Supervisor - High Voltage Cable Splicer

51868-  Toronto -  Regular  

Hiring salary range: $69.19 - $72.12 / hourly

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!

Previous underground high-voltage cable experience is a critical requirement for this position. Only candidates who can demonstrate relevant hands-on experience with underground high-voltage cable systems should be advanced for consideration.

The Cable Crew is responsible for the safe maintenance, operation, and integrity of approximately 170 km of underground transmission circuits across Toronto & the GTA, encompassing a mix of HV High /Low Pressure Liquid Filled cable, Pipe type and XLPE cable systems. This network forms a critical backbone supplying the downtown core and surrounding load centres. Our team plays an integral role in supporting capital projects and system expansions by providing field expertise and site representation for contractors, ensuring work is completed to standard and in alignment with system reliability requirements. Additionally, we fulfill key legislative obligations, including managing locates through Ontario One Call to protect buried infrastructure and prevent third-party damage. Through these combined responsibilities, the Cable Crew directly contributes to the reliability, safety, and long-term sustainability of the broader transmission system.

General Accountabilities

• Lead and supervise Cable Crews in the safe, efficient execution of preventive and corrective maintenance programs for underground HV cable systems

• Plan, schedule, and coordinate crew activities, materials, tools, and equipment to deliver work programs, inspections, and capital work  

• Take ownership of crew safety, including establishing and holding work protection, conducting tailboards, safety meetings, and hazard assessments, and ensuring compliance with Hydro One standards 

• Lead cable locates (stakeouts) and support capital work, including HV cable joint replacements and system improvements 

• Supervise and participate in cable maintenance, inspections, testing, and HV/MV cable repairs, and carry out Hi Pot and Partial Discharge cable testing for MV cables up to 50KV 

• Organize and assign work to crew members based on skills and qualifications, and coordinate activities with internal teams, contractors, and stakeholders 

• Optimize resources and adjust work plans to respond to changing priorities, system conditions, and emergencies 

• Monitor crew performance, provide coaching and on-the-job training, and support employee development and performance management 

• Promote a respectful, productive work environment and maintain positive labour relations 

• Ensure accurate reporting, documentation, and use of systems (e.g., SAP) for planning and tracking work activities 

• Ensure work meets corporate standards for safety, quality, and productivity 

• Participate in on-call rotations and respond to emergency work as required

Selection Criteria

• Grade 12 (or equivalent) with experience in a high-voltage (HV) environment, including job planning, work protection, and crew leadership 
• Valid driver’s license
• Utility Work Protection Code (UWPC) certification is an asset 
• 309A Electrician certification (or equivalent) is an asset 
• Proven experience as a cable maintainer, including: 

• Splicing and terminating MV/HV cables 

• Performing cable maintenance, inspections, and repairs using specialized equipment 

• Ability to read and interpret drawings, schematics, and route prints 
• Demonstrated leadership experience directing crews, assigning work, and delivering safe, efficient results 
• Strong knowledge of Hydro One Safety Rules, work protection practices, and cable maintenance standards 
• Ability to lead safety programs, tailboards, and compliance activities 
• Experience coaching and developing employees, with strong communication and organizational skills 
• Known for reliability, sound judgment, and fostering positive labour relations 
• Willing and able to: 

• Work overtime and participate in on-call and emergency response rotations 

• Travel and work away from headquarters, as required 

• Perform physically demanding work outdoors in varying weather conditions 

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 View email address on jobs.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: August 11, 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.