Admin assistant Jobs in Ajax, ON

Assistant Field Coordinator/Co-op Student (Civil Construction)

Term: Starting September 2026

TERM: 8 Month Term Preferred

As an Assistant Field Coordinator, you will have the opportunity to support our Project Managers & Superintendents in the delivery of our exciting Civil projects. The focus of your role will be to maintain contract documentation, support estimating and assisting with the preparation of budgets and schedules. We work on a variety of types of contracts such as Design Build, Plan and Spec and Construction Management and you would gain experience on all of these. Please note A vehicle will be required to visit project sites, as the locations are not easily accessible by public transit.

The purpose of the Assistant Field Coordinator in supporting the project team is to ensure that a profit is made on the project, that the work is performed as per the contract documents, that the project is completed with outstanding quality, and that the jobsite is a safe workplace. In doing so, you will be involved in:

• Update and maintain purchase order logs, shop drawing and submittal logs, and plan logs.
• Gain an understanding of how to select suppliers and sub-trades and obtaining quotations.
• Assisting with and/or clarifying scope of work with sub-trades and suppliers.
• Ensuring there is a continuous focus on site safety in accordance with regulatory requirements as well as our Corporate Health and Safety Policy.
• Attending site meetings and assisting in the completion of project deficiencies.
• Tracking and keeping inventory of supplies to ensure they arrive on schedule and are tracked.

To be considered for this role you will have:

• A full-time student enrolled in a related post-secondary program of study (i.e. Architectural Technology, Construction Management or Civil Engineering)
• Or be a new graduate from a related program of study who completed studies in 2026.
• Experience with Microsoft Project and Microsoft Excel would be an asset

About Maple Reinders:

Maple Reinders is one of Canada’s most respected and trusted construction firms, delivering innovative solutions for over 55 years. We are a full-service construction provider specializing in ICI buildings (industrial, commercial, institutional) and civil/environmental projects such as water and wastewater treatment plants, composting facilities, energy-from-waste, and biogas systems.

With 500+ team members across six offices nationwide and more than 2,900 projects completed coast-to-coast, we’ve built a reputation for excellence, adaptability, and integrity.

We are proud to be:

• A Platinum Member of Canada’s Best Managed Companies
• Certified Great Place to Work
• Recipients of numerous awards for innovation, sustainability, and design

We want an individual who will embody Maple Reinders core values of

• People – Supporting our people to thrive.
• Integrity – Doing the right thing without compromise.
• Relationships – Building trust with clients & partners.
• Stewardship – Caring for communities & the environment.
• Ingenuity – Embracing challenges. Encouraging ideas. Engineering solutions.

Pay Range: $21 - $26 / hour (depending on previous experience)

Location: Site based role. Looking for co-ops in three different project site locations.

- Pickering, Ontario

Interested in Joining Our Team?

Submit your resume and project list through this posting or on our website. Only those selected for an interview will be contacted.

We use artificial intelligence (AI) to review resumes of candidates and assess their fit based on the criteria outlined in the job posting. We do not use AI to make any final hiring or interview decisions.

Maple Reinders is an equal opportunity employer and supports employment equity and diversity in the workplace. We encourage applications from all qualified individuals including women, visible minorities, Indigenous Peoples, persons with disabilities, and others who reflect our ever-changing workplace. Upon request, Maple Reinders accommodates candidates with disabilities throughout the hiring process. If you require accommodation during the hiring process, please contact hr@maple.ca.

https://www.maple.ca/