TMS/lube systems Intern (Summer 2027) - Onsite

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

Benefits offered by this job

Medical insurance

Dental insurance

401(k) match

Paid time off

Job summary

RTX is seeking a student or early career professional to join our lubrication and thermal management systems team. You will analyze oil system characteristics, perform 1D flow modeling, conduct component testing, and analyze full-scale engine test data to optimize oil flow and cooling of mechanical components.

Ideal candidates are pursuing a STEM degree with a 3.0+ GPA and have exposure to aero-thermal fluids coursework or labs.

Qualifications

• Must be pursuing a Bachelor’s or Advanced STEM degree and enrolled through internship/co-op.
• GPA of 3.0 or higher expected for eligibility.
• Preferred exposure to aero-thermal fluids coursework or labs and at least 60 credit hours by start date.

Responsibilities

• Analyze oil systems and perform design, execution, and analysis of engine tests.
• Use field data to monitor fleet health and support customers.
• Develop and validate engine validation test plans against analytical models.

Skills

Systems analysis

Oil system design

Engine testing

1D flow modeling

Education

Bachelor’s or Advanced STEM degree

Tools

1D flow modeling tools

Job description

Date Posted: 2026-10-26 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: Must be authorized to work in the U.S. without the company’s immigration sponsorship now or in the future. The company will not offer immigration sponsorship for this position. The company will not seek an export authorization for this role. 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 Commercial lubrication and thermal management systems team analyzes and develops the functional characteristics of the oil system in a highly complex environment. Truly a systems role with deep technical skills deploying cutting edge systems analysis tools, component testing in rigs, and design, execution, and analysis of full-scale engine testing. Using 1D flow modeling to analyze and design gas turbine lubrication and thermal managment systems Use field data to monitor fleet health and support customers Specifying engine validation test plans, reviewing engine and test rig data, and matching analytical models to engine data Optimizing oil system architecture to ensure:safety of flight, provide adequate cooling and lubrication oil flow and pressure to mechanical components, Oil conditioning – includes storage, deaeration/deoiling, filtration and filter life, minimization of oil degradation, and cooling, and contain oil within system boundaries Operating independently to develop system level solutions

What You Will Learn

As a lubrication and thermal management system discipline member you are a part of an integrated product team at the module level, as well as key contributions to the systems integrated product team for the engine chaired by the chief engineer. The lubrication and thermal management systems role also has a unique interface with the engine mechanical systems, air systems, and performance group so that you can truly experience the entire engine while still making deep technical contributions with cutting edge systems design and analysis methods.

Qualifications You Must Have

Must be pursuing Bachelor’s or Advanced degree in STEM degree program and actively enrolled through the completion of the internship/co‑op session. Maintain a cumulative GPA of 3.0 or higher.

Qualifications We Prefer

Exposure to aero‑thermal fluids course work and/or lab experience in fluid mechanics and heat transfer. Have a minimum of 60 hours of credit by the start of the internship / co‑op session.

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. 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.

Relocation Eligibility

Please consider the following role type definition as you apply for this role. 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.

• 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

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: 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.