Senior Mechanical Engineer

Date Posted:

2026-08-28

 Country:

United States of America

 Location:

US-AZ-TUCSON-807 ~ 1151 E Hermans Rd ~ BLDG 807

 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

We're growing fast and we want you to grow with us! We're expanding our engineering organization dramatically to meet exciting customer demand, and we're actively looking for engineers who bring strong foundational skills and a passion for solving hard problems. Industry experience in defense? Not required — we'll invest in you. If you meet the minimum qualifications, we want to talk. Apply today and take the next step in your engineering career.

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.

Raytheon’s Hardware Engineering (HWE) team leads the mechanical hardware design, development and production of critical defense systems. The HWE Team uses state-of-the-art tools, processes, technology, and Raytheon’s CORE principles. HWE’s capabilities encompass a broad range of technical disciplines which include engineering, manufacturing, technical services, materials, processes, analysis, test, and documentation.

The ideal candidate for Senior Mechanical Engineer will bring a blend of technical ability, experience in mechanical hardware design, system integration skills, and a strong background in program execution whether design and development or production support. As a key contributor on a mechanical or cross-functional engineering team, you will take responsibility for component and assembly modeling, documentation, design changes, and releases processes. This position is ideal for a mid-career mechanical engineer who is looking to grow their skills in design, manufacturing, and technical problem-solving within a highly collaborative and mission-focused environment.

What You Will Do

Design:

Developing innovative technical solutions to a wide range of complex challenges spanning the entire product lifecycle, including proposal, advanced development, design, manufacturing, integration, and testing of missiles and launchers, support equipment and electronics for military programs.

Perform mechanical design analyses utilizing engineering fundamentals to ensure form, fit, and function are as intended by design for the use-application.

Lead small teams utilizing strong mechanical hardware design experience and knowledge in a fast-paced collaborative environment with structures, thermal, harness and interconnects, electronics packaging, tooling and/or integration.

Provide support for product assembly and integration in factories and suppliers at both domestic and international locations to assess requirements compliancy.

Teaming/Communication:

Lead a mechanical engineering team and collaborate with cross-functional teams including other engineering disciplines, operations, supply chain, quality, and external suppliers to resolve technical challenges and develop effective design solutions.

Independently manage tasks and deliver on schedule, budget, and technical goals.

Participate in design reviews and conduct trade studies to support informed, sound engineering decisions.

Mentor and guide less experienced engineers, contributing to team development and technical growth.

Qualifications You Must Have

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience.

Experience in the creation, review and interpretation of technical documentation utilized in the development or production of hardware or tooling products.

Experience in mechanical design, advanced design development, manufacturing or tooling processes, or related areas.

Experience in the development, creation, release, or updates of engineering drawings utilizing a 3D CAD design tool.

Qualifications We Prefer

Highly detail-oriented with a demonstrated ability to work effectively within cross-functional teams.

Ability to work autonomously, lead engineering teams, with minimal supervision.

Technical Data Package creation using GD&T (Geometric Dimension and Tolerances), change notice processing including communication of required functional and performance requirements.

Experience using CREO CAD design and documentation tools or similar 3D solid modeling software with a configuration and data management environment.

Factory support experience and development of low-rate as well as full-rate production of hardware.

Experience in design, fabrication, or integration of effectors and launchers including harness and interconnects, energetics and propulsion, and electronics packaging.

Working knowledge of industry specifications utilized in creation of technical data packages.

Willingness to travel to suppliers and factories (domestic and international)

Advanced degree in mechanical, aerospace, or manufacturing engineering, or hardware systems design.

What We Offer

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.

Relocation Eligible - relocation assistance is available for this position

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

https://careers.rtx.com/global/en/raytheon-tucson,-az-location

Location Information: This position is onsite at our campus in beautiful Tucson, AZ. Tucson has a friendly, caring, and laid-back atmosphere, combined with the innovation and energy of a metropolitan region, and recognized as one of America’s 10 Best Small Cities. Surrounded by beautiful mountains, colorful Sonoran Desert landscape and majestic saguaro cacti, Tucson is blessed with some of nature’s best work. Tucson is known for its bright blue skies, and with more than 310 sunny days per year, Tucson’s fantastic weather lets residents enjoy the outdoors year-round.

Virtual Fly Over City of Tucson & Community, YouTube Video Links

“Raytheon In Tucson”: https://careers.rtx.com/global/en/raytheon-tucson,-az-location

“Tucson is Awesome”: https://www.youtube.com/watch?v=i65wOwKcNIQ

“Winter in Tucson”: https://www.youtube.com/watch?v=yZdKKkF0QkE

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.

The salary range fo