About the role#
As an Externals Design Engineer Intern, you will support the Mechanical Systems, Externals, and Nacelles organization at Pratt & Whitney. You will work on engine externals such as tubes, brackets, electrical harnesses, and mounting structures. This role involves collaborating with cross-functional teams to integrate these components into gas turbine engines and supporting operational needs, including field investigations and engine assembly.
What you'll do#
- Create and modify externals designs to meet project requirements.
- Support development engine testing, production engine assembly, and build or teardown activities.
- Apply CAD and PDM tools to develop models and drawings.
- Utilize engineering drawings and follow technical instructions to execute design tasks.
- Collaborate with engineering teams to deliver solutions and ensure project success.
- Assist with field investigations to troubleshoot issues and support engine service.
What you'll need#
- Currently pursuing a bachelor’s or advanced degree in Mechanical Engineering, Aerospace Engineering, or a related STEM field.
- Must be actively enrolled through the completion of the internship.
- Minimum 3.0 cumulative GPA.
- Experience with tools such as Excel, PowerPoint, MATLAB, Microsoft Project, or Jira.
- Must be a U.S. Person as defined by federal regulations.
- Preferred: Experience with Siemens NX and Siemens Teamcenter.
- Preferred: Experience reading engineering drawings and modeling mechanical components.
- Preferred: Familiarity with manufacturing methods like tube bending, sheet metal forming, and machining.
Location & details#
- Location: East Hartford, Connecticut.
- Term: Summer 2027.
- Modality: On-site.
- Employment type: Full-time.
- Compensation: This is a paid internship.
About RTX
RTX operates in the aviation and aerospace component manufacturing industry. The organization consists of three primary businesses: Collins Aerospace, Pratt and Whitney, and Raytheon. It produces advanced sensors, aircraft engines, and defense systems for the aerospace and defense sectors. The company is based in Arlington, Virginia and employs over 10,000 people.
How to get in at RTX
Applying early to RTX gives you a distinct advantage because recruiters review applications as they arrive. Intern Insider sends an instant alert the moment a role matching your target is published, so you can submit your materials before the applicant pool grows too large. Being among the first to apply ensures your profile is seen while the team is still actively filling the position. You can also use Intern Insider to identify the specific recruiters behind RTX roles to reach out directly. Connecting with a recruiter to ask about the position or a potential referral often improves your response rate compared to applying into a general queue. This direct approach helps you stand out from the crowd.



