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HV electrical technician

Join Spark Power in London, Canada as an HV Electrical Technician. This role involves installing, testing, and maintaining high voltage electrical systems. Enjoy competitive wages, excellent benefits, and career growth in a dynamic energy company.

On-site Full time UTC-05:00 Updated 96 days ago

Applies on spark-power.breezy.hr

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Spark Power, a trusted partner in energy in North America, is looking for a High Voltage Electrical Technician. The High Voltage Electrician / Technician is responsible for the installation, testing, commissioning, maintenance, and repair of high voltage electrical systems (typically 5kV to 44kV+) including substations, transformers, switchgear, and transmission/distribution infrastructure. This role requires specialized expertise in energized and de-energized high voltage environments, strict adherence to utility and safety standards, and experience with testing and protection systems.

What will you do you as a High Voltage Electrical Technician?

  • Install, maintain, and repair high voltage equipment including power transformers, breakers and switchgear, protection and control systems including Bus systems and disconnects (distribution)
  • Perform acceptance testing, commissioning, and diagnostics on HV equipment, including: (Megger) (TTR), Power factor, relay protection testing
  • Execute planned emergency maintenance distribution and transmission systems
  • Interpret and work from: single line diagrams, protection and control schematics and relay coordination studies
  • Familiar with Electrical lockout/Tag out procedure and have Electrical Safety Awareness
  • Travel frequently to remote substations and project sites
  • Work extended hours during outages, including nights/weekends
  • Familiar with testing different types of high voltage and low voltage equipment.
  • Report, record, compute and process electrical test information in accordance with accepted standard practices
  • Perform switching, isolation, grounding, and lockout/tagout (LOTO) procedures in high voltage environments
  • Support and execute energization and de-energization procedures Business acumen; Demonstrates an understanding of business operations and priorities, using this knowledge to make informed decisions that support organizational goals.
  • Demonstrates the ability to plan, organize, and prioritize tasks effectively to ensure timely and accurate completion of work.
  • Demonstrates an understanding of business operations and priorities, using this knowledge to make informed decisions that support organizational goals.
  • Work in substations, generation facilities, and industrial HV environments
  • Lead or support outage planning and execution
  • Mentor apprentices and junior technicians in HV procedures and safety practices

Spark Power Employee Benefits and Perks

  • Competitive wages
  • Excellent benefit package (Medical, Dental, Vision, Extended Health, Disability) and wellness spending account option
  • RRSP
  • Career advancement and mentorship opportunities
  • Diverse and exciting industrial, commercial and institutional projects and customer base
  • Continuous training and skills improvement
  • Paid uniforms
  • Paid tooling plus up to $200 annual tool allowance
  • ....and much more

Do you have the Spark? Here's what we're looking for

  • Knowledge/Experience of performing HV/MV Circuit Breaker Timing Tests
  • Strong understanding of high voltage systems and power distribution theory
  • Advanced troubleshooting of HV systems
  • Ability to interpret complex electrical schematics and relay logic
  • High attention to safety, detail, and procedural compliance
  • Strong decision-making in high-risk environments
  • Ability to work under pressure during outages or critical failures
  • Valid 309A Electrical License (or Powerline Technician / equivalent preferred depending on scope)
  • 5-10+ years of experience in high voltage, utility / substation work
  • Experience with testing and commissioning HV equipment (major differentiator)
  • Working knowledge of: Ontario Electrical Code (OEC) and Utility standards and operating procedures
  • Valid driver's license with clean abstract
  • Utility or EPC project experience
  • DZ License
  • Auto-cad experience

Typical pay for similar roles

Estimate
CA$79,040–100,650 annually
Mid level · Canada · 107 similar jobs

The middle half of pay advertised on Rejobs for this group over the last 24 months. This employer has not stated a salary.

About this role

Posted
26 Jun 2026
Updated
26 Jun 2026
Job type
Full time
Workplace
On-site
Sectors
Working hours
UTC-05:00
Experience
5-10+ years

About Spark Power

Company Overview

Name

Spark Power Corp.

Headquarters

Oakville, ON, Canada

Founded

2009

Size

Approximately 1,300 employees and revenue of CA$285.1 million in 2023 (source: stockopedia.com).

What They Do

Spark Power has transitioned from its initial focus on renewable energy solutions to a broader spectrum of integrated electrical power services. Currently, the company specializes in low, medium, and high voltage contracting, operations and maintenance (O&M), power systems engineering, asset management, and energy management. Their sustainability solutions, including offerings from Bullfrog Power, represent about 10% of their business. Spark Power's diverse product and service portfolio includes technical services for over 400 MW of renewable energy projects, power equipment manufacturing, and advisory services for asset and energy management, managing approximately $3.7 billion in assets under management (AUM) (source: electricalindustry.ca).

Projects & Track Record

Spark Power has successfully completed several notable projects, including the Sunny Shores solar project, which spans 14 MW across 100 acres and was sold to Oakville Hydro in 2014. The company has also been involved in early IESO/OPA-contracted small renewable assets and has established itself as a leading independent O&M provider for over 400 MW of renewable energy projects in Ontario. Their client base includes top revenue generators and major utilities, with partnerships that enhance their operational capabilities and market reach (source: sparkpowercorp.com).

Recent Developments

In recent years, Spark Power has announced significant developments, including their Q4 2023 earnings report, which highlighted a revenue of CA$285.1 million. The company has also shown strong operational momentum, particularly in Q3 2022, and has implemented a new direction for its U.S. operations, focusing on a field-oriented model across various states. Noteworthy milestones include the groundbreaking of their new Oakville head office in September 2020, attended by Minister Monte McNaughton, and recognition as finalists for the EY Entrepreneur of the Year award in 2017 (source: sparkpowercorp.com).

Working There

Spark Power employs a diverse range of professionals, including skilled tradespeople, engineers, automation experts, project managers, and revenue accounting specialists. The company has a strong presence in Ontario, with approximately 45% of its workforce based there, and continues to expand its operations in the U.S. Hiring occurs across various locations, including their Oakville headquarters and new branches in the U.S. The company culture emphasizes innovation, safety, and community engagement, fostering an inclusive work environment that supports rapid branch growth and operational excellence (source: sparkpowercorp.com).

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