Mechanical Design Engineering Intern (Summer 2027)

Prattwhitney; Windsor Locks (CT); Hybrid; USD 37,000 - 82,000; Full time

Job summary

RTX, a leading aerospace and defense company, invites applications for a Mechanical Design Engineering Intern within Collins Aerospace's Mechanical Controls product line in Windsor Locks, CT. You will join a team to evaluate customer and subsystem hydraulic and pneumatic component requirements to produce compliant hardware designs for airframe and engine systems.

Designs are developed using physics-based performance models and verified with CFD and structural FEA.

Qualifications

• Pursuing a Bachelor's or Advanced degree in Mechanical Engineering, Aerospace Engineering, or related STEM and enrolled through the internship/co-op session.
• Must have at least 45 credit hours by the start of the internship/co-op session.
• Experience through coursework, research, or projects is acceptable.

Responsibilities

• Evaluate customer and subsystem hydraulic/pneumatic requirements to generate compliant hardware designs for airframe and engine systems.
• Parts operate in fluid environments (fuel, oil, air) and under demanding conditions.
• Generate physics-based performance models (1D) and verify with CFD.
• Perform structural analysis (FEA) on designs.
• Collaborate with Project Engineering, Dynamic Engineering, Systems Engineering, Drafting, and Structures.

Skills

CAD proficiency

CFD tools

FEA tools

Microsoft Office

Internship experience

Education

Bachelor’s/Advanced degree in Mechanical or Aerospace Engineering (STEM)

Tools

UG NX

Catia

SolidWorks

AutoCAD

Autodesk

Job description

Date Posted: 2026-09-14 Country: United States of America Location: US-CT-WINDSOR LOCKS-B1 ~ 1 Hamilton Rd ~ BLDG 1 Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Security Clearance Type: None/Not Required Security Clearance Status: Not Required

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

• As a Mechanical Design Engineering Intern in the Mechanical Controls product line at Collins Aerospace, you will participate on a team to evaluate customer and subsystem hydraulic and/or pneumatic component requirements to generate compliant hardware designs for airframe and engine systems.
• Parts are designed to operate in fluid environments (fuel, oil, air), and function under challenging operating conditions.
• Designs are done by generating physics-based performance models (1D) and verified using CFD.
• Designs are also analyzed structurally using FEA.
• Candidate will work within an integrated team that includes Project Engineering, Dynamic Engineering, Systems Engineering, Drafting, and Structures.

Qualifications: You Must Have

• Must be pursuing a Bachelor’s or Advanced degree in Mechanical Engineering, Aerospace Engineering, or related Science, Technology, Engineering or Mathematics (STEM) major and actively enrolled through the completion of the internship/co-op session.
• Must have a minimum of 45 hours of credit by the start of the internship / co-op session.
• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications: We Prefer

• Experience with 2D and 3D Computer Aided Design (CAD) software such as UG NX, Catia, SolidWorks, AutoCAD, Autodesk or equivalent.
• Experience in CFD tools such as StarCCM+ and/or in FEA tools such as ANSYS, ABAQUS, or equivalent.
• Experience with additive manufacturing.
• Experience with Microsoft Office Suite (Excel, Word, PowerPoint, and/or Outlook).
• Prior RTX internship, co-op, or work experience.

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.

Relocation Eligibility

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. 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.

Salary

The salary range for this role is 37,000 USD - 82,000 USD. The salary range provided is a good faith estimate representative of all experience levels.

Benefits

• 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.
• annual short-term and/or long-term incentive compensation programs

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 U.S.-based

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.

Equal Opportunity Employer

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.