Senior Mechanical Engineers

Raytheon; Tucson (AZ); On-site; USD 110,000 - 150,000; Full time

Job summary

Raytheon Technologies in Tucson, AZ, onsite with the Hardware Engineering (HWE) team, seeks a Mechanical Engineer to design and develop hardware for missiles and launchers. You will lead small teams and work with cross‑functional partners across the product lifecycle, from proposal to testing.

Qualified candidates hold a STEM degree with 5+ years of experience or an advanced degree with at least 3 years, and must be eligible for a DoD Secret clearance.

Qualifications

• 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.

Responsibilities

• 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.
• Team/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.

Skills

Mechanical design

Team leadership

Cross-functional collab

Engineering fundamentals

Education

STEM degree

Advanced degree

Job description

Date Posted: 2026-08-19

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

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.

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.

At RTX, the world 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.

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.

Team/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