Date Posted: 2026-09-11 Country: Pratt & Whitney Canada (P&W;) is a global leader in aerospace innovation, proudly headquartered in Longueuil, Quebec, since 1928. We design and manufacture next-generation aircraft engines that power the world’s largest fleet of business, general aviation, and regional aircraft and helicopters. For nearly 100 years, our teams have been at the forefront of propulsion technology, pushing boundaries to make flight more efficient and reliable.

Our engines support missions that truly matter, from transporting people and essential goods, to enabling emergency medical services, humanitarian operations, and wildfire suppression around the world. Pratt & Whitney Canada also ranked #1 employer in the aerospace and defense industry in the country. In addition, our headquarters continue to be recognized among the top employers in the Montreal region.

Internship Dates and Location Internship dates: January 5th to April 23rd, 2027. internship from Monday to Friday, with flexible hours and exclusively in office.

Check out our YouTube channel: Our website: Build and enhance our software build management and requirements management web application for aircraft engine control systems. Optimize the performance of existing tools and create intuitive, user-friendly graphical interfaces. Document detailed help files and user guides for all new and updated tools.

Analyze tool performance and identify opportunities for continuous improvement. Gain hands-on exposure to the DO-178C software development process. Be enrolled in a Canadian university throughout your internship.

Be able to work on-site in the province where you are hired if applicable. Pursuing a bachelor's or master's degree in Computer Science, Software Engineering, or Computer Engineering.

Experience with SQL, PHP, HTML, CSS, Bootstrap, D3/JQuery, JavaScript, Git, XML, JSON, and APIs. Solid understanding of relational databases and web page design.



Excellent communication skills in English (written and spoken).

Preferred Qualifications (Assets) Experience with LaTeX, Python, Visual Basic, or C++. Familiarity with the Symfony PHP framework. 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 freedom. 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.

The salary range for this role is 23.70 to 34.50 CAD. 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. 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.

Privacy

Policy and Term 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. #

📌 Internship - Winter 2027 - Software Developer Aerospace Control Systems & Web Applications (Mississauga)
🏢 Prattwhitney
📍 Mississauga