Lead Integration Architect

Status:  Permanent Full Time

Education Level: A four-year university education in Computer Science, Information Technology, Software Engineering.

Base Location: Oshawa, ON

Shift: Days

Travel: 10%

Deadline to Apply: July 26, 2026

Salary Range: $2,751.92 - $3,227.88 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 Lead Integration Architect.

Reporting to the (RA) insert reporting to manager’s title, this position is responsible for designing, documenting, and delivering enterprise integration solutions that support scalable, secure, and resilient data exchanges across enterprise platforms and applications. This role ensures systems are integrated in a secure, maintainable, and scalable manner while facilitating collaboration across IT and business teams.

The role serves as a senior hands-on subject matter expert responsible for guiding enterprise integration strategy, standards, governance, and architecture design. The role collaborates closely with Enterprise Architecture, Development, Cloud Engineering, Cybersecurity, Infrastructure, and Business stakeholders to ensure integration solutions support operational efficiency, modernization initiatives, and long-term enterprise technology objectives .

KEY ACCOUNTABILITIES 

• Lead the design, development, and implementation of enterprise integration architectures that support large-scale business initiatives, digital transformation programs, and modernization projects.
• Develop scalable, secure, and resilient integration solutions that enable seamless data exchange across enterprise applications, cloud platforms, and business systems.
• Define and maintain enterprise integration standards, governance frameworks, architecture patterns, and best practices to ensure consistency and long-term sustainability.
• Design and govern API strategies, service-oriented architectures, messaging frameworks, and interoperability solutions that support enterprise-wide connectivity.
• Architect cloud and hybrid integration solutions, leveraging Azure services and modern integration technologies to support business and technology objectives.
• Collaborate with Enterprise Architecture, Development, Infrastructure, Cloud, Cybersecurity, and business stakeholders to align integration solutions with organizational priorities and strategic roadmaps.
• Produce and maintain architecture artifacts, technical specifications, integration patterns, and design documentation while leading architecture reviews and technical assessments.
• Provide technical leadership and mentorship to project teams, evaluate emerging technologies, drive continuous improvement initiatives, and support operational excellence through effective incident resolution and platform optimization.

QUALIFICATIONS

• Four-year university degree in Computer Science, Information Technology, Software Engineering, or a related discipline.
• Between 8 and 10 years of progressive experience in enterprise integration, solution architecture, or application architecture roles, including at least 3 years leading enterprise architecture initiatives.
• Extensive experience designing, implementing, and governing enterprise integration solutions across large, complex, and highly integrated technology environments.
• Advanced knowledge of enterprise integration architecture, API management, middleware technologies, event-driven systems, cloud integration platforms, and secure data exchange frameworks.
• Demonstrated expertise delivering cloud-native and hybrid integration solutions within Microsoft Azure environments, including synchronous, asynchronous, event-driven, and batch processing models.
• Proven experience leading architecture governance reviews, developing integration standards, and supporting strategic modernization and digital transformation programs.
• Strong analytical, problem-solving, and operational support capabilities, including incident management, root-cause analysis, platform optimization, and continuous improvement initiatives.
• Excellent communication, stakeholder engagement, and leadership skills with the ability to translate complex technical concepts into business-focused outcomes, mentor technical teams, and influence enterprise technology strategy.
• Professional certifications such as Azure Solutions Architect Expert, TOGAF, Azure Integration Services Certification, Cloud Architecture Certification, and Enterprise Integration Certification are considered strong assets.

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 View email address on jobs.opg.com

What makes a career at OPG different?

With operations across Ontario, 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.

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.