Mechanical Engineer II - Test Equipment - Onsite

Prattwhitney; Tucson (AZ); On-site; USD 69,000 - 131,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life insurance

401(k) match

Paid time off

Holidays

Job summary

RTX is seeking a Mechanical Engineer for its Test Equipment Directorate in Tucson, AZ. You will design and develop mechanical test environments for Raytheon products, focusing on vibration, thermal, hydraulic, RF, and electro‑optical testing for production verification and data analysis.

The position requires a Master’s degree in STEM and experience with CAD tools (Pro/E/CREO), packaging, and analysis. Opportunities include internships, with potential for growth into senior roles, and the role

Qualifications

• Master’s degree in STEM fields or related project work.
• Experience with mechanical/electronic subsystems packaging and material selection.
• Strong background in thermal and structural analysis.

Responsibilities

• Design, develop, document, and maintain mechanical test environment systems.
• Integrate and validate test systems against strict accuracy and reliability requirements.
• Evaluate production installations and propose design improvements to reduce malfunctions.

Skills

Mechanical subsystems

Thermal analysis

Structural analysis

Control systems

Electrical hardware design

Large assemblies

Education

Master’s degree in STEM

Tools

Pro/E/CREO Parametric

Job description

Date Posted: 2026-09-09 Country: United States of America Location: US-AZ-TUCSON-M10 ~ 3360 E Hemisphere Loop ~ BLDG M10 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

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full‑time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. The Test Equipment Directorate is a multi‑discipline organization responsible for developing test solutions for all Raytheon products. We are hands‑on, designing with the latest technology and tools, and integrate state of the art test solutions with the most advanced engineering systems in the world. Test Equipment products are located in engineering labs, in the field, and in production environments utilized for weapon system product verification, qualification, test data analysis, and production test solution development. Test Equipment has job opportunities across all phases of the engineering lifecycle, including demonstrations, early engineering tests, design verification tests, production, and sustainment. Test Equipment is looking for Mechanical Engineers to be responsible for designing, developing, documenting, and maintaining complex test environment systems for all Raytheon products.

What You Will Do

• Research, plan, design and develop mechanical test systems in areas including, but not limited to, vibration, thermal, hydraulic, radio frequency, and electro‑optical for production testing environments
• Integrate and validate test systems against stringent accuracy and reliability requirements
• Evaluate production installations and recommend design modifications to eliminate malfunctions

Qualifications You Must Have:

• Master’s degree in Science, Technology, Engineering, or Mathematics (STEM) Education and/or Experience with project work in one or more of the following:
  • mechanical/electronic sub‑systems packaging
  • material selection
  • thermal analysis
  • structural analysis
  • control systems
  • electrical hardware design
  • large assembly development

Qualifications We Prefer:

• Completion of 1 internship in a related field
• Experience with CAD solid modeling tools and analysis tools with an emphasis on ProE / CREO Parametric
• Experience with creating design drawing packages
• Experience in Model Based Engineering or Model Based 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.

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
• 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.

Privacy Policy and Terms:

RTX 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. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.

Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm 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 for this role is 68,900 USD - 131,100 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.