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  1. Home
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  5. Senior Principal Mechanical Engineer - Structural, High Temp Materials
Raytheon logo

Senior Principal Mechanical Engineer - Structural, High Temp Materials

Not Disclosed•Full-TimeOn-site

location_onSun Station Post Office, East Speedway Boulevard, Sam Hughes, Tucson, Pima County, Arizona, 85724, United States

Apply Now

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. These are 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. In this role, you will act as a technical Subject Matter Expert (SME) to help define and develop the MA&T department's technical processes and tools. You will be responsible for detailed structural analysis and testing to support all phases of programs, including development and production.

You will work under general direction to define the scope and level of analysis or testing required to meet objectives. Your work will span the spectrum from classical hand calculations to detailed analyses requiring finite element analysis software, and from coupon-level material characterization to subsystem and system-level design verification. As a recognized technical leader, you will be accountable for your individual work within agreed-upon cost and schedule constraints, presenting your work for peer reviews and serving as a reviewer for other engineers' work. Your customers will include internal personnel, programs, and external Government personnel.

Hiring Process & Application

Please consider the role type definition as you apply: this position is Onsite, meaning employees will 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.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

Equal Opportunity

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.

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.

Work location

Work model: On-site

location_on

Sun Station Post Office, East Speedway Boulevard, Sam Hughes, Tucson, Pima County, Arizona, 85724, United States

Tucson, Arizona

Key Responsibilities

  • check_circlePerform detailed structural analysis and testing to support all program phases
  • check_circleConduct data collection for material characteristics and recommend tests to address gaps
  • check_circleGenerate test plans to validate analyses and verify hardware compliance to customer requirements
  • check_circleCoordinate and lead technical peer reviews to ensure technical accuracy of work products
  • check_circlePresent results to internal stakeholders and external government customers
  • check_circleTravel to test sites to support testing activities or design discussions as needed
  • check_circleAnalyze test data to validate models, correlate results, and generate mechanical loads
  • check_circleAct as a technical leader to define and develop departmental technical processes and tools
  • check_circleGenerate detailed archival technical reports documenting analysis and test findings

Requirements

  • verifiedU.S. citizenship required
  • verifiedActive Secret security clearance required
  • verifiedSTEM degree with 10+ years experience or Advanced degree with 7+ years
  • verifiedExperience with PATRAN, NASTRAN, ANSYS or equivalent
  • verifiedExperience with CMH-17 guidelines
  • verifiedExperience with high temperature material systems for hypersonic aerospace

Nice to Have

Experience in industry standard structural analysis. Understanding of mechanical principles to solve classical structural analysis both inside and outside finite element tools. Ability to work in a collaborative, team-based environment and independently. Experience contributing to technical discussions and demonstrating strong interpersonal skills working in a team environment. 15+ years of professional experience in the structural analysis of complex systems that require collaboration of multiple engineering disciplines. Experience in structural testing including planning, organization, execution, data reduction, and correlation. Experience designing or analyzing mechanical joints for composite materials in high temperature environments. Experience using Digital Image Correlation (DIC) software and practices. Experience using fracture modeling techniques for composite materials (VCCT, CZM). Experience with test planning to evaluate structures designed for high temperature environments. Experience with environmental barrier coatings applied to CMCs. 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. High temperature materials experience for hypersonics as well as Ceramic Matrix Composites (CMC) experience and knowledge.

Benefits & Perks

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

Raytheon

Industry

Defense and Space Manufacturing

Headquarters

Arlington, VA

Open Roles

36

Raytheon, a division of RTX, develops advanced defense technologies for aerospace, cybersecurity, and space exploration. Based in Arlington, VA, the company focuses on integrated air and missile defense systems, next-generation sensor technologies, hypersonic capabilities, and secure digital infrastructure. Operating within the defense and space manufacturing sector, Raytheon delivers solutions designed to enhance national security and operational efficiency. Its expertise spans both terrestrial and orbital domains, supporting military and government agencies with cutting-edge tools to address evolving threats. The company emphasizes innovation in engineering and strategic partnerships to advance defense readiness globally.
View company profile

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Frequently asked questions about Senior Principal Mechanical Engineer - Structural, High Temp Materials at Raytheon

What does a Senior Principal Mechanical Engineer - Structural, High Temp Materials at Raytheon do?expand_more
Day-to-day, the Senior Principal Mechanical Engineer - Structural, High Temp Materials at Raytheon will perform detailed structural analysis and testing to support all program phases; conduct data collection for material characteristics and recommend tests to address gaps; generate test plans to validate analyses and verify hardware compliance to customer requirements; and coordinate and lead technical peer reviews to ensure technical accuracy of work products.
What are the requirements for this Senior Principal Mechanical Engineer - Structural, High Temp Materials role?expand_more
Raytheon is looking for candidates who meet the following requirements: U.S. citizenship required; Active Secret security clearance required; STEM degree with 10+ years experience or Advanced degree with 7+ years; Experience with PATRAN, NASTRAN, ANSYS or equivalent; Experience with CMH-17 guidelines; and Experience with high temperature material systems for hypersonic aerospace.
Where is the Senior Principal Mechanical Engineer - Structural, High Temp Materials role at Raytheon located?expand_more
Senior Principal Mechanical Engineer - Structural, High Temp Materials at Raytheon is based in Sun Station Post Office, East Speedway Boulevard, Sam Hughes, Tucson, Pima County, Arizona, 85724, United States. This is a on-site role.
Is this Senior Principal Mechanical Engineer - Structural, High Temp Materials job remote, hybrid, or on-site?expand_more
Raytheon has listed this Senior Principal Mechanical Engineer - Structural, High Temp Materials role as on-site.
How much experience is required for this Senior Principal Mechanical Engineer - Structural, High Temp Materials role?expand_more
Senior Principal Mechanical Engineer - Structural, High Temp Materials at Raytheon typically requires 10+ years of relevant experience at the lead level.
What skills do you need for the Senior Principal Mechanical Engineer - Structural, High Temp Materials role at Raytheon?expand_more
Key skills for Senior Principal Mechanical Engineer - Structural, High Temp Materials at Raytheon include Patran; Nastran; Ansys; CMH-17; Digital Image Correlation; VCCT; CZM; and Creo.
What category does the Senior Principal Mechanical Engineer - Structural, High Temp Materials role belong to?expand_more
Senior Principal Mechanical Engineer - Structural, High Temp Materials at Raytheon is part of the engineering job category on Recrutus.

About Raytheon

Raytheon, a division of RTX, develops advanced defense technologies for aerospace, cybersecurity, and space exploration. Based in Arlington, VA, the company focuses on integrated air and missile defense systems, next-generation sensor technologies, hypersonic capabilities, and secure digital infrastructure. Operating within the defense and space manufacturing sector, Raytheon delivers solutions designed to enhance national security and operational efficiency. Its expertise spans both terrestrial and orbital domains, supporting military and government agencies with cutting-edge tools to address evolving threats. The company emphasizes innovation in engineering and strategic partnerships to advance defense readiness globally.

Browse more roles: All Raytheon jobs, engineering jobs on Recrutus.

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check_circleFlexible work schedules
check_circleEmployee assistance program
check_circleEmployee Scholar Program
check_circleParental leave
check_circlePaid time off and holidays
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Quick Overview

Experience

10+ yrs (Lead)

Job Type

Full-Time

Skills Required

PatranNastranAnsysCMH-17Digital Image CorrelationVCCTCZMCreoMatlabFinite Element Analysis
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