Job Summary

We are seeking a dynamic and detail-oriented Office Administrator / Estimating Assistant to join our team!

Green Leaf

Contracting is a General Contractor working on Commercial and Residential fit-outs, new builds and accessibility upgrades across Toronto, Durham Region and the GTA. This vital role combines administrative expertise with estimating support, ensuring smooth office operations and accurate project cost assessments. You will be the first point of contact for clients and team members alike, providing exceptional customer service while managing essential clerical tasks. Your organizational skills and proficiency with office software will help drive efficiency and support our company's growth. This paid position offers an exciting opportunity to develop your administrative and estimating skills in a fast-paced, collaborative environment.

Estimating support

- Manage the bid calendar — track opportunities, tender deadlines, addenda, and closing times
- Issue bid invitations to subtrades and suppliers, and chase quotes to close
- Organize and level subcontractor quotes into comparison sheets
- Perform quantity takeoffs from drawings in Bluebeam or PlanSwift




- Assemble and format bid submissions, prequalification packages, and supporting documents
- Maintain the subtrade and supplier database, including WSIB clearance certificates and insurance

Office administration

- Reception, correspondence, filing, and document control
- Track contracts, change orders, purchase orders, and holdback documentation
- Coordinate permits, site paperwork, and project closeout documents
- Order supplies and support the project managers day to day

Join us to be part of a vibrant team where your organizational talents and proactive attitude will make a real difference! We are committed to fostering a supportive workplace that values your contributions while offering opportunities for growth. Pay: $55,000.00-$65,000.00 per year

Perks

- On-site parking

Education:
- AEC / DEP or Skilled Trade Certificate (preferred)

Experience:
- Construction estimating: 1 year (required)
- Administrative: 2 years (required)

Licence/Certification:
- Class G Licence (required)

Work Location: In person

📌 Office Administrator / Estimating Assistant (Pickering)
🏢 Green Leaf Contracting
📍 Pickering