Marine Welder: Shipyard Fabrication & Vessel Repair

Ontario Shipyards; St. Catharines; On-site; CAD 34,000 - 48,000; Full time

Benefits offered by this job

Competitive compensation

Health benefits

RRSP matching

Paid vacation

Safety gear discounts

Professional development

On-site parking

Job summary

Ontario Shipyards is hiring a Welder to perform high-quality welds for marine vessels within ourHamilton and Port Weller facilities. You will work inside shops, dry docks, and confined spaces following welding procedures to ensure compliance with CWB and safety standards.

Reporting to the Welding Supervisor, you will read blueprints and welding symbols, liaise with fitters, and maintain accurate production records while upholding a strong safety culture on the active shipyard floor.

Qualifications

• 4–5 years of hands-on welding experience in construction or maintenance settings; marine experience is an asset.
• Experience in FCAW and SMAW processes is preferred.
• Valid Ontario 456A Certificate of Qualification and/or Red Seal endorsement is an asset.
• Experience reading blueprints, fabrication drawings and welding symbols.
• Comfort in rugged shipyard environments and ability to work in confined spaces daily.

Responsibilities

• Conduct pre-use inspections of tools and welding equipment to ensure safe operation.
• Weld steel structures using specified processes to meet structural and safety standards.
• Read and interpret blueprints, fabrication drawings and welding symbols per project specs.
• Maintain accurate records for quality control and traceability.
• Collaborate with fitters and trades to support safe, efficient project execution.
• Keep work area clean, organized and safe.

Skills

Welding experience

Read blueprints

CWB/Red Seal knowledge

Safety-conscious

Crane awareness

Education

Ontario 456A/Red Seal

Job description

Ontario Shipyards is hiring a Welder to perform high-quality welds for marine vessels within ourHamilton and Port Weller facilities. You will work inside shops, dry docks, and confined spaces following welding procedures to ensure compliance with CWB and safety standards.

Reporting to the Welding Supervisor, you will read blueprints and welding symbols, liaise with fitters, and maintain accurate production records while upholding a strong safety culture on the active shipyard floor.