Internship-Summer- Combustion Aero/Thermal Analyst

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About Pratt & Whitney Canada

Pratt & Whitney Canada (P&WC) is a global leader in the aerospace industry, headquartered in Longueuil, Quebec. We manufacture next-generation engines that power the world's largest fleet of business, general aviation, and regional aircraft and helicopters.

For nearly 100 years, we have pioneered advancements in engine development, supporting cargo and equipment, transportation, wildfire suppression, and passenger travel.

An Employer of Choice

Pratt & Whitney Canada was recognized as one of Canada's Top 10 Employers in 2025 by Forbes and ranked #1 in the aerospace and defense industry in the country. Our headquarters are also listed among the top employers in the Montreal region. These accolades reinforce our reputation as an employer of choice in Montreal, Canada, and worldwide.

Internship dates: May 4th to August 21st, 2026

Location:  The position is based at our Mississauga location; the internship is from Monday to Friday, with flexible hours and exclusively on-site.

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Why join our team?

Combustion Aerothermal Systems is one of the Combustion module departments within the Turbomachinery organization. The department is responsible for design and validation of the combustion section of turbofan, turboprop, and turboshaft engines. The aerothermal design process uses various numerical tools, including CFD simulations, with validation testing in rigs and engines. This internship will focus on combustor pressure drop survey to support on-going experimental investigations to calibrate the engine performance model.

What will your day-to-day look like?

The Combustion Aero/Thermal Analyst intern will have the following key responsibilities:

• Prepare combustion chamber geometry using ANSYS CAD tools
• Mesh geometry using ANSYS meshing tools
• Perform combustion CFD simulations in ANSYS Fluent with primary focus on the combustor aerodynamics
• Review combustor pressure drop measurement data to understand measured variables and measurement locations
• Calibrate CFD model with test data and use the calibrated CFD model to perform a pressure drop survey
• Summarize and present findings
• Document the findings in a report

What do you need to be successful?

• Be eligible to work in Canada
• Be enrolled in a Canadian university throughout your internship
• Be able to work on-site in the province where you are hired
• Pursuing a Master or PhD degree in Mechanical, Aerospace, Chemical or Physics Engineering
• Good oral and written communication skills in English (spoken/written). French is an asset.
• Ability to work independently as well as in a team.
• Solid understanding of Fluid mechanics and multiphase flows
• Exposure to fuel atomization and combustion modelling (considered an asset)
• Proficiency in ANSYS CAD tools (SpaceClaim , Design Modeller and Discovery)
• Proficiency in ANSYS mesh generators (Fluent mesher and/or ANSYS Workbench mesher)
• Basic understanding of programming language (C/C++, Python, MATLAB)

Assets:

• Organizational skills and ability to work under pressure with competing and varying priorities
• Project management skills

Working at Pratt & Whitney Canada

The masculine pronoun is used without discrimination and solely for the purpose of making the text easier to read. We will consider applications from all qualified candidates.

At Pratt & Whitney Canada, we combine passion, boldness, and precision to design, manufacture, and maintain the most advanced and reliable aircraft engines in the world. Our work and the quality of our products contribute to the success of our customers, who in turn save lives, support commerce, connect communities, and protect freedoms.

At Pratt & Whitney Canada, you have the opportunity to make a difference every day—just look up. Are you ready to go beyond?

The selected candidate will be required to complete a criminal background check and any applicable clearances with respect to the handling and transfer of controlled goods. Employment is conditional upon the successful completion of these checks and obtaining the required clearances. Failure to do so will result in the withdrawal of the employment offer.

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.  

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