Who We Are

O.N. Site Construction Inc. has been delivering general contracting and project management services across Canada since 2005. With projects across the GTA, Northern Ontario, Manitoba, BC, and Alberta, we manage everything from small interior renovations to multi-million-dollar builds. Our approach is grounded in service, safety, and sustainability, with a focus on quality workmanship and exceptional client care.

What are we looking for

Project Coordinator role is an integral member of the Project Management team and acts as a key facilitator of information communicated between project teams, clients, trades, and our Finance team.

What will you do

- Assist with the tendering process by preparing documents, tracking submissions, and coordinating sub-contractor engagement.
- Manage and organize construction drawings and specifications, ensuring proper naming conventions and easy access for both internal and external teams.
- Set up projects in Jonas Premier Software, including client information, budgets, and change orders.
- Collaborate with the Project Manager to coordinate subcontracts, shop drawings, and change orders.
- Prepare and distribute comprehensive project handbooks to Site Supervisors and relevant teams.
- Support financial processes by tracking billing, auditing cost controls, and preparing project forecasts.
- Oversee project closeout, ensuring compliance with the Lien Act and submission of final record documents.
- Maintain organized project folders and standardize processes for efficiency and accuracy.
- Build and nurture relationships with sub-trades and maintain an updated bidders list.
- Perform additional duties as required to support the project team and enhance project performance.

What you need to succeed

- Post-secondary education in Construction Management or recognized equivalent required.
- 3 years minimum of Project Coordinator experience




- Ability to develop and maintain excellent relationships with multiple stakeholders
- Excellent and effective communication skills; written and verbal
- Strong organization, planning and time management skills
- Strong analytical, problem solving skills
- Excellent with numbers, budgets and reporting
- Enthusiasm and commitment to continual learning
- Proficient in all computer skills, MS Office, Bluebeam and MS Project.
- Software experience with Jonas Premier is a requirement.

What’s in It for You

- Market-competitive salary
- 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 Values 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.

📌 Project Coordinator (Oakville)
🏢 O.N. Site Construction
📍 Oakville