Position Title: Mechanical Fitter (Tail-End) Location(s): St. Catharines (Port Weller) & Hamilton, ON

Job Type: Full-time, Permanent

Compensation: $35 – $40 per hour, based on experience

About Ontario Shipyards

Ontario Shipyards operates two premier marine facilities on Lake Ontario: our main fabrication hub in Hamilton and the historic Port Weller Dry Docks on the Welland Canal in St. Together, we form the largest Canadian-owned ship repair and refit operation on the Excellent Lakes. As a trusted partner to the Canadian Coast Guard and major commercial fleets, our combined yards deliver everything from advanced manufacturing to massive vessel life extensions.

The company is embarking on an unprecedented period of growth driven by the opportunities created by Canada’s National Shipbuilding Strategy. At the same time, the company is executing the Ontario Shipyard Modernization Project (OSMP) which is a multi-million-dollar initiative that is revolutionizing shipyard operations in Ontario and ultimately Canada. Our team takes immense pride in keeping the Great Lakes fleet moving, building and maintaining the giant vessels that drive Canada's economy – where water meets mettle.

Reporting to the Mechanical Supervisor and working with/under FSRs (Field Service Representatives) of various supply and manufacturer companies, the Mechanical Fitter will disassemble, clean, inspect, repair, and reassemble mechanical components on ships, including tail shafts, propellers, rudders, steering systems, bearings, pumps, motors, sea valves, windlasses, davits, cranes, bow/stern thrusters, and other mechanical components. The Mechanical Fitter will ensure the mechanical systems of the ship operate efficiently and reliably, acting as a skilled mechanic in maintaining optimal ship performance.

Conduct pre-use inspections of tools and equipment to ensure they are in safe working condition.





Conduct daily field level risk assessments to identify safety hazards on job sites.

Mechanically fit and install marine hydraulic and pneumatic cylinders, pumps, hoses, engines, gearboxes, generators, bilge pumps, valves, lazy rods, and other mechanical components.

Conduct hydrostatic/pressure tests of tanks and other components.

Read and interpret mechanical drawings, blueprints, technical manuals, and equipment specifications.

High School Diploma, Grade 12, or equivalent.

- Completion of a recognized Mechanical/Millwright, Marine Mechanical, Marine Engineering, or related skilled-trades program.
- Valid Ontario 433A Certificate of Qualification and/or Red Seal endorsement is a strong asset.
- 3–4 years of hands-on mechanical fitting, millwright, mechanical maintenance, or related industrial experience.
- Previous experience in ship repair, marine maintenance, propulsion systems, or shipyard operations.
- Working knowledge of rigging practices, including safe movement of heavy components, use of chain falls, slings and shackles, and understanding of crane signals and rigging terminology.
- Welding and oxy/acetylene cutting competency is an asset.
- Comprehensive health benefits including health, dental, vision, life and disability coverage for you and your dependents

RRSP matching program and Health Spending Account (HSA)

Paid vacation time and statutory holidays

Opportunities for professional development and specialized shipyard training

On-site parking

We do not use AI or automated computer systems to screen, assess, or select applicants for this position.

Ontario Shipyards is an equal opportunity employer and is committed to fostering an inclusive and accessible workplace. We will provide reasonable accommodation to applicants with disabilities throughout the recruitment and selection process, in accordance with the Accessibility for Ontarians with Disabilities Act (AODA).

📌 Mechanical Technician/Millwright (Full Time) (St. Catharines)
🏢 Ontario Shipyards
📍 St. Catharines