a peer reviewer for other engineers' work and present results to internal stakeholders as well as external government personnel. As a recognized technical leader, you will help define and develop MA&T department technical processes and tools, ensuring your individual work meets agreed-upon cost and schedule constraints.

Hiring Process & Application

Please consider the role type definition as you apply: this position is designated as Onsite, meaning employees will work primarily at the Tucson, AZ location. 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.

Candidates must be U.S. citizens, as only U.S. citizens are eligible for the required Active and transferable U.S. government-issued Secret security clearance prior to the start date.

Our Culture & Commitment

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX, we value Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

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.