Senior Mechanical Engineer

RTX; San Diego (CA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Relocation assistance

Comprehensive benefits

Job summary

RTX is seeking a Senior Mechanical Engineer for our Tucson, AZ campus to design and deliver mechanical hardware for defense systems. You will lead cross-functional teams, perform rigorous design analyses, and drive hardware integration across domestic and international sites.

The role requires a STEM degree with 5+ years of relevant experience or an advanced degree with 3+ years, and the ability to travel to suppliers and factories. Clearance eligibility is required.

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.
• 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.

Responsibilities

• Design and develop mechanical hardware for missiles and launchers across the product lifecycle, including proposal, development, design, manufacturing, integration and testing.
• Perform mechanical design analyses to ensure form, fit and function.
• Lead small teams with structures, thermal, harness and interconnects, electronics packaging, tooling and integration.
• Provide support for product assembly and integration in factories and suppliers (domestic and international).
• Lead a mechanical engineering team and collaborate with cross-functional teams to resolve technical challenges.
• Independently manage tasks to meet schedule, budget and technical goals.
• Participate in design reviews and conduct trade studies to support informed engineering decisions.
• Mentor and guide junior engineers to support technical growth.

Skills

Mechanical design

Team leadership

Cross-functional collaboration

Technical documentation

GD&T

Education

STEM degree

Advanced degree in related field

Tools

CREO CAD

Job description

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

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 forSenior Mechanical Engineerwill 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

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 attendselect 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 for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.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.

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.

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