Stationary Engineer 3rd Class/Refrigerant B

Facilities Management / Gestion de l’immeuble Oshawa, Ontario


Position at Ainsworth

If you thrive in a team-oriented workplace that challenges your skills, to drive your career development, embraces diversity and rewards innovation, with competitive pay and great employee programs, join the Ainsworth  team today!

Job summary

The Power/Stationary Operating Engineer conducts extensive hand-on operations and maintenance work in a facility.  Work includes installation, repair, and maintenance of critical and non-critical electrical, mechanical, and plumbing/piping equipment, machinery and controls located in the interior and exterior of building.  Monitors operations and conducts a routine and on-going assessment of the building systems operations and performance. Performs tests, rounds and analyzes data to ensure the proper functioning of departmental equipment.


          At the direction of supervisor, maintains, monitors, and performs preventive, predictive, and corrective maintenance on critical equipment, which may include the following: mechanical (including HVAC, computer room air conditioners, chillers, and plumbing) electrical, generators, transfer switches, and switchgear, fire detection and suppression, life safety, lighting, temperature control systems, building  management systems, and digital systems.    Also responsible for operation and maintenance of non-critical equipment such as refrigeration, heat exchanger, HVAC, electrical, hot water systems.  Monitors operation, adjusts, and maintains refrigeration, chilled water, and air conditioning equipment; boilers, and ventilating and hot water heaters; pumps, valves, piping and filters; other mechanical and electrical equipment; record readings and make adjustments where necessary to ensure proper operation of equipment. 

          Routinely performs all work in strict accordance with governing standard operating procedures (SOP), and maintenance work instructions including electrical\mechanical switching procedures

          Operates and monitors critical and non-critical system equipment and components.  Oversees 3rd party contractors for the safe and compliant operation, maintenance (corrective and preventive), and modification of critical equipment.  Disables and enables fire alarm control panels and systems.

          Receive and execute work orders for preventative and corrective maintenance on critical systems and building physical structure. Finalize work orders by completing necessary documentation in the computerized maintenance management system.

          Respond immediately to emergency situations (fire, evacuation, equipment failure, etc.) and customer concerns.

          Comply with departmental policy for the safe storage, usage, and disposal of hazardous materials.  Maintain a clean and safe workplace.

          Performs additional job duties as requested.


  • Licensed 3rd class Stationary Engineer.
  • High School diploma or GED equivalent
  • 2+ years experience in operations, maintenance, and/or Operations Engineering supporting facilities operations
  • Working knowledge of building systems, including HVAC, standby emergency power, fire alarm, and associated infrastructure
  • Valid driver’s license (mandatory)
  • One or more of the following is preferred:

Power or Stationary Operating Engineer Class 3 or 4

Refrigeration Operator Class A

Journeyman Electrician or HVAC mechanic

Building Environmental Systems and Design

ODP certification

While we appreciate all applications we receive, we advise that only candidates under consideration will be contacted.

Ainsworth is committed to building a diverse and inclusive workplace. Qualified designated group members are encouraged to apply as any reasonable accommodation of qualifications will be considered as per our Accommodation Policy, available upon request.

Ainsworth is an integrated multi-trade company, offering an end-to-end services and solutions for all asset maintenance and refurbishment requirements of our customers. We are continually striving to create better and more advanced products as well as provide the highest quality service. We are rapidly growing and need talented professionals to help drive our vision at becoming the best multi-trade company in the country! Join us…. Make a difference.