Software Designer

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Job Title: Software Designer

About Pratt & Whitney Canada

Pratt & Whitney Canada (P&WC) 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 worlds 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.

An Employer of Choice

Pratt & Whitney Canada was named one of Canadas Best Employers for 2026 by Forbes marking the 11th consecutive year the company has earned this recognition. Pratt & Whitney Canada also ranked #1 employer in the aerospace and defense industry in the addition our headquarters continues to be recognized among the top employers in the Montreal region. Together these distinctions reinforce our reputation as an employer of choice in Montreal across Canada and around the world.

Why Join The Team
The Controls Software Designer will be responsible for developing control system software for gas turbine engines. As a Controls Software Designer the successful candidate will develop the software requirements and the corresponding design (using SCADE tool) or code. The successful candidate should understand the power plant operation power plant sensors and actuators and power plant interacting aircraft systems (Thrust Reversers Cockpit Controls and Engine Indications Bleed systems etc.). Software development will be performed following RTCA DO-178C guidelines to support the engine type certification. He/she may also work closely with suppliers to verify the software and support control system tests performed on simulators engines and aircrafts.

This is a full-time position from Monday to Friday with flexible hours based in Mississauga and performed exclusively on-site.

What will your day-to-day look like

• Create software requirements and develop the engine controls embedded software design by working closely with internal and external customers.
• Perform peer reviews of requirements design and code.
• Perform and support formal and informal software verification as tester or reviewer.
• Work closely with PWC control system department and other software suppliers for proper software implementation.
• Support engine tests department and suppliers closed-loop bench test facilities to ensure smooth execution of system tests and software verification activities.
• Support customer flight test activity.
• Review and interpret test data produced during validation testing.
• Provide continuous improvement to organizational processes based on lessons learned through implementation.
• Contribute to certification activities and document preparation.

What do you need to be successful

• The ideal candidates must have a degree in engineering (Mechanical Electrical Computer Science or Aerospace); combined with 3 to 15 years of experience in controls avionics or working with gas turbine engines. Relevant experience in gas turbine aircraft or automotive control systems as well as knowledge of dual channel FADEC would be considered an asset. An understanding of aerospace software DO-178C is required and knowledge of DO-254 firmware is considered desirable.
• Expertise: Simulation and modeling (MATLAB or SCADE) Controls Theory dynamic system analytical capabilities (time and frequency domain) gas turbine controls leadership. DO-178C software verification experience.
• Writing Skills: Strong proficiency in technical and requirements writing with the ability to communicate complex information clearly and effectively.
• Leadership: Demonstrated ability to lead initiatives independently or collaboratively taking full ownership of assigned tasks and driving them to completion.
• Desirable Qualities: good communication and teamwork skills focus on results strong analytical thinking skills systems thinking.
• Commitment to Continuous Improvement: Proactively identifies opportunities to enhance processes effectively communicates recommendations to peers and leadership and supports proposals with clear standards-compliant rationale aligned with best practices and regulatory requirements. Background in multiple engineering disciplines (Control systems Operability Performance Software engineering Test engineering Software Verification)

What do we offer

• Pension and savings plan with employer contributions
• Group insurance program
• Opportunities for advancement (career progression)
• Merit or recognition program
• Health and wellness program including virtual health care
• Recreational and sports club
• Nearby daycares
• Transportation accessibility or public transit program and free parking

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 dayjust look up. Are you ready to go beyond

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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