Assistant Estimator/Co-op Student

Assistant Estimator/Co-op Student

Term: Starting May 2026

TERM: 8 or 12 Month Term Preferred

The Assistant Estimator will assume work within a team environment under direct supervision of the Senior Estimator/ Estimating Manger or the Chief Estimator. The Assistant Estimator will provide clerical and technical support to the Estimating Team for project specific estimates and prepare detailed estimates for tendering construction projects. The successful candidate will have the opportunity to work on either ICI or Civil construction projects.

• Assisting with preparing detailed cost estimates and tenders.
• Scanning, uploading and printing of drawings, specifications and reports.
• Maintain subcontractor and supplier database within the FTP contact site.
• Participation in the negotiation and presentation of proposals with Business Development.
• Obtain subcontractors' proposed scopes of work and review for thoroughness based upon interpretation of specifications.
• Preparing detailed quantity takeoffs, working within Maple's established estimating methods, working from "first principles".
• Working with estimating team to finalize final tender submission.
• Prepare and maintain list of questions and assumptions for ambiguous or missing information within tender documents.
• Assisting in tender deliveries when necessary.
• Sending quotations to client.
• Preparing preliminary work schedules using MS Project.
• Cultivating and maintaining positive relationships with sub-contractors, architects and consultants.
• Suggesting and exploring creative value engineering opportunities.
• Soliciting material prices.
• Identifying construction risks, opportunities and through assessment of site conditions, sub-contractor and labour availability.
• Travel to site inspections as required.
• Assisting Senior Management with identifying bid opportunities and strategies.

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 Suites and or estimating software 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: Mississauga, 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 .