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RTX

Externals Design Engineer Intern (Summer 2027) (Onsite)

United States

The salary range for this role is 37,000 USD - 82,000 USD.

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Job details

Pay: The salary range for this role is 37,000 USD - 82,000 USD.
Apply by: Nov 6, 2026
Posting language: English
Posted: Nov 2, 2026

Original job description

Date Posted:

2026-11-02

Country:

United States of America

Location:

US-CT-EAST HARTFORD-ETC ~ 400 Main St ~ BLDG ETC

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here. https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62

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

Pratt & Whitney is seeking an Intern - Externals Design to support our Mechanical Systems, Externals, & Nacelles (MSEN) Engineering organization through execution of design tasks, field investigations, development engine test support and production engine assembly support.

Mechanical Systems, Externals, & Nacelles (MSEN): The MSEN Engineering organization is responsible for the design, development, and in-service support of power transmission systems; bearing compartments and rotor support design and analysis; oil and thermal management systems; engine externals packaging and architecture; and nacelles for both commercial and military engine models. Key technical disciplines include Project Engineering, Mechanical Design, Structural Analysis, Product Definition, and System Modeling.

External hardware encompasses a wide range of components such as tubes, brackets, electrical harnesses, and mounting structures strategically packaged on the outside of the engine. Externals Designers routinely interface with every module of a Pratt & Whitney gas turbine engine and integrate multiple systems, including lubrication, electrical, fuel, and air systems. They also support operational engines by working with customer support teams to troubleshoot issues and return engines to service. During engine overhauls, Externals Design collaborates with overhaul shops to investigate findings and establish part limits for continued service.

As an Externals Design Engineer Intern at Pratt & Whitney, you will……

Execute design tasks, support field investigations, support development engine testing and support production engine assembly.
Create and modify externals designs to meet project requirements.
Collaborate with cross-functional teams to deliver engineering solutions.
Support build and teardown activities, ensuring designs are implemented correctly.
Utilize engineering drawings and follow written and verbal instructions.
Apply knowledge of CAD and PDM tools, such as Siemens NX and Teamcenter, to develop models and drawings.
Work closely with engineering teams to ensure project success

What You Will Learn

Develop technical knowledge in key design discipline areas, including blueprint interpretation, GD&T, externals component design, solid modeling, tolerance stack analysis, root cause assessments
How to engage cross‑disciplinary teams to perform design tasks.
How externals are designed and how their functions play a crucial role in engine operation
How to communicate complex technical topics effectively to design and Integrated Product Team (IPT) members
How to independently plan and execute the technical path for small design tasks
Engineering Interns at Pratt & Whitney work on challenging, meaningful, and impactful projects across our business.
Our intern program seeks to help you develop an understanding of the aerospace industry and learn about our company and its operations.

Qualifications You Must Have

Must be pursuing a bachelor’s or advanced degree in Mechanical Engineering, Aerospace Engineering or related field (Science, Technology, Engineering or Mathematics (STEM) field and actively enrolled through the completion of the internship session.
Experience with one or more tools such as Excel, PowerPoint, MATLAB, Microsoft Project, Jira, or similar.
Minimum 3.0 Cumulative GPA

Experience may be obtained through on-the-job experience, research, coursework, or projects

Qualifications We Prefer

Experience with Siemens NX, Siemens Teamcenter
Experience reading engineering drawings.
Experience with design or modeling of mechanical components.
Experience with manufacturing methods such as tube bending, sheet metal forming and machining

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

Learn More & Apply Now!

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

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.

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 37,000 USD - 82,000 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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More about this job

Skills

ETC
Mechanical systems
Assembly
Packaging
Customer service
Troubleshoot
Siemens NX
Siemens Teamcenter
Develop models
Mechanical engineering
Aerospace engineering
Microsoft Excel
Microsoft PowerPoint
The MathWorks MATLAB
Microsoft Project
Jira
Research
Read engineering drawings
Shape sheet metal objects
Machining

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