Senior Mechanical Engineer - Structural Engineer

RTX (Raytheon); Tucson (AZ); On-site; USD 110,000 - 160,000; Full time

Job summary

RTX (Raytheon) in Tucson, AZ, is seeking a mid-level to senior Structural Engineer to join the Mechanical Analysis and Test (MA&T) Department. You will perform detailed structural analyses to support development and production, ranging from hand calcs to finite element analyses, and present findings for peer reviews.

The role requires a STEM bachelor's and at least 5 years of relevant experience, along with the ability to obtain a DoD Secret clearance; U.S. citizenship is required.

Qualifications

• Bachelor's degree in STEM and a minimum of 5 years of relevant experience.
• Experience in structural analysis with PATRAN, NASTRAN, ANSYS, ABAQUS or equivalent.
• Ability to obtain a U.S. government issued security clearance; U.S. citizenship is required.

Responsibilities

• Perform detailed structural analyses to support development and production across programs.
• Cover range from hand calculations to finite element analyses and present for peer reviews.

Skills

Structural analysis

Mechanical principles

Team collaboration

Security clearance eligibility

Education

Bachelor's degree in STEM

5+ years of relevant experience

Tools

PATRAN

NASTRAN

ANSYS

ABAQUS

CREO

Job description

Date Posted:

2026-10-15

Country:

United States of America

Location:

US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805

Position Role Type:

Onsite

U.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 clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world‑class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

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.

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.

What You Will Do

Raytheon is seeking a mid-level career Senior Structural Engineer to join the Mechanical Analysis and Test Department. In this role you will be responsible for detailed structural analysis 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. The analysis tasks will span the spectrum from classical hand calculations to detailed analyses requiring the use of finite element analysis software. You will be expected to define the scope and level of analysis required to meet the objectives and will be held accountable for completing the work within the agreed upon cost and schedule. You will be expected to present your work for peer reviews and to be a peer reviewer for other engineers' work. The customers of this position will include internal personnel and programs as well as external Government(s) personnel and programs.

Qualifications You Must Have

• Bachelor's degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience; An advanced degree in a related field may be substituted for additional years of experience as follows: Master's is equal to 2 years of experience or a Ph.D. is equal to 5 years of experience
• Experience in structural analysis with any of the following tools: PATRAN, NASTRAN, ANSYS, ABAQUS or equivalent software
• Working knowledge of mechanical principles to solve classical structural engineering problems both inside and outside of software tools
• Ability to work in a collaborative, team-based environment and independently
• Ability to obtain a U.S. government issued security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, Clearance must be active and transferable prior to start date

Qualifications We Prefe r

• 8+ 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: planning, organization, execution, data reduction and correlation
• Experience with dynamic shock and vibration analysis
• Experience with solid modeling CAD tool such as CREO or equivalent
• Experience with Matlab
• Experience leading teams and strong interpersonal skills working in a team environment
• Experience presenting to external customers
• Ability to travel to government and other facilities in support of program activities
• Advanced degre