Heavy Duty Mechanic / Power & HVAC Service Technician (Level III or IV) Location: Bolton, Ontario | GTA & Surrounding Areas Salary: $90,000–$120,000 Annually, Based on Experience Employment Type: Full-Time, Permanent Industry: Power Generation, Heavy Equipment & HVAC Rental Services The Opportunity Talent

Sphere Staffing Solutions is recruiting on behalf of a leading equipment rental organization seeking an experienced Heavy Duty Mechanic / Power & HVAC Service Technician (Level III or IV) to join its growing service team in Bolton, Ontario.

This is an excellent opportunity for a skilled technician who enjoys complex mechanical and electrical troubleshooting, working independently in the field, and servicing a diverse range of industrial power generation and HVAC equipment.

Our client offers a professional, safety-focused work environment, challenging technical assignments, and opportunities for long-term career advancement.

We are particularly interested in technicians with strong diesel engine, generator, electrical distribution, and advanced generator paralleling experience .

What You'll Be Doing Diagnose, troubleshoot, maintain, and repair industrial generators, diesel engines, electrical systems, and HVAC rental equipment.

Perform advanced generator troubleshooting, including paralleling, synchronization, load sharing, breakers, and electrical distribution systems.

Complete complex mechanical, electrical, hydraulic, and diesel equipment repairs using schematics, diagnostic tools, and technical documentation.

Service equipment such as generators, chillers, air conditioners, boilers, pumps, and dehumidifiers.

Perform field service assignments throughout the GTA and surrounding areas, independently identifying and resolving technical issues.

Conduct preventative maintenance, inspections, testing, and equipment commissioning.

Maintain accurate electronic service records, work orders, and repair documentation.





Provide professional technical support and customer service at job sites.

Assist with training and mentoring junior technicians when required.

Follow established safety procedures and maintain high standards of workmanship.

What We're Looking For Required Qualifications Minimum 5 years of hands-on experience maintaining, diagnosing, and repairing industrial power generation, heavy equipment, or HVAC systems.

Strong mechanical aptitude, particularly involving diesel engines and heavy-duty equipment.

Advanced knowledge of generator systems, including paralleling, synchronization, load sharing, and electrical distribution.

Proven ability to diagnose and resolve complex mechanical and electrical failures.

Experience interpreting electrical schematics, mechanical drawings, and technical manuals.

Ability to work independently in both shop and field service environments.

Valid driver's licence with a clean driving record.

Strong communication, problem-solving, and customer service skills.

Ability to lift up to 45 lbs and perform physically demanding service work.

Must possess personal tools appropriate for the position.

Highly Desirable Experience Heavy Duty Equipment Technician, Diesel Mechanic, or Journeyman Electrician certification.

Experience with industrial rental equipment and temporary power systems.

Advanced generator controls, paralleling switchgear, and electrical distribution.

Experience servicing commercial or industrial HVAC equipment, including chillers, boilers, and pumps.

Previous experience mentoring or supporting junior service technicians.





Technician Level Considerations We are primarily seeking experienced Level III or Level IV Service Technicians who can independently handle advanced technical repairs and troubleshooting.

However, exceptional Level II technicians who are approaching Level III competency may also be considered, particularly those demonstrating advanced generator paralleling expertise, strong mechanical and electrical troubleshooting abilities, and a commitment to professional growth.

Compensation & Career Opportunities Annual Salary: $90,000–$120,000 , depending on experience, qualifications, and technical capabilities.

This opportunity offers: Full-time, permanent employment with an established equipment rental organization.

Exposure to advanced industrial power generation and HVAC technologies. A technically challenging position with a combination of field and shop responsibilities.

Opportunities for professional development and advancement into senior technical or service leadership positions. A collaborative, safety-conscious working environment.

The prospect to work with a respected organization supporting industrial, commercial, and construction customers.

Ready for Your Next Career Move? If you are an experienced Heavy Duty Mechanic, Generator Technician, or Electrical Service Technician with advanced power generation expertise, we want to hear from you.

Apply today through Talent

Sphere Staffing Solutions to discuss this opportunity confidentially.

All qualified applicants will be considered.

Client details will be shared with shortlisted candidates as the recruitment process progresses.

Recruitment & AI Disclosure: Talent

Sphere Staffing Solutions may use artificial intelligence (AI) tools to assist with candidate screening and assessment.

All AI-assisted insights are reviewed by human recruitment professionals, and hiring decisions are made in accordance with applicable Ontario employment and human rights legislation.1

📌 Power HVAC Mechanic/Electrician Technician (Bolton)
🏢 TalentSphere
📍 Bolton