Aero Thermal Fluid Intern (Summer 2027)

Date Posted: 2026-09-14

 Country: United States of America

 Location: US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110

 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: None/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. At RTX, the world's 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. Immerse yourself in a Monday-Friday Summer Intern session, that will run from June to August (it is expected students will take this time off from coursework to fully engage with this working mentorship opportunity).

This position will sit at our Aguadilla, PR location. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.

Key Responsibilities: As an intern in ATF, you’ll have the opportunity to support flow path and airfoil design to support cycle requirements. Opportunities exist to work on a wide range of products and technical initiatives, including Computation Fluids Dynamic (CFD) analysis and analysis of engine test data.

What you will do: • Provide aerodynamic support ensuring on-time delivery and technical quality required of work performed. • Perform low to medium complexity steady state Computation Fluids Dynamic (CFD) analysis to evaluate modeled hardware and compare to design requirements.

• Review and analysis of engine test data. • Supporting closure of key technical issues. • Working in teams with other engineers to improve technical capability • Keep track of tasks assigned and be able to provide status.

• Attend and have participation in group meetings, teleconferences and/or trainings required. • English (read, write, speak) is required when communicating with customers, co-workers, or supervisors who only speak English Qualifications You Must Have: • Enrolled in a degree program in Mechanical or Aerospace Engineering • Minimum Cumulative GPA of 3.

0 • Must be a U.S. Citizen. This position may require access to systems/tools that are restricted to individuals who possess US citizenship. Learn More & Apply Now ATF is responsible for the aerodynamic and thermal design, analysis and performance evaluation of all engine modules and systems, including fans, compressors, combustors, turbines, augmentors, inlets and nozzles.

ATF is focused on aerodynamic analysis, turbomachinery performance, combustion modeling, secondary flow and heat transfer, performance integration, acoustics, and aeromechanics.

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 position is classified: Hybrid. Employees who are working in Hybrid roles will work regularly both onsite and offsite. This means that responsibilities of the job need to be performed onsite in Aguadilla, Puerto Rico on a regular basis with 3 days onsite and 2 days remote following the schedule assigned by the Manager.

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.