Control Systems Software Design and Certification Engineer (DO-178C) – Gas Turbine Engines

RTX•Mississauga, ON

11d•CA$78,000 - CA$122,850•Onsite

About The Position

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 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. An Employer of Choice Pratt & Whitney Canada was named one of Canada’s 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 country. In 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. Please note this role can be based either in Longueuil, Quebec, or in Mississauga, Ontario. The policy is 5 days a week on site. Why Join The Team? We are seeking a Control Systems Software Certification Engineer to support certification of safety-critical control system software for gas turbine engines, including both in-service and legacy-certified systems. This role offers end-to-end exposure across the DO-178C lifecycle, including requirements, design, development, verification, and certification. You will collaborate with internal teams, suppliers, and test organizations, with opportunities to grow into technical leadership roles across engine programs.

Requirements

Bachelor’s degree in Mechanical, Electrical, Computer, Software, or Aerospace Engineering
5+ years of experience in controls, embedded systems, avionics, or gas turbine environments
Strong experience working in complex control systems or safety-critical software environments
Experience with RTCA DO-178C (or similar standards such as ISO 26262), including: Certification planning and documentation, Software development and verification in a compliant environment
Experience with embedded software development, ideally including low-level programming (e.g., assembly)
Familiarity with configuration management and defect tracking processes
Strong communication and collaboration skills, with the ability to work effectively in cross-functional teams
Demonstrated leadership potential and ownership mindset
Strong analytical and problem-solving skills, with a systems-level perspective
Proven ability to produce clear, structured technical documentation
Results-driven, with the ability to prioritize and execute in complex environments

Nice To Haves

Experience with engine control systems (FADEC or single channel)
Knowledge of powerplant systems, sensors, actuators, and aircraft interfaces
Experience working with legacy systems and long-life certified products

Responsibilities

Develop and review software requirements, design, and code
Work within both web-based requirement management tools and legacy environments (e.g., VAX-based systems, GPU)
Contribute to code development in Assembly, Ada, C/C++, and other relevant languages
Develop and review certification artifacts (plans, standards, procedures, compliance documents)
Support certification activities including SOI audits and resolution of findings
Ensure software activities comply with DO-178C guidelines
Perform developer-level verification activities (reviews, analysis, testing)
Support or collaborate on formal verification activities with internal teams and external partners
Analyze and interpret test results to ensure compliance and performance
Support baselining, release documentation, and discrepancy tracking
Participate in configuration control and change management processes
Support testing activities across simulation, engine test benches, and flight testing
Collaborate with internal teams and suppliers to ensure smooth execution of verification campaigns
Work closely with cross-functional teams, including controls, systems, and suppliers
Drive process improvements based on lessons learned and program experience