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Intermediate​/Senior Estimator - Water​/Wastewater Construction

Job in Calgary, Alberta, D3J, Canada
Listing for: Maple Reinders
Full Time position
Listed on 2026-06-04
Job specializations:
  • Engineering
    Civil Engineering, Environmental Engineer, Estimator, Water Engineer
  • Construction
    Civil Engineering, Estimator, Water Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 CAD Yearly CAD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Intermediate / Senior Estimator - Water/Wastewater Construction

Intermediate / Senior Estimator – Water/Wastewater Construction

Maple Reinders is currently looking to add an experienced Construction Professional to our Civil Estimating team. The successful candidate will have the opportunity to work on a variety of civil projects across Canada with a focus on Water / Wastewater.

We are a growing organization and are continually winning new work! Whether the opportunities are Plan Spec, Design/Build, or Construction Management, our Estimator will prepare tenders from concept to submission with an emphasis on understanding and evaluating risk.

The successful candidate will have experience with the following:

  • Assuming responsibility for the preparation of detailed and accurate cost estimates and tenders, employing your experience and working with Maple accepted practices and systems.
  • Reviewing drawings and specifications, developing a thorough understanding of the project needs, requirements and risk.
  • Selecting and contacting of sub-contractors and suppliers and obtaining quotations.
  • Preparing and reviewing suppliers and sub-contractors’ scope of work.
  • Preparing quality take-offs, with specific focus on self-performed and self-priced tasks.
  • Closing tenders in consultation with senior managers.
  • Finalizing final tender submission.
  • Assisting with coding of estimates where we are the successful bidder.
  • Review of preliminary work schedules using MS Project.
  • Identifying construction risks, opportunities and thorough assessment of site conditions, Sub-contractor and Labour availability.
  • Liaise, consult, and communicate with Engineers, Architects, Owners, Contractors, and Subcontractors, and provide value engineering and adjustments to cost estimates.
  • Assisting Chief Estimator with reviewing bid opportunities and strategies.
  • Participating, as a member of a proposal team in the development of P3, Design/Build, Design Build Operate, Construction and/or Project Management opportunities, together with Major Projects staff.
  • Participating in the preparation of presentations or proposals with the Major Projects staff.
  • Cultivating and maintaining positive relationships with Sub-contractors, Suppliers and Engineers.
  • Mentoring and coaching junior staff.

Also determining the following:

  • The flow of product through an operating process facility and how proposed contract changes will need to be incorporated
  • How the construction of the facility will need to progress from a practical standpoint including sequencing, tie-ins and staging of the work.
  • We are looking for an Estimator with experience working for a general contractor who currently have:

    • 7+ years experience estimating Water/Wastewater projects or working in a combined role of Project Manager & Estimator in Water / Wastewater.
    • We would also consider applicants with a background as a Project Manager, Superintendent, or trades person with experience in Water / Wastewater construction.
    • Mechanical experience in the food & beverage or chemical industry is also an asset.
    • Process Mechanical experience preferred.
    • Civil (excavation and site piping) experience would be an asset.
    • A University Degree/Technology Diploma in Engineering, Red Seal Certification (mechanical related) or a combination of education and industry experience.
    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…
    Position Requirements
    10+ Years work experience
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