Manager Maintenance

Maintenance Manager
Full-time, permanent position
Location: Ontario Plants Propagation Limited (St. Thomas, Ontario)

Reports to: COO

The Company:

Ontario Plants is more than a propagation company, we're shaping the future of sustainable agriculture. As a leader in the controlled environment agriculture (CEA) sector, we specialize in producing high-quality starter plants for vegetables and soft fruits, delivering to greenhouse growers across North America. Our state-of-the-art facilities combine advanced technology, strict biosecurity, and year-round production to meet the evolving needs of our customers. We are expanding our soft fruits program, making this an exciting time to join a team committed to growth, quality, and operational excellence.

Position Summary:

The Manager of Maintenance is responsible for the installation, maintenance and repair activities of the facilities, equipment, lines, vehicles and systems. The role involves managing a team, coordinating with various stakeholders, and implementing effective maintenance strategies.

Key Responsibilities:

• Coordinate and manage the installation, maintenance and repair of facilities, equipment, vehicles and systems, ensuring optimal functioning, safety, and compliance with regulations.
• Diagnose complex mechanical, electrical, pneumatic, and hydraulic issues during equipment breakdowns.
• Perform root cause analysis (RCA) for repetitive failures and drive permanent solutions.
• Provide emergency repairs and scheduled maintenance to minimize downtime.
• Develop and implement preventive maintenance schedules, procedures, and protocols to minimize downtime and maximize equipment lifespan.
• Manage, hire, and lead a team of maintenance technicians and project personnel, providing guidance, training in troubleshooting, and performance evaluations. (electricians, plumbers, welders, mechanics)
• Conduct regular inspections and audits to assess the condition and performance of assets, identifying opportunities for improvement and implementing necessary upgrades or replacements.
• Allocate resources, including personnel, equipment, and materials, to support project execution and ensure optimal utilization.
• Ensure strict adherence to Lockout/Tagout (LOTO) protocols and workplace safety standards in accordance with provincial and federal regulations.
• Train maintenance staff on LOTO procedures, safety protocols, and equipment handling.
• Manage departmental budgets, controlling maintenance costs and resource efficiency.
• Implement inventory management protocols and maintain accurate spare parts inventory to support continuous equipment operation.
• Negotiate with suppliers and vendors to optimize pricing and delivery performance.
• Support automation upgrades including PLC and robotics troubleshooting.
• Utilize hand and power tools, electric meters, and diagnostic equipment effectively.
• Other duties as assigned and developed

Qualification and Experience:

• College diploma or relevant vocational training in engineering, project management, facilities management, or a related field. Professional certifications (e.g., PMP, CMRP) are preferred.
• Valid Industrial Millwright or Electrician License (Ontario) is strongly preferred.
• Proven experience in maintenance management, preferably in an agriculture industry or organization.
• Experience with hydraulics, pneumatics, irrigation and electrical-mechanical systems.
• Familiarity with automated production lines, PLCs, and industrial robotics.
• Familiarity with maintenance best practices, preventive maintenance strategies, and regulatory compliance.
• Excellent leadership and team management skills, with the ability to motivate and guide a diverse team of professionals.
• Strong analytical and problem-solving abilities, with the capacity to identify issues, evaluate options, and make informed decisions.
• Excellent communication and interpersonal skills, with the ability to effectively collaborate with stakeholders at all levels.
• Sound financial acumen, with the ability to develop and manage budgets, analyze financial data, and make informed decisions.
• Develop software protocols relating to project management and maintenance. (Polariks or similar)
• Knowledge of safety regulations and best practices related to project execution and maintenance activities.

What We Offer:

• Competitive salary with performance-based bonuses in the range of
• Comprehensive health, dental, and vision benefits, plus retirement savings plan.
• A pivotal role in shaping the future of sustainable agriculture.
• Opportunities for career advancement in a rapidly expanding organization.
• A dynamic and friendly work environment, with an active social committee organizing events such as sports activities, BBQs, and fun gatherings.
• Thrive in a supportive, team-focused environment with work-life balance, team events, and perks like coffee/snack corners and referral bonuses.

Why Ontario Plants?

Ontario Plants is Canada's leading young plant propagator, serving major greenhouse vegetable and soft fruit growers across North America. As we expand our production capacity and innovation capabilities, this role offers the opportunity to shape the future of propagation and lead groundbreaking work in sustainable agriculture.

How to Apply

Submit your resume via one of the following methods:

• Email:
• Subject line: Maintenance Manager
• Website:

Ontario Plants Propagation Ltd. is committed to providing accessible employment practices in compliance with the Accessibility for Ontarians with Disabilities Act (AODA). Accommodation is available on request for candidates to take part in all aspects of the recruitment and selection process. If you require accommodation, please contact Human Resources on This job posting is available in alternative formats upon request. We thank all applicants for their interest; only those selected for an interview will be contacted.

Job Type: Full-time

Expected hours: 40 – 60 per week

Benefits:

• Casual dress
• Company events
• Dental care
• Extended health care
• Life insurance
• On-site parking
• Vision care

Ability to commute/relocate:

• St. Thomas, ON: reliably commute or plan to relocate before starting work (preferred)

Experience:

• PLC: 5 years (preferred)

Licence/Certification:

• Industrial Millwright or Electrician License (preferred)

Work Location: In person