Senior Mechanical Engineers

Prattwhitney; Tucson (AZ); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical Insurance

Dental & Vision benefits

401(k) match

Relocation assistance

Job summary

RTX in Tucson, AZ seeks an experienced Mechanical Engineer to drive hardware design for missile systems. You will lead cross-functional teams in design reviews, perform analyses, and ensure form, fit and function across the lifecycle from concept to manufacturing.

Role requires a STEM degree with 5+ years experience (or an advanced degree with 3+ years), plus strong CAD and documentation skills. Domestic/international collaboration and travel may be involved.

Qualifications

• STEM degree with 5+ years experience or an advanced degree with 3+ years experience.
• Experience creating, reviewing and interpreting technical docs for hardware or tooling products.
• Experience in mechanical design, development, manufacturing or tooling processes.
• Experience creating and updating engineering drawings using a 3D CAD tool.

Responsibilities

• Develop innovative technical solutions across the product lifecycle, incl. proposals, design, manufacturing, testing of missiles and launchers.
• Perform mechanical design analyses to ensure form, fit and function.
• Lead small teams in a fast-paced environment with cross-functional collaboration.
• Support product assembly and integration in domestic and international facilities to assess requirements compliance.
• Mentor engineers and participate in design reviews and trade studies.
• Manage tasks independently on schedule and budget.

Skills

Mechanical design

Technical documentation

Team leadership

3D CAD design

Education

Bachelor's degree in STEM

Advanced degree in related field

Tools

CREO CAD

GD&T

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

Company Overview

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.

Hardware Engineering (HWE) Team

The 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

• 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.
• 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.

Employment Details

• Contract: Permanent
• Hours: Full-time
• Location: Tucson, AZ
• Relocation Eligible – relocation assistance is available for this position
• 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.
• 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.

Role Type Definition

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.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.

Remote: Employees who are working in Remote roles will work primarily offsite (from home). If you live within a reasonable commute of an RTX site with other colleagues you interact with, your manager will discuss whether there is a degree of onsite presence associated with this role. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

Other Enrollment Physical Requirements

Requires advanced knowledge of work area typically obtained through advanced education combined with experience. May have practical knowledge of project management. Practical to substantial knowledge of RTX projects, programs or systems with the ability to make enhancements and leverage in daily work. Typically requires: A University Degree or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years experience Engineering/Other Technical Positions: Typically requires a degree in Science,Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience unless prohibited by local laws/regulations.

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.

Equal‑Opportunity Statement

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.

Privacy Policy

The Privacy Policy and Terms apply. The company is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry‑leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.

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