Project Manager, Construction Manager​/ Foreman, Procurement ​/ Purchasing

O.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.

We’re growing and seeking a Project Manager
to join our Oakville team. This role is ideal for someone who thrives in a fast-paced environment, communicates with confidence, and enjoys leading projects from concept to completion.

• Oversee full project lifecycle, ensuring timelines, budgets, and quality standards are met
• Coordinate with clients, consultants, subcontractors, suppliers, and internal teams
• Review drawings, specs, and scope to plan and execute work effectively
• Prepare and manage schedules, budgets, RFIs, change orders, and documentation
• Conduct site visits to ensure safety compliance and high-quality execution
• Forecast project needs, resolve issues quickly, and provide regular updates
• Lead and support site teams with clear communication and direction
• Manage multiple projects simultaneously with accuracy and attention to detail
• Build and maintain strong client relationships

• 5+ years of construction project management experience in commercial is preferred
• Post-secondary education in Construction Management, Engineering, Architecture, or related field is required
• Strong understanding of construction drawings, building codes, and industry standards
• Proficiency with project management software and tools (e.g., MS Project, Jonas, Bluebeam)
• Proven ability to lead teams, solve problems, and make informed decisions quickly
• Strong communication, organization, and time-management skills
• Commitment to safety, quality control, and delivering excellent client service
• Ability to work in office in Oakville and travel to project sites as needed

Our 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.