Senior Estimator - Water​/Wastewater

Build What Matters

At Graham, one of North America’s largest general contractors, we don’t just build systems, we deliver essential projects that protect communities and sustain the environment. As part of our Water Division, you’ll contribute to impactful work across the region, including wastewater treatment plants, water treatment facilities, water processing and control systems, and stormwater management infrastructure.

Your work has purpose. Your safety and growth are supported. And your impact is lasting.

Join a team that builds with commitment, reliability, and integrity. Apply today and help us build what matters.

Your Impact Starts Here

Graham is actively recruiting a Senior Estimator for the Water/Wastewater Division. Reporting to the Estimating Manager, this role supports the estimating team by utilizing standardized processes and tools to deliver accurate project scopes, cost estimates, and meet deadlines. The Senior Estimator interprets tender documents and communicates clearly with internal teams and industry partners to ensure successful project outcomes.

Responsibilities

Lead and mentor team – Guide junior estimators and oversee the estimating process.

Prepare accurate estimates – Complete detailed cost estimates, including labor, equipment, and overheads.

Assess risks and opportunities – Identify constructability issues, cost‑saving strategies, and competitive advantages.

Manage bid process – Oversee bid closings and ensure subcontractor scopes and pricing are accurate.

Develop schedules and scopes – Create preliminary construction schedules and subcontractor scopes for planning.

Qualifications

Education:

Diploma or Degree in Construction Management, Engineering, or related field;
Gold Seal Certification and LEED/LEAN experience are assets.

Experience:

10–12 years of combined field and estimating experience in Water/Wastewater projects.

Skills:

Advanced proficiency in estimating software, MS Excel, scheduling tools (Primavera).

Compensation

Salary Range $135,000 to $145,000 per annum.

Compensation aligned to education and experience, ensuring fair and competitive placement.

Three to five weeks of vacation, with additional credit for prior industry experience.

Flexible, comprehensive Health & Dental benefits plan designed to support your well‑being.

Apply Today
Lay the Foundation for Your Next Career Move. Apply Today.

We’re proud to be an Equal Opportunity Employer and are committed to an inclusive, accessible workplace. Accommodations are available throughout the hiring process when requested. Please contact  for accommodation requests.

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