Sr. Mechanical Engineer ALE

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

Job summary

RTX in Tucson, AZ seeks a Sr. Mechanical Engineer - ALE to lead mechanical sub-system design, development, and production sustainment for defense products.

You will own technical tasks, mentor junior engineers, and coordinate with suppliers and internal teams in a fast-paced environment to deliver robust hardware solutions. Requires a university degree (or advanced degree) with 3–5+ years of relevant experience, strong GD&T, CREO, and Windchill skills, plus the ability to travel for program

Qualifications

• Typically requires a University Degree or equivalent experience and minimum 5 years prior relevant experience, or an Advanced Degree with minimum 3 years experience
• Experience in ANSI/ASME Y14.5 GD&T and tolerance analysis
• Experience in CREO (Pro/E) or similar 3D solid modeling software

Responsibilities

• Technical ownership and execution of tasks as prime technical contact for design, manufacture and production sustainment of mechanical subsystems
• Collaborate with cross-functional teams and suppliers to analyze, model and document design data package (TDP) and requirements
• Mentor junior engineers within the mechanical discipline
• Lead small teams and collaborate across functions such as supply chain, operations, quality, systems, and electrical
• Perform mechanical design, development and documentation of components and sub-assemblies for defense systems
• Collaborate with Raytheon factories and suppliers on product integration and manufacturability improvements
• Perform tolerance analyses to ensure form, fit and function meet design intent
• Apply DFMA/Design for Producibility principles to improve designs
• Support production builds and first article inspections
• Review manufacturing process instructions and support MRB dispositions
• Conduct root cause investigations on hardware issues in production

Skills

GD&T & tolerance analysis

CREO (Pro/E) 3D modeling

Mechanical design

Leadership of small teams

Supplier interaction

Teamwork & independence

Sub-systems packaging/thermal

Interpersonal communication

Windchill PDM

Travel to facilities

Education

University degree or equivalent

Advanced engineering degree

Job description

Date Posted: 2026-08-31

Country: United States of America

Location: US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030

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: Secret - Current

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

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 Hardware Engineering, Air Launched Effectors Department is seeking Mechanical Engineers for our Tucson AZ site supporting full program life cycle, early development, production support, and legacy sustainment activities across the Air Launched Effectors products and subsystems. These products support US Government and international customers.

Mechanical Engineering positions perform in alignment to expectations in the design, development, and production support areas associated with mechanical designs, validation principals, qualification processes, procurement, and production processes across a design life cycle. Development work may include requirements understanding, concept development, DFMAs, PFMAs, margin analysis, technical data package (TDP) development, application of geometric dimensioning and tolerancing principals, engineering test principals, preparation of technical analysis reports, and presenting in design reviews.

What You Will Do

• Technical ownership and execution of tasks, and may be viewed as a prime technical contact in providing solutions to a wide range of complex technical problems related to the design, manufacture, integration, and production sustainment of various mechanical sub-systems both in the engineering lab and the factory floor both at Raytheon Technologies and at suppliers.

• Communicate with cross-disciplined, engineering team members and suppliers to analyze, model, and document the design technical data package (TDP) and its capabilities and compliance with requirements.

• Serves in mentor role to junior engineers, providing technical guidance to others within mechanical discipline.

• Work autonomously with limited supervision, acting as the responsible engineer for major hardware subsystem. This often requires the ability to lead small teams of junior engineers, and collaborate across multiple functions and disciplines, such as supply chain, operations, quality, systems, analysis, and electrical.

• Perform mechanical design, development, and documentation of components, sub-assemblies, and major end items for defense system equipment in accordance with system requirements.

• Collaborate with Raytheon factories and suppliers with new product integration and manufacturing process improvements.

• Perform and review tolerance analyses to ensure form, fit, and function are as intended by design for the use-application.

• Improve new and existing designs using Design for Manufacture and Assembly (DFMA) and Design for Producibility principles.

• Apply knowledge and experience in technical problem solving and hardware development in a fast paced, team environment.

• Support production of various mechanical sub-systems at internal factories and suppliers.

• Support first hardware builds and first article inspections.

• Review manufacturing process instructions and support material review board dispositions.

• Perform root cause investigations on hardware of production related issues.

The Sr. Mechanical Engineer - ALE job is in Tucson, AZ and the position is onsite

Qualifications You Must Have

• 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

• Experience in ANSI/ASME Y14.5 GD&T and tolerance analysis.

• Experience in CREO (Pro/E) or similar 3D solid modeling software.

Qualifications We Prefer

• Five years of work experience in mechanical design and design documentation.

• Mechanical aptitude to provide solutions to a variety of technical problems of moderate scope and complexity.

• Advanced degree in an Engineering discipline

• Leadership experience with small teams (4-6 people)

• Supplier interaction and supplier management experience

• Ability to work in teams or independently, flexible, demonstrates initiative

• Experience in mechanical sub-systems packaging, materials, thermal, structural analysis, energetics principals, control systems, interconnect, airframe, or large assembly development

• Strong interpersonal and communication skills; both verbal and written

• Experience with PTC Windchill Product Data Management or equivalent configuration/data management software

• Ability to travel to government and supplier facilities in support of program activities

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.

#LI-AP2

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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