St. Catharines, On Construction foreman Jobs – 26 Openings This Week

Steel Supervisor - St. Catharines
Ontario Shipyards Inc. —St. Catharines, ON
- $90,000–$110,000 a year
- Immediate opening
- Supervising experience
- Welding
- Construction experience
- Designated paid holidays
- Disability insurance
Quick apply
14d
Construction Foreman - Niagara
Greatario —Niagara Falls, ON
- From $40 an hour
- Full-time
- Supervising experience
- Travel
- Construction experience
- Dental care
Quick apply
Construction Foreman
Complete Casa Construction —St. Catharines, ON
- $35–$45 an hour
- Full-time
- Carpentry
- Construction experience
- In-person
Quick apply
8d
Powerline Foreman
Forbes Bros. Group of Companies —Ontario
- From $60 an hour
- Full-time
- First Aid Certification
- Construction experience
- In-person
Quick apply
Carpenter
Confidential —Niagara Peninsula, ON
- $29–$34 an hour
- Full-time
- Carpentry
- English
- High school diploma or GED
- Dental care
- Vision care
Quick apply
2d
Carpenter
Tamarack North Ltd. —Ontario
- $27–$40 an hour
- Full-time
- Carpentry
- Construction experience
- In-person
- Profit sharing
- Commuter benefits
Quick apply
Rubber Tire Excavator/Doosan Operator - Rail Construction
York Railroad Construction Inc. —Ontario
- From $29.70 an hour
- Full-time
- Heavy lifting
- Heavy equipment operation
- English
Quick apply
10d
Thermite Welder - Rail Construction
York Railroad Construction Inc. —Ontario
- From $32.88 an hour
- Full-time
- English
- High school diploma or GED
- Travel
- Dental care
- Vision care
Quick apply
10d
Electrical Superintendent – Industrial Construction (14/7 & 10/4 Rotations | Canada-Wide)
Otter Wise Talent Solutions —Ontario
- $130,000–$165,000 a year
- Full-time
- Schematics
- Microsoft Office
- Supervising experience
- Dental care
- Paid time off
Quick apply
2d
Combat Engineer
Canadian Armed Forces —Ontario
- $4,337–$6,413 a month
- Part-time
- No experience needed
- Dental care
- Paid time off
Landscape Construction Foreman
On Point Landscaping Inc. —Welland, ON
- $22.65–$40.36 an hour
- Overtime
- Management
- Supervising experience
- Construction experience
Quick apply
1d
Lead Hand/Supervisor
4Wards Exteriors —Welland, ON
- $25–$35 an hour
- Full-time
- Carpentry
- Heavy lifting
- Construction experience
- Wellness program
- Dental care
Quick apply
Landscape Construction Skilled Labourer
Tree Amigos Landscaping —Virgil, ON
- $26–$32 an hour
- Full-time
- Heavy lifting
- High school diploma or GED
- Power tools
Landscape Construction Crew Leader
Tree Amigos Landscaping —Virgil, ON
- $30–$40 an hour
- Full-time
- Heavy lifting
- English
- High school diploma or GED
Landscape Construction Labourer
Dekorte's Landscaping Ltd. —Fenwick, ON
- $18–$28 an hour
- Full-time
- Power tools
- Construction experience
- In-person
Quick apply
Landscape Construction General Labourer
Tree Amigos Landscaping —Virgil, ON
- $20–$26 an hour
- Heavy lifting
- High school diploma or GED
- Power tools
Landscape Crew Leader
Clintar Hamilton —St. Catharines, ON
- $20–$23 an hour
- Weekends as needed
- Customer service
- High school diploma or GED
- Organizational skills
- Designated paid holidays
- Disability insurance
Quick apply
Landscape Maintenance Skilled Labourer
Tree Amigos Landscaping —Virgil, ON
- $20–$25 an hour
- Heavy lifting
- High school diploma or GED
- Power tools
Horticultural Skilled Labourer
Tree Amigos Landscaping —Virgil, ON
- $22–$25 an hour
- Full-time
- Heavy lifting
- High school diploma or GED
- Power tools
Horticultural Department Crew Leader
Tree Amigos Landscaping —Virgil, ON
- $24–$30 an hour
- Full-time
- Heavy lifting
- High school diploma or GED
- Power tools

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Steel Supervisor - St. Catharines

Ontario Shipyards Inc.
St. Catharines, ON

Quick apply

Job details

Full-time
$90,000–$110,000 a year
14 days ago

Qualifications

Computer operation
Red Seal
Industrial construction experience
Supervising experience
Welding
Industrial maintenance
Construction experience

Full job description

Position Title: Steel Supervisor

Location: St. Catharines, ON

Job Type: Full-time, Permanent

Pay: Target salary range of $90,000 – $110,000 per year, 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. Catharines. Together, we form the largest Canadian-owned ship repair and refit operation on the Great 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.

Position Summary

Reporting to the Production Manager, the Steel Supervisor is responsible for overseeing the fabrication, assembly, and installation of structural steel components on ships, ensuring maximum quality, efficiency, and strict compliance with maritime standards. Unlike standard land-based structural steel roles, our environment requires a hands-on leader who can guide a crew directly on-site, navigating active ships, dry docks, and fabrication shops daily. Your main goal is to drive daily production targets, lead welding and fitting operations, and maintain a high-performing, safety-first work environment.

Key Responsibilities

Ensure strict safety and regulatory compliance in all structural fabrication, hot work, and repair activities under Ontario OHSA standards.
Act as a hands-on working supervisor, leading by example while managing direct reports and assisting the crew with welding and metal operations.
Oversee and assist with manual and semi-automatic Stick (SMAW) and Flux-Core (FCAW) welding operations to fuse heavy marine components, repair worn hulls, and execute structural tie-ins.
Operate, set up, and assist with flame-cutting equipment, metal shaping machines (shears and brakes), and straightening or bending tools on the shop floor.
Lead daily safety “toolbox” meetings, conduct field inspections, and actively manage hazard identification or accident investigations within your zone.
Collaborate with the broader supervisory team to provide accurate updates on job scopes, critical path timelines, workforce planning, and equipment needs.
Perform administrative activities necessary for effective team management, including participating in interviews, developing employees, planning daily work schedules, organizing tasks, and documenting executed work.
Evaluate employee performance regularly, providing ongoing coaching, mentoring talent, and administering progressive discipline when required.
Demonstrate operational flexibility to meet tight ship launch deadlines, proactively identifying project bottlenecks and proposing technical layout or welding solutions to management.

Qualifications & Experience

A current, valid CWB (Canadian Welding Bureau) Certification is strictly required.
Must possess 7+ years of hands-on structural steel fabrication experience in construction or industrial maintenance settings.
Must have at least 3+ years of direct supervisory or foreman experience in a heavy trade environment with a proven track record of leading teams.
A valid Canadian Red Seal Trade Certification as a Welder (456A) or Metal Fabricator (437A) is highly preferred and considered a major asset.
Previous structural experience in a ship repair, refit, or marine industry setting is considered a strong asset.
Must be of legal age to work in Ontario and legally entitled to work in Canada.
Comfort and physical capability to work in a rugged shipyard environment, including climbing scaffolding, navigating dry docks, and entering tight, confined vessel spaces in all weather conditions year-round.

What We Offer

Competitive salary based on skills and experience
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
Discounts on Safety Boots & Safety Glasses
Opportunities for professional development and specialized shipyard training
On-site parking

This job posting is for an active, immediate vacancy. Every application is reviewed individually by a member of our human recruitment team; 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 prohibit discrimination and are committed to providing equal employment opportunities in accordance with the Ontario Human Rights Code. 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). If you require accommodation during the recruitment process, please notify Human Resources, and we will work with you to meet your accessibility needs.

Quick apply

Refine Your Search

construction foreman jobs in st. catharines, on

Steel Supervisor - St. Catharines

Construction Foreman - Niagara

Construction Foreman

Powerline Foreman

Carpenter

Carpenter

Rubber Tire Excavator/Doosan Operator - Rail Construction

Thermite Welder - Rail Construction

Electrical Superintendent – Industrial Construction (14/7 & 10/4 Rotations | Canada-Wide)

Combat Engineer

Landscape Construction Foreman

Lead Hand/Supervisor

Landscape Construction Skilled Labourer

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Landscape Construction Labourer

Landscape Construction General Labourer

Landscape Crew Leader

Landscape Maintenance Skilled Labourer

Horticultural Skilled Labourer

Horticultural Department Crew Leader

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