Class Jobs in Markham, ON

The Building Operator / 4th Class Power Engineer is responsible for the safe operation, maintenance, and optimization of building systems across client facilities in Woodstock, ON. With a strong focus on steam, boiler, and hot water systems, this role ensures reliable building performance, regulatory compliance, and a high standard of service for clients and occupants. Success in this role means safe operations, well-maintained systems, and trusted client relationships.

Why This Role Matters to Modern Niagara
Building Operators are critical to keeping our clients’ facilities operating safely, efficiently, and without disruption. Their expertise directly supports occupant comfort, asset reliability, and Modern Niagara’s reputation for technical excellence, safety leadership, and long-term client partnerships.

Key Impact / Purpose

• Deliver safe, reliable, and efficient operation of mechanical, electrical, and building systems

• Protect client assets by identifying deficiencies, recommending improvements, and maintaining system performance

• Strengthen client relationships through clear communication, responsiveness, and professionalism

• Support Modern Niagara’s safety-first culture by consistently adhering to regulatory and company standards

Duties and Responsibilities

• Operate, troubleshoot, maintain, and repair boilers, HVAC systems, electrical systems, and plumbing systems, with a primary emphasis on steam, boiler, and hot water units

• Maintain all mechanical services within design capabilities and prescribed environmental conditions

• Perform routine inspections and preventative maintenance to ensure efficient and reliable system operation

• Communicate daily with supervisors and building personnel regarding service issues, system status, and required actions

• Develop and maintain operating instructions and procedures for equipment and systems

• Establish and execute periodic operational testing schedules for critical equipment and systems

• Evaluate system performance and provide deficiency reports and improvement recommendations to the Supervisor

• Establish performance standards and ensure work is completed in accordance with quality and safety expectations

• Escort and oversee subcontractors performing outsourced building services

• Support commissioning activities for new or upgraded plant and equipment

• Train new and existing client staff from pre-construction through construction and operational phases

• Perform other duties as required within the scope of contractual obligations

Must Haves

• 4th Class Power Engineer Certification (TSBC) or equivalent (TSSA)

• Strong subject matter expertise in steam, boiler, and hot water systems

• Minimum 5 years of experience in general building maintenance

• Working knowledge of WHMIS, provincial safety legislation, and applicable building codes and regulations

• Experience using CMMS, Building Automation Systems (BAS), and Microsoft Office applications

• Excellent communication skills with a strong customer-service mindset

• Ability to work independently while also contributing effectively within a team environment

Nice to Haves

• Experience working in a hospital or healthcare environment

• Exposure to commissioning activities and client staff training

• Familiarity with multi-site facility operations

This is a new position.
Expected compensation: $ – $ per hour, commensurate with experience.

About Modern Niagara
Modern Niagara helps building owners, managers, and general contractors meet the mechanical, electrical, integrated building technology, and building services needs of their buildings across Vancouver, Calgary, Edmonton, Toronto, Southwestern Ontario, and Ottawa. We are committed to having a positive and meaningful impact on Canada’s infrastructure — and on the communities where we live, learn, work, and heal. We build for life.

Our Culture & Values
We value passion, initiative, determination, professionalism, and teamwork. Health and safety are embedded in everything we do, and our award-winning safety culture consistently performs well above industry standards.

Diversity, Equity & Inclusion at Modern Niagara
We are committed to building a diverse, equitable, and inclusive organization where everyone has access to opportunity, feels a sense of belonging, and can thrive. We actively work to remove barriers faced by members of equity-seeking groups (including women, Indigenous, Black, racialized, 2SLGBTQIA+ people, people with disabilities, and newcomers to Canada) in the construction industry. We encourage applications from candidates of all backgrounds and lived experiences and are committed to a barrier-free hiring process. If you require accommodation at any stage of the recruitment process, please contact us at so we can make appropriate arrangements.

We appreciate every applicant’s interest in joining Modern Niagara. Only those selected for an interview will be contacted.