Site Superintendent

About this positionWho We AreO.N. Site Construction Inc. is a full-service general contracting and project management construction company serving some of Canada's top organizations since 2005. With headquarters in Oakville, Ontario and regional offices in Calgary, Saskatoon, and Victoria, we deliver projects ranging from small interior renovations to complex multi-million-dollar builds. Our reputation is built on quality workmanship, exceptional service, and a commitment to service, safety, and sustainability.
Who are we looking forWe're seeking a
Site Superintendent
who is hands-on, proactive, and skilled at managing projects, trades, and stakeholders on-site. While our Head Office is located in Oakville, project sites are located throughout Ontario, with potential projects across Eastern Canada. This role requires flexibility to travel and work at various project locations based on business needs.
What will you do
Oversee day-to-day on-site construction activities, ensuring timelines, budgets, and quality standards are met
Coordinate subcontractors, suppliers, and internal teams, maintaining clear communication with the Project Manager
Review and interpret architectural, mechanical, and structural drawings
Monitor scope, schedule, and performance of all trades to ensure client expectations are met
Enforce site safety protocols and Ministry of Labour regulations
Maintain worksite cleanliness and organization
Perform hands-on work when needed (demolition, carpentry, general construction support)
Anticipate issues, problem-solve proactively, and report progress to Senior Management
Build strong relationships with clients, consultants, subcontractors, and trades
What you need to succeed
3-5 years
of on-site construction supervision experience
Post-secondary education in Construction Management, Architectural Science, or Engineering is preferred
Experience in commercial or interior fit-out projects
Proficient in reading blueprints, drawings, and construction documents
Strong understanding of construction procedures, materials, and specifications
Knowledge of Ontario Occupational Health & Safety regulations
Excellent leadership, communication, and organizational skills
Effective problem-solving and decision-making abilities
Valid driver’s license and access to a vehicle
Experience in financial services or restaurant industry projects is a plus
Flexible to work evenings, weekends, and occasional out-of-province travel
What’s in it for You
RRSP contribution matching program
Health and dental benefits plan
Career growth and development opportunities
Work with experienced, collaborative, and supportive construction professionals
Exposure to diverse, challenging projects with high-profile clients
Vision and ValuesOur vision is to be
Canada's preferred partner for superior service and project delivery .
Our values guide every project we take on and shape our company culture:
People
are our foundation and bring our vision to life. We know that when they thrive, so do our clients.
Service
is at the core of O.N. Site. We focus on understanding our clients' vision and exceeding their needs because true success is getting the next job.
Collaboration
drives us - internally and externally. By working together, we elevate ourselves and become more than the sum of our parts.
Innovation
fuels O.N. Site. It transforms ideas into results, meets evolving client needs, sustains growth, and fosters a culture of continuous improvement where there is no finish line.
Quality
defines us. We deliver top-tier construction projects that ensure customer satisfaction, embedding a culture of excellence.
Safety
comes first. At O.N. Site, we believe that zero accidents is the only goal.
O.N. Site Construction Inc. is committed to a process that is inclusive, barrier free and a workforce that reflects the diversity of our community. We encourage applications from all qualified individuals including applicants from all backgrounds.
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