Software engineer Jobs in Ajax, ON

Status: ​Regular Full Time

Working Conditions: ​Hybrid

Education Level: Bachelor's in Engineering (Computer Engineering, Software Engineering, or Electrical Engineering - other engineering disciplines will also be considered)

Base Location: Pickering, ON

Shifts(s): ​Days

Travel: ​10%

Deadline to Apply: May 6, 2026

Salary Range: $1,704.68 - $2,924.93 Per Week

Electrify your career and help build a brighter tomorrow.

Every generation has a challenge that defines them. At OPG, we are calling on all innovators, disruptors, thought leaders and change-makers. Join us as we work to electrify life in one generation and build a sustainable future powered by our electricity, our ideas, and our people. Join OPG and make history.

Whether you work in the skilled trades or are a business professional, a career at OPG is an opportunity to electrify your life on -- and off -- the job.

JOB OVERVIEW

Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Nuclear Safety Engineer, with a focus on Software Development (Microsoft Framework).

Reporting to the Manager, Engineering, this position will provide Reactor Safety Program Support, within the Reactor Safety Engineering team, with a focus on software systems development and management utilizing the Microsoft development stack (C#, WPF, WinForms, XAML, and VBA) and database management systems (i.e. SQL-based systems such as SQL and Microsoft Access).

KEY ACCOUNTABILITIES

• Provide software application development utilizing the Microsoft development stack including C#, WPF, WinForms, XAML, and VBA.
• Provide database management, development, and design including querying, optimizing, and maintaining structured and unstructured data stores in SQL-based systems such as SQL and Microsoft Access.
• Provide documentation utilizing Software Engineering best practices principles and to produce clear, maintainable technical documentation in a software development context, drawing upon areas of Software Quality, Software/Computer Architecture, Software Project Management
• Working within a nuclear regulatory framework, including CNSC Regulatory documents (e.g. REGDOC-2.6.1 and REGDOC-3.1.1) and CSA Standards (e.g. N290.15), and its application to nuclear power plants.
• Implement and maintain the Safe Operating Envelope (SOE), including the development, update and use of SOE documents, such as Operating Safety Requirements (OSRs), Instrument Uncertainty Calculations and Compliance Tables.
• Use of EPRI Risk & Reliability software, including: CATFA, UNCERT and SYSIMP.
• Provide technical evaluations and advice, solve problems and coordinate technical work as required, in a number of work areas, in support of the commissioning, operation and maintenance of the nuclear facilities.

QUALIFICATIONS

• 4 year Bachelor’s Degree in engineering (Computer Engineering, Software Engineering, or Electrical Engineering - other engineering disciplines will also be considered).
• Minimum of 2 years of engineering experience (experience in a nuclear setting preferred, but not required)
• Experience in software application development with programming experience utilizing the Microsoft development stack including experience with one or more of the following: C#, WPF, WinForms, XAML, and VBA.
• Experience in database management, development, design, querying, optimizing, and maintaining structured and unstructured data stores utilizing the following database technologies: SQL-based systems such as SQL and Microsoft Access.
• Experience in Documentation and Software Engineering practices principles to produce clear, maintainable technical documentation in a software development context, drawing upon areas of Software Quality, Software/Computer Architecture, Software Project Management
• Knowledge and experience in any of following: Deterministic Safety Analysis, Safe Operating Envelope (SOE), Probabilistic Safety Assessments and Reliability Engineering, including the use of EPRI Risk & Reliability Software, would be considered an asset.
• Experience in working within the nuclear regulatory and licensing framework would be considered an asset.
• Strong in understanding, executing and following governance and procedures with a questioning and analytical attitude/approach under minimum required supervision.
• Experience and ability as a team player to understand and manage the interrelationships of various internal and external groups in order to facilitate objectives and ensure projects satisfy stakeholder requirements.
• Candidate must be a fully licensed engineer in the province of Ontario, or be eligible to be licensed in the Province of Ontario

The successful candidate will exhibit uncompromising integrity and commitment to upholding corporate values, and the OPG Code of Business Conduct.

OPG is committed to fostering an inclusive, equitable, and accessible environment. If you require accommodation during the selection process, please contact

What makes a career at OPG different?

With operations across Ontario and the United States, OPG is one of the most diverse power producers in North America. As the largest generator in Ontario, we meet approximately 50% of the province’s electricity needs, largely from low-carbon sources like nuclear and hydro.

As we work to achieve our vision of Electrifying life in one generation, OPG and our family of companies are also helping advance the development of new low-carbon technologies such as Small Modular Reactors (SMRs), refurbishment projects, and electrification initiatives to help power the growing demands of a growing economy. Join OPG and make history.

Please submit your application online at . OPG thanks all those who apply; however, only candidates considered for an interview will be contacted.

#LI-Hybrid

Please note: All job postings at OPG are to fill existing vacancies within our organization.

OPG may use artificial intelligence (AI) tools as part of the applicant screening process. However, applications will also be reviewed by a member of our Recruitment team to ensure a fair and thorough assessment.

The base salary range considers many factors including, but not limited to experience, education, and training, including any collective agreement requirements for union represented positions. It is not typical for the salary to be offered near the top of the range, and salary is dependent on numerous factors. For management roles, the base salary range does not represent the total compensation package. The total compensation package for regular full-time management roles includes pay-for-performance programs for annual and medium time periods. Maintaining a high-performance culture and excellence is a core expectation of every member of our leadership team and is rewarded through the established compensation framework.

OPG is committed to employment equity. As such, we encourage applicants from equity-seeking communities (Indigenous Peoples, racialized persons, persons with disabilities, and women). We strongly believe that alleviating the under-representation of equity-seeking individuals will create a stronger OPG team and allow us to better serve the needs of our diverse communities.

In order to fulfill the above-mentioned purpose, priority in hiring may be given to qualified persons who self-identify as a member of equity-seeking groups as identified in the application process. This initiative constitutes a special program under the Human Rights Code/Canadian Human Rights Act.