Overview 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‑178 C lifecycle, including requirements, design, development, verification, and certification.
Responsibilities Develop and review software requirements, design, and code, working within both web‑based requirement management tools and legacy environments.
Contribute to code development in Assembly, Ada, C/C++, and other relevant languages.
Develop and review certification artifacts (plans, standards, procedures, compliance documents) and support certification activities including SOI audits.
Ensure software activities comply with DO‑178 C guidelines.
Perform developer‑level verification activities (reviews, analysis, testing) and support formal verification activities.
Analyze and interpret test results to ensure compliance and performance.
Support baselining, release documentation, and discrepancy tracking, and 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, and drive process improvements based on lessons learned and program experience.
Required Qualifications 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.




Technical Expertise Experience with RTCA DO‑178 C (or similar standards such as ISO 26262), including certification planning and documentation.
Experience with embedded software development, ideally including low‑level programming.
Familiarity with configuration management and defect tracking processes.
Skilled Skills Strong communication and collaboration skills.
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 ability to prioritize and execute in complex environments.
Assets 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.
Why Join Work on highly reliable, safety‑critical systems with real‑world impact.
Gain exposure across the full certification lifecycle, from development to certification.
Collaborate with experienced teams in a technically rich environment.
Opportunities to grow into technical leadership or program roles.
What 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.
Other Information This role can be based in Longueuil, Quebec, or in Mississauga, Ontario. The policy is five days a week on site.
Selected candidates will be required to complete a criminal background check and any applicable clearances with respect to the handling and

📌 Control Systems Software Certification Engineer (Longueuil)
🏢 Pratt & Whitney
📍 Longueuil