**Date Posted:** 2025-07-14 **Country:** Canada **Location:** LOC13055 1801Courtney Park Drive,Mississauga,Ontario,L5T 1J3,Canada **Position Role Type:** Unspecified **Job Title:** **Software Engineer, Numerical Methods** **About Pratt & Whitney Canada** Pratt & Whitney Canada (P&WC) is a global leader in the aerospace industry, headquartered in Longueuil, Quebec. We manufacture next-generation engines that power the world’s largest fleet of business, general aviation, and regional aircraft and helicopters. For nearly 100 years, we have pioneered advancements in engine development, supporting cargo and equipment transportation, wildfire suppression, and passenger travel. **An Employer of Choice** Pratt & Whitney Canada was recognized as one of Canada’s Top 10 Employers in 2025 by _Forbes_ and ranked #1 in the aerospace and defense industry in the country. Our headquarters is also listed among the top employers in the Montreal region. These accolades reinforce our reputation as an employer of choice in Montreal, Canada, and worldwide. This position is full-time, Monday to Friday, with flexible hours in **Mississauga** , and is exclusively on-site. **What will your day-to-day look like?** + Lead and manage design system development for analytical systems including aerodynamics, structures, dynamics and performance. + Develop solutions that provide state-of-the-art productivity for the engineering and enterprise community including the effective use of optimization technology and multi-physics analysis + Provide technical leadership in the areas of software engineering, design systems architecture and analytical methodology development. + Responsible for driving projects from inception to completion. **What do you need to be successful?** + Bachelor’s degree with 6 to 10 years’ experience or Master’s degree with 3 to 6 years’ experience in: Aerospace Engineering, Mechanical Engineering, Computer Science + Strong fluency in Python and ideally a compiled language such as C, Fortran, or Rust + Knowledge of Python testing frameworks such as pytest + Advanced experience with both Windows and Linux operating systems + Analytical experience in turbomachinery design, systems engineering, or controls software development + Experience conducting Multi-disciplinary design optimization projects (MDAO) + Experience running simulations on High Performance Computing (HPC) environments + Software development and DevOps experience + Experience building software using revision management systems like Git or SVN. + Hands-on expertise in DevOps or CI/CD tools like GitHub, Azure DevOps (ADO) + Experience building cloud-based Infrastructure-as-Code (IaaS) solutions on AWS is desirable + Experience in data analysis and machine learning an asset. + Practical knowledge of Agile project management and software development methodologies such as Scrum and SAFe **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 + 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? _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._ **Privacy Policy and Terms:** Click on this link (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and Terms Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.