Part Time Apprentice Jobs in Ontario (NOW HIRING)

WHO ARE WE?

Dexterra Group is a fast-growing, financially strong, publicly listed company (TSX:DXT). We have a far-reaching presence across North America with hundreds of full-time and part-time opportunities available at any given time. We strive to provide our employees with more than just a job—we offer meaningful opportunities in a culture that promotes stability, diversity and inclusion, camaraderie, employee recognition, work-life balance, and doing what you love.

For over 75 years, the companies that began independently and now form Dexterra Group have been dedicated to serving North American clients by creating and managing built environments that play a vital role in our economy and local communities. That's something we're truly proud of: Work That Matters, People Who Care.

Position Summary

Reporting to the Operations Manager, the HVAC-R & General Maintenance Technician is responsible for performing preventative maintenance, diagnostics, repairs, and installations on HVAC-R systems and related building equipment at client facilities. This role ensures all work is completed safely, efficiently, and in compliance with applicable codes, regulations, and company standards while delivering exceptional customer service.

The successful candidate will work independently and collaboratively to maintain mechanical, electrical, and building systems while supporting operational excellence across client sites.

Key Responsibilities

• Perform preventative and corrective maintenance on HVAC-R systems, including air conditioning units, furnaces, boilers, HRVs, domestic heating systems, smoke and carbon monoxide detectors, and associated equipment.
• Complete inspections, diagnostics, troubleshooting, repairs, and system testing.
• Perform routine maintenance including filter changes, coil cleaning, belt replacement, pulley and bearing replacement, pump maintenance, combustion testing, balancing, and system adjustments.
• Review and complete work orders through computerized maintenance management systems (CMMS).
• Conduct site inspections, risk assessments, and pre-job safety planning.
• Ensure compliance with applicable building codes, safety regulations, environmental standards, and company policies.
• Estimate labour, materials, and resources required to complete maintenance and repair activities.
• Coordinate with planners and vendors to source materials and equipment required for assigned work.
• Maintain accurate service records, maintenance reports, and documentation.
• Support minor electrical work and assist with small project scopes as required.
• Communicate effectively with clients, contractors, vendors, and internal stakeholders.
• Provide technical guidance and mentorship to junior maintenance staff and apprentices.
• Participate in emergency response and after-hours support as required.

Qualifications

• Red Seal 313A Refrigeration and Air Conditioning Certification required.
• Gas Technician 2 (G2) required; Gas Technician 1 (G1) considered a strong asset.
• Ozone Depletion Prevention (ODP/ODS) Certification required.
• Minimum 3 years of related HVAC-R maintenance and service experience.
• Post-secondary education in HVAC, Mechanical Systems, Building Operations, or a related field is considered an asset.
• UA Local 787 membership in good standing is considered an asset.
• Valid driver's license with a clean driver's abstract.
• Ability to obtain and maintain applicable security clearances, including a clear criminal record check.

Knowledge, Skills & Abilities

• Strong knowledge of HVAC-R systems, boilers, pumps, motors, air handling units, building automation systems (BAS), life safety systems, and associated mechanical equipment.
• Ability to read and interpret mechanical, electrical, control, and construction drawings.
• Experience using CMMS platforms and Microsoft Office applications.
• Strong troubleshooting, analytical, and problem-solving skills.
• Excellent verbal and written communication skills.
• Strong organizational skills with the ability to prioritize multiple tasks and deadlines.
• Ability to work independently with minimal supervision and within a team environment.
• Professional and customer-focused approach to service delivery.
• Ability to remain calm and effective in high-pressure situations.

Working Conditions

• Frequent walking, standing, bending, kneeling, reaching, and climbing.
• Ability to lift up to 50 lbs.
• Comfortable working at heights and using ladders or elevated work platforms.
• Ability to work indoors and outdoors in varying weather conditions.
• Participation in an on-call rotation may be required.
• Ability to travel between client sites as required.

Required Certifications

• Working at Heights
• WHMIS Certification
• First Aid / CPR Certification
• Worker or Supervisor Health & Safety Awareness Training
• Additional safety certifications may be required based on client site requirements

WHAT'S IN IT FOR YOU?

• Be part of an industry that's more important than ever.
• Career advancement and professional development opportunities.
• Work with an industry-leading team focused on safety, innovation, and operational excellence.
• Competitive compensation and benefits package.
• Employee Referral Program.
• Be #1 on Day 1 by joining an industry leader.

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, colour, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veterans' status, Indigenous status, or any other legally protected factors.

Accommodation is available upon request throughout all stages of the recruitment and selection process.

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