Engineering Assistant Jobs in Markham, ON (NOW HIRING)

51708 - Toronto - Regular 

Hiring salary range: $4,102.00 - $5,508.40 / Bi-weekly

Hydro One is proud to be the largest electricity transmission and distribution provider in Ontario, serving nearly 1.5 million customers. We have a long history in the industry with our roots dating back over 110 years to 1906. Since then, we have worked to grow and evolve to meet the changing needs of our customers and communities across Ontario. Today, we’re focused on providing exceptional customer service and ensuring we are building safe communities where we live, work and play.

It’s an exciting time to join the team at Hydro One!

This role provides technical leadership for the structural design of transmission stations and related facilities by driving high-quality engineering solutions, design consistency, and adherence to standards, codes, and regulatory requirements. Responsibilities include developing and reviewing structural and civil designs, engineering calculations, specifications, and documentation; supporting constructability and coordination across project phases; and ensuring alignment with design intent, safety requirements, and organizational standards.

The role also supports engineering governance, quality assurance, and continuous improvement by leading peer reviews, contributing to the development of standards and tools, and identifying opportunities to enhance engineering practices. In addition, it provides technical guidance and mentorship to engineering staff, collaborates with internal teams, suppliers, and stakeholders, and supports risk identification, issue resolution, and decision-making to ensure effective and reliable project delivery.

Job Function:

For major and/or complex transformer, switching, frequency changer and condenser stations projects, and the switchyard features associated with generating stations, develop and provide technical oversight for "structural" designs, ensuring alignment with applicable standards, to achieve the concepts, layouts and requirements as specified for the project, exercising sound engineering judgment. Collaborate with all stakeholders in the various phases leading to final design, ensure coordination of various features to avoid design conflicts and support overall design integrity, provide technical guidance and supervise assisting staff as required. Examine contracts and equipment tenders to ensure they meet the intent of the structural design.

Job Description:

• Develop structural designs for station projects and related facitlities to achieve the concepts, layouts, and requirements as specified for the project.
• Collaborating with all concerned in the various phases leading to final design, preparing sketches, instructions, and other data as required for drawing production, and providing advice and guidance as required throughout
• Examine concepts, equipment and material tenders, to verify that design, equipment, or agreement, meets the intent and requirements of the structural design, collaborating with all concerned in changes necessary.
• Attend to structural design issues arising during field construction, including site visits as required to investigate and aid in the resolving of problems and implement design revisions as required.
• Recommend the need for new or revised structural design standards and assist in their development.
• Act as a subject matter expert (SME) on assigned projects, supporting resolution of complex engineering challenges.

• Periodically supervise staff assigned to assist on major or complex projects; this may include providing mentorship and technical guidance to junior and intermediate engineers.

• Assist with the development of engineering staff, as required. 
• Act as a recognized design authority for complex, non-standard, or high-risk station designs, contributing to key technical decisions.
• This job requires incumbents to possess their Professional Engineering Ontario (PEO) License (P.ENG License) and seal to approve engineering work done by themselves or others
• Lead and participate in peer reviews of engineering deliverables to ensure technical accuracy, constructability, and compliance with applicable codes, standards, and design requirements.
• Perform other duties as required.

Education:

• Requires an engineering knowledge of the behaviour and design of steel structures, soil mechanics and foundations, concrete design, structural theory, mechanics of materials, and the applicable engineering mathematics.
• This job requires incumbents to possess their Professional Engineering Ontario (PEO) License (P.ENG License) and seal to approve engineering work done by themselves or others
• This knowledge is considered to be normally acquired through the completion of 4 years of University training (Grade XII plus 5 years) in an appropriate field such Structural Engineering.

Experience:

• Requires practical experience in the structural design areas to fully gain familiarity with the practical approaches, methods, and techniques pertinent to station design projects, including an understanding of the interaction with electrical equipment, and the requirements for drawing production, standards, and practices.
• Requires field experience to develop an understanding of construction methods, installation practices, and constructability considerations.
• Requires progressive experience in the design field related to transformer, switching, frequency changer and condenser stations, working in all areas of station design to effectively perform in the "Specialist" capacity.
• A period of eight to ten years or progressive experience in structural engineering design is considered necessary to gain this experience. 

At Hydro One we understand that the success and strength of our business rests with our people. When we develop their skills, we are investing in both their success and ours. To secure the best talent, we seek to create a workforce that reflects the diverse populations of the communities where we live and work and to create a culture based on safety, innovation and inclusiveness.

We are honoured to be recognized by Forbes in its list of Canada’s Best Employers for 2026. 

Thank you for considering a career with Hydro One, we welcome applications from all qualified candidates. If you are having difficulty using our online application system and you need an accommodation due to a disability, please email careers@hydroone.com. Hydro One will provide reasonable accommodation for qualified individuals with disabilities in the job application process.

Please note this email is only for accommodation requests. Resumes sent to this email address will not be considered.

"Employer of the year 2026"

Deadline: June 15, 2026

The base salary for this role considers a variety of factors, including candidates' knowledge, skills, experience, education, and any applicable collective agreement requirements for union-represented positions. Hydro One provides an extensive offering of programs to promote a culture of safety, wellbeing, inclusivity, and sustainability to enable our employees to be the best version of themselves. For management roles, compensation is based on the principle of pay-for performance compensation philosophy, and the amount of annual adjustments and incentive payments depends on how well you and the company perform (subject to plan terms). We encourage open dialogue about compensation with our Talent Acquisition Team, who can provide more detailed information specific to this role.

This posting is for an existing vacancy. 

Hydro One uses AI tools to assist in the screening and assessing candidates for this role. Our use of AI does not replace human decision-making.

In the event you are experiencing difficulties applying to this job please consult our help page here. #LI-HYBRID

We thank all applicants for their interest in a career at Hydro One; however, only those candidates who are selected for an interview will be contacted.