Aero Propulsion Systems Intern (Summer 2027)(Onsite)

Prattwhitney; East Hartford (CT); On-site; USD 37,000 - 82,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k) match

Flexible schedules

Paid time off

Holidays

Scholar program

Parental leave

Job summary

RTX's Aero Propulsion Systems internship in East Hartford, CT offers hands-on experience in aerodynamic and thermal analysis for military and commercial engines. You will work with industry-leading teams to inform design decisions, process test data, and contribute to cross-disciplinary analyses.

The program emphasizes learning, collaboration, and exposure to advanced CFD tools, with a focus on developing practical skills for aerospace propulsion systems.

Qualifications

• Pursuing a Bachelor’s or Advanced degree in Mechanical or Aerospace Engineering or related STEM field.
• Experience with CFD tools such as Fluent, Star-CCM+, or CharLES.
• Minimum GPA of 3.0 and likely enrolled through the internship session.

Responsibilities

• Perform aerodynamic and thermal analyses to support engine development.
• Process test data and inform design decisions and root-cause analyses.
• Coordinate analyses and communicate results within cross-disciplinary teams (aero, design, structures).

Skills

CFD tools

GPA 3.0

CAD experience

Modeling experience

Education

Bachelor’s or Advanced degree in Mechanical/Aerospace Engineering

Tools

Fluent

Star-CCM+

CharLES

Job description

Date Posted: 2026-10-13 Country: United States of America Location: US-CT-EAST HARTFORD-G ~ 400 Main St ~ BLDG G Position Role Type: Onsite 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

The Aero Thermal Fluids (ATF) organization is responsible for the functional aerodynamic design, analysis and performance of components and modules throughout Pratt & Whitney commercial and military engine product lines. The Aero Propulsion Systems teams are part of the ATF organization focused on the aerodynamic design and analysis of high-performance military exhaust systems, including bypass duct and nozzle aerodynamics, augmentor combustion, and exhaust system cooling design, as well as propulsion system acoustics and aeromechanics, and commercial engine inlet / nacelle aerodynamics. We are seeking motivated college interns with strong technical, problem solving, and communication skills to join our team and be part of continuing Pratt & Whitney's industry leadership in current and next generation military propulsion systems.

As an Aero Propulsion Systems Intern at Pratt & Whitney, you will…

• Perform aerodynamic and thermal analyses in support of aircraft engine and technology development
• Process analytical and rig / engine test data to inform design decisions and root cause analyses
• Coordinate analyses, review with subject matter experts, and communicate results as part of a cross-discipline team (aero, design, structures)

What You Will Learn

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 Bachelor’s or Advanced degree Mechanical Engineering, Aerospace Engineering, or related Science, Technology, Engineering or Mathematics (STEM) field and actively enrolled through the completion of the intern session.
• Experience with modeling and/or Computational Fluid Dynamics (CFD), including tools such as Fluent, Star-CCM+, CharLES, or similar
• Minimum Cumulative GPA of 3.0
• Experience may be obtained through on-the-job experience, research, coursework, or projects

We Prefer

• DoD Security Clearance
• Experience with Meshing
• Experience with Lofting and CAD
• Experience with ANSYS / FEA

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.

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.

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

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.

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.

Privacy Policy and Terms: Click on this link to read the Policy and Terms 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.