Principle Mechanical Design Engineer - Assembly Equipment Engineering (Onsite)

Date Posted: 2026-10-06 Country: United States of America Location: US-CT-MIDDLETOWN-220A ~ Aircraft Rd ~ BLDG 220A Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Company Overview

At RTX, the world 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. Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.

What You Will Do

• Produce technically sound computer aided design models and blueprints for equipment used in the assembly, disassembly, and inspection of Pratt & Whitney engine products.
• Adhere to the Assembly Equipment Engineering standards and procedures, following ASME Y14.5 standards for the production of quality blueprints.
• Apply knowledge of engineering mechanics, statics, and strength of materials to perform comprehensive structural analysis of assembly equipment designs.
• Analysis may include both classical methods of hand calculations and/or creation of finite element models (FEM) for detailed finite element analysis (FEA) using Ansys Workbench.
• Collaborate with multidisciplinary teams during product development while effectively prioritizing tasks, meeting deadlines, and ensuring clear communication in a fast-paced environment.
• Mentor junior and new engineers in learning and developing accurate and correct modeling, drafting and analysis methods and techniques.
• Travel is up to 10%.

Qualifications – You Must Have

• Bachelor's degree in Science, Technology, Engineering or Mathematics (STEM)
• 8 years of engineering experience or an Advanced Degree in with 5 years of experience.
• Experience with mechanical design, drafting and engineering review within manufacturing, industrial or assembly equipment environments.
• Experience reviewing designs for manufacturability, tolerance stack-ups, fit/function, and assembly sequencing.
• Experience with CAD modeling and drafting software (NX, SolidWorks, or equivalent).
• Experience with GD&T (Geometric Dimensioning & Tolerancing).
• Experience with a FEA (Finite Element Analysis) software and structural analysis methods.
• U.S. Citizen - The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications – We Prefer

• Experience with Aerospace hardware product definition (blueprints).
• Background in aerospace, medical device, automotive or other high-precision industries.
• Knowledge and experience to evaluate machining feasibility, welding and fastening methods, and material selections (metals, plastics, purchased items, etc.).
• Familiarity with drawing release processes, revision control, and configuration management.
• Experience with NX modeling software or equivalent.
• Experience with ANSYS Workbench or equivalent software.
• Experience with writing engineering reports.
• Experience with Teamcenter.

What We Offer

• Employee Scholar Program
• Development Operations provides services to support future products for global commercial airlines, industrial partners and military customers.
• Services include Assembly, Instrumentation and Test of engines and rigs and the associated facilities, hardware, data systems, software and technology to support this.
• Development Operations delivers our services in a safe, efficient and sustainable environment.
• 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.
• 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.

What Is My Role Type

In addition to transforming the future of flight, we are also transforming how and where we work. We’ve introduced role types to help you understand how you will operate in our blended work environment. This role is: 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. 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. 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 107,500 USD - 204,500 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.

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.