Mechanical Test Engineer II

Prattwhitney; Tewksbury (MA); On-site; USD 69,000 - 131,000; Full time

Benefits offered by this job

Medical/Dental/Vision

Life Insurance

Short/Long-term Disability

401(k) Match

Paid Time Off

Holidays

Job summary

RTX is looking for a Mechanical Test Solutions Engineer to design, analyze, prototype, and implement advanced fixtures and environmental test stations for aerospace and defense applications. You will work across the lifecycle from development to production to field sustainment, applying CAD tools and rigorous drawing standards to create robust test systems.

Ideal candidates have an advanced STEM degree and hands‑on experience with major CAD packages, plus a track record of collaboration in

Qualifications

• Advanced STEM degree required.
• Degree must be completed by start date.
• Field: science, technology, engineering, or mathematics.

Responsibilities

• Research, plan, and design custom mechanical test solutions for vibration, thermal, hydraulic, RF, and EO environments.
• Conceptualize and implement mechanical systems integrated with state‑of‑the‑art test technologies.
• Create 3D models and 2D drawings using CAD; deliver comprehensive assemblies.
• Ensure data packages meet ASME Y14 or ISO GD&T standards.
• Integrate and validate test systems meeting accuracy, repeatability, and reliability specs.
• Collaborate with cross‑functional teams to diagnose malfunctions and implement design improvements.

Education

Advanced STEM degree

Tools

SolidWorks

PTC Creo

Autodesk Inventor

CATIA

Siemens NX

Job description

Date Posted: 2026-10-06 Country: United States of America Location: US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG 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.

What You Will Do Join Raytheon's dynamic Test Solutions Engineering team, part of the Hardware Discipline Center, where we architect and deliver high-reliability test equipment vital to national defense. In this role, you will design, analyze, prototype, and implement advanced mechanical test fixtures and environmental test stations supporting complex weapon systems across their entire lifecycle—from early engineering development and high-rate factory production to field operations and long-term sustainment.

Key Responsibilities:

• Research, plan, and design custom mechanical test solutions for vibration, thermal, hydraulic, radio frequency (RF), and electro-optical operational environments.
• Conceptualize and implement mechanical systems that integrate seamlessly with state-of-the-art test technologies.
• Utilize parametric CAD solid modeling tools to create comprehensive 3D assemblies and detailed 2D engineering drawing packages.
• Ensure all technical data packages adhere strictly to industry drafting standards, including ASME Y14 series or ISO geometric dimensioning and tolerancing.
• Integrate and validate test systems against stringent accuracy, repeatability, and reliability requirements.
• Evaluate production installations and collaborate with cross-functional engineering and manufacturing teams to diagnose malfunctions and implement design enhancements.

Qualifications: You Must Have

• Advanced degree in Science, Technology, Engineering, or Mathematics (STEM) discipline. Degree must be obtained by start date.
• Experience using Computer Aided Design (CAD) software (such as SolidWorks, PTC Creo, Autodesk Inventor, CATIA, Siemens NX, or equivalent) to generate 3D models and mechanical assemblies.
• Experience creating or maintaining mechanical hardware documentation and engineering drawings adhering to industry drafting standards (such as ASME Y14 series or ISO).
• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications: We Prefer

• Advanced degree in Mechanical Engineering, Aerospace Engineering, or Mechatronics.
• Cumulative GPA of 3.0 or higher from an ABET-accredited institution.
• Experience with Model Based Engineering (MBE) or Model Based Definition (MBD).
• Previous hands‑on testing, prototyping, or production support experience in an aerospace, defense, or high-reliability manufacturing environment.
• Strong analytical, diagnostic, and root‑cause problem‑solving skills applied to mechanical fixtures or test equipment.
• Demonstrated ability to collaborate effectively in a multi‑disciplinary, fast‑paced team setting.

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world.

• Safety
• Trust
• Respect
• Accountability
• Collaboration
• Innovation

Relocation Eligibility

Please consider the following role type definition. Onsite: Employees who are working in Onsite roles will work 100% onsite. This includes all production and maintenance employees, as they are essential to the development of our products. 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.

Salary

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.

Benefits

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.

Location

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.

Application Window

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.

Equal Opportunity

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.

Company Overview

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.