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  1. Home
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  5. Sr. Principal Mechanical Engineer-Structural Eng.
Raytheon logo

Sr. Principal Mechanical Engineer-Structural Eng.

Not Disclosed•Full-TimeOn-site

location_on428, South Rosemont Boulevard, Tucson, Pima County, Arizona, 85711, United States

Apply Now

About Raytheon and the Mission

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 complemented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions.

About the Role

Raytheon is seeking an experienced Senior Principal Structural Engineer to join the Mechanical Analysis and Test Department with a background in high temperature structural materials such as refractory metals, Ceramics, and Ceramic Matrix Composites (CMC's). In this role, you will be responsible for detailed structural analysis and testing to support all phases of programs including development and production. The analyses will cover a wide range of difficult problems, requiring solutions that are imaginative, thorough, practicable, and consistent with organization objectives.

As a recognized technical leader, you will work under general direction to define the scope and level of analysis or test required to meet objectives. You will act as a technical Subject Matter Expert (SME) to help define and develop the MA&T department technical processes and tools. Your work will span the spectrum from classical hand calculations to detailed analyses requiring the use of finite element analysis software, and from coupon-level material characterization to subsystem and system level design verification testing. You will be held accountable for your individual work within agreed upon cost and schedule constraints, presenting your work for peer reviews and serving as a peer reviewer for other engineers' work. The customers of this position include internal personnel and programs as well as external Government personnel and programs.

Location and Work Model

The Senior Principal Mechanical Engineer - Structural job is based in Tucson, AZ, at the RMS AP Bldg 805. This position is designated as Onsite. Employees in Onsite roles work primarily onsite, as they are essential to the development of our products. 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.

Security and Citizenship Requirements

This role requires an Active and transferable U.S. government issued security clearance (Secret - Current) prior to the start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Our Values

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.

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.

Work location

Work model: On-site

location_on

428, South Rosemont Boulevard, Tucson, Pima County, Arizona, 85711, United States

Tucson, Arizona

Key Responsibilities

  • check_circlePerform detailed structural analyses to support all phases of programs
  • check_circleGenerate test plans to validate analyses and verify hardware compliance
  • check_circleAnalyze test data to validate models and generate mechanical loads
  • check_circleCoordinate and lead technical peer reviews for work product accuracy
  • check_circlePresent results to internal stakeholders and external customers
  • check_circleGenerate detailed archival technical reports
  • check_circleAct as a technical leader to define and develop department processes
  • check_circleTravel to test sites to support testing or design discussions

Requirements

  • verifiedU.S. citizenship required
  • verifiedActive and transferable U.S. government issued security clearance (Secret)
  • verifiedBachelor's degree in STEM with 10+ years experience (or 14+ years without degree)
  • verifiedExperience with structural analysis software (PATRAN, NASTRAN, ANSYS)

Nice to Have

15+ years of professional experience in the structural analysis of complex systems that require collaboration of multiple engineering disciplines (such as a weapon system). Experience in structural testing including planning, organization, execution, data reduction, and correlation. Experience with dynamic shock and vibration analysis. Experience with solid modeling CAD tools such as CREO or equivalent. Experience with Matlab. Experience presenting to external customers. Ability to travel to government and other facilities in support of program activities. Advanced degree in aforementioned disciplines. ABET accreditation.

Benefits & Perks

check_circleMedical, dental, and vision insurancecheck_circleLife insurancecheck_circleShort-term and long-term disability insurancecheck_circle401(k) matchFlexible spending accounts
Raytheon logo
Company

Raytheon

Industry

engineering

View company profilearrow_forwardlanguageWebsite
Quick Overview

Experience

10+ yrs (Lead)

Education

Bachelor's degree in STEM required, or 14+ years experience

Job Type

Full-Time

Skills Required

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Sr. Principal Mechanical Engineer-Structural Eng.

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Skills, education and keywords

Skills: Patran, Nastran, Ansys, Creo, Matlab, Structural Analysis, Structural Testing, Dynamic Shock And Vibration Analysis, Solid Modeling, Finite Element Analysis.

Education: Bachelor's degree in STEM required, or 14+ years experience.

Frequently asked questions about Sr. Principal Mechanical Engineer-Structural Eng. at Raytheon

What does a Sr. Principal Mechanical Engineer-Structural Eng. at Raytheon do?expand_more
A Sr. Principal Mechanical Engineer-Structural Eng. at Raytheon is responsible for the following: Perform detailed structural analyses to support all phases of programs; Generate test plans to validate analyses and verify hardware compliance; Analyze test data to validate models and generate mechanical loads; and Coordinate and lead technical peer reviews for work product accuracy.
What are the requirements for this Sr. Principal Mechanical Engineer-Structural Eng. role?expand_more
Raytheon is looking for candidates who meet the following requirements: U.S. citizenship required; Active and transferable U.S. government issued security clearance (Secret); Bachelor's degree in STEM with 10+ years experience (or 14+ years without degree); and Experience with structural analysis software (PATRAN, NASTRAN, ANSYS).
Where is the Sr. Principal Mechanical Engineer-Structural Eng. role at Raytheon located?expand_more
Sr. Principal Mechanical Engineer-Structural Eng. at Raytheon is based in 428, South Rosemont Boulevard, Tucson, Pima County, Arizona, 85711, United States. This is a on-site role.
Is this Sr. Principal Mechanical Engineer-Structural Eng. job remote, hybrid, or on-site?expand_more
Raytheon has listed this Sr. Principal Mechanical Engineer-Structural Eng. role as on-site.
How much experience is required for this Sr. Principal Mechanical Engineer-Structural Eng. role?expand_more
Sr. Principal Mechanical Engineer-Structural Eng. at Raytheon typically requires 10+ years of relevant experience at the lead level.
What skills do you need for the Sr. Principal Mechanical Engineer-Structural Eng. role at Raytheon?expand_more
Key skills for Sr. Principal Mechanical Engineer-Structural Eng. at Raytheon include Patran; Nastran; Ansys; Creo; Matlab; Structural Analysis; Structural Testing; and Dynamic Shock And Vibration Analysis.
What education is required for Sr. Principal Mechanical Engineer-Structural Eng. at Raytheon?expand_more
Educational requirements for this role: Bachelor's degree in STEM required, or 14+ years experience.
What category does the Sr. Principal Mechanical Engineer-Structural Eng. role belong to?expand_more
Sr. Principal Mechanical Engineer-Structural Eng. at Raytheon is part of the engineering job category on Recrutus.
Recrutus

Curating the world's most innovative career opportunities. We bridge the gap between visionary talent and industry-leading companies.

Search roles by city, category, skill, or job type — explore verified US employers, salary benchmarks, and remote-friendly teams hiring nationwide.

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Recrutus helps candidates discover roles that match their skills and helps teams reach qualified applicants faster. Browse by metro, discipline, or work style — from internships to senior leadership.

© 2026 Recrutus. All rights reserved.
Terms of serviceCookie policyAcceptable useDMCA policyEmployer termsCandidate terms
check_circle
check_circleFlexible work schedules
check_circleEmployee assistance program
check_circleEmployee Scholar Program
check_circleParental leave
check_circlePaid time off and holidays
Patran
Nastran
Ansys
Creo
Matlab
Structural Analysis
Structural Testing
Dynamic Shock And Vibration Analysis
Solid Modeling
Finite Element Analysis
US privacy notice
Accessibility