Control Systems Software Certification Engineer (DO-178C)

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 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.

Role 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-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.

Key Responsibilities:

• Software Development & Maintenance

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

• Certification & Compliance

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

• Verification & Validation

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

• Configuration Management

Support baselining, release documentation, and discrepancy tracking

Participate in configuration control and change management processes

• Testing & Integration

Support testing activities across simulation, engine test benches, and flight testing

Collaborate with internal teams and suppliers to ensure smooth execution of verification campaigns

• Collaboration & Continuous Improvement

Work closely with cross-functional teams, including controls, systems, and suppliers

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-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

Professional Skills

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

Assets

The following are considered beneficial:

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

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.