Senior HVAC Technician

WHATS THE JOB

Reporting to the Account Manager the Senior HVAC Technician is responsible for the maintenance repair troubleshooting and optimization of commercial and industrial HVAC/R systems across client sites. Acting as a technical subject matter expert this role provides mentorship to junior technicians supports operational planning and ensures all work is completed safely efficiently and in compliance with applicable codes standards and contractual service requirements.

The Senior HVAC Technician plays a key role in maintaining critical building systems to maximize equipment reliability energy efficiency occupant comfort and client satisfaction.

Your work will include:

Technical Operations:

• Install inspect maintain troubleshoot diagnose and repair commercial HVAC and refrigeration equipment including:
  • Rooftop Units (RTUs)
  • Air Handling Units (AHUs)
  • Chillers
  • Boilers
  • Cooling towers
  • Heat pumps
  • Variable Refrigerant Flow (VRF) systems
  • Split systems
  • Exhaust and supply fans
• Perform preventative maintenance in accordance with manufacturer recommendations and client maintenance schedules.
• Diagnose complex mechanical electrical and controls issues.
• Complete system commissioning and functional testing.
• Perform equipment replacements and retrofits.
• Conduct seasonal HVAC changeovers.
• Monitor equipment performance and recommend repairs or capital replacements.

Client Service:

• Build and maintain positive relationships with clients.
• Communicate equipment conditions and repair recommendations clearly and professionally.
• Respond to emergency service calls and critical equipment failures.
• Provide technical guidance during client meetings when required.

Leadership & Mentorship:

• Mentor and coach junior HVAC technicians and apprentices.
• Assist with training on safety procedures troubleshooting techniques and best practices.
• Support scheduling and work prioritization.
• Provide technical expertise to operations teams during complex service activities.

Safety & Compliance:

• Perform all work in accordance with:
  • Provincial safety legislation
  • Dexterra Health & Safety policies
  • WHMIS requirements
  • Lockout/Tagout procedures
  • Environmental regulations
• Maintain a clean organized and safe work environment.
• Ensure compliance with applicable mechanical electrical refrigeration and building codes.

Documentation:

• Complete work orders accurately using CMMS systems.
• Record labour hours materials equipment history and service reports.
• Maintain preventive maintenance records.
• Assist with asset lifecycle documentation.

Qualifications :

WHO ARE WE LOOKING FOR

Education & Certifications:

• Licensed Refrigeration and Air Conditioning Mechanic (313A) required.
• 4th Class Power Engineer designation
• Gas Technician 2 (G2) licence required.
• Gas Technician 1 (G1) considered an asset.
• Ozone Depletion Prevention (ODP) Certification.
• Valid Class G Drivers Licence with clean driving record.

Experience:

• 7 years of commercial HVAC service experience.
• Experience servicing institutional healthcare commercial industrial or government facilities.
• Strong knowledge of HVAC controls
• Experience working with CMMS platforms.
• Experience mentoring apprentices or junior technicians is preferred.

Technical Knowledge:

• HVAC systems
• Refrigeration systems
• Boilers and hydronic systems
• Chillers
• Pneumatic and DDC controls
• Electrical troubleshooting
• Mechanical systems
• Preventive maintenance programs
• Energy management principles

Physical Requirements

• Lift and carry up to 50 lbs.
• Work at heights using ladders and lifts.
• Work in confined spaces.
• Bend kneel crouch and climb regularly.
• Work indoors and outdoors in varying weather conditions.
• Participate in an on-call rotation as required.

Additional Information :

Additional Information

WHATS IN IT FOR YOU

• Be part of an industry thats more important than ever!
• Award winning safety culture.
• A flexible hybrid work model.
• Supportive team environment with room to grow together.
• Employee Referral Program.
• We are growing!
• Certified as a Great Place to Work 2025-2026!

Dexterra Group is an equal opportunity employer committed to diversity and inclusion. We are pleased to consider all qualified applicants for employment without regard to race color religion sex sexual orientation gender identity national origin age disability protected veterans status Indigenous status or any other legally protected factors. Disability-related accommodations during the hiring selection process are available upon request.

#IND1

Remote Work :

No

Employment Type :

Full-time

Experience: years
Vacancy: 1