Senior Estimator - Water/Wastewater

Skip to main content

• YOUR FUTURE IS WORTH BUILDING

• Build your career with us

• Sustainability at Graham

• Diversity, Equity and Inclusion at Graham

• EXPLORE CAREERS

• Students and New Grads

• Estimators

• Finance and Accounting

• HSEQ Professionals

• Project Management

• US Trades

• View all Jobs

• EXPLORE BY LOCATION

• Canada

• United States

• CANDIDATE LOGIN

• NOTICE REGARDING RECRUITMENT SCAMS & FRAUDULENT JOB OFFERS

Employee Login

• YOUR FUTURE IS WORTH BUILDING

• Build your career with us

• Sustainability at Graham

• Diversity, Equity and Inclusion at Graham

• EXPLORE CAREERS

• Students and New Grads

• Estimators

• Finance and Accounting

• HSEQ Professionals

• Project Management

• US Trades

• View all Jobs

• EXPLORE BY LOCATION

• Canada

• United States

• CANDIDATE LOGIN

• NOTICE REGARDING RECRUITMENT SCAMS & FRAUDULENT JOB OFFERS

Employee Login

Employee Login

• YOUR FUTURE IS WORTH BUILDING

• Build your career with us

• Sustainability at Graham

• Diversity, Equity and Inclusion at Graham

• EXPLORE CAREERS

• Students and New Grads

• Estimators

• Finance and Accounting

• HSEQ Professionals

• Project Management

• View all Jobs

• EXPLORE LOCATIONS

• Canada

• United States

• CANDIDATE LOGIN

• NOTICE REGARDING RECRUITMENT SCAMS & FRAUDULENT JOB OFFERS

Search Jobs

Apply now

Job Description

Senior Estimator - Water/Wastewater

Mississauga, ON Canada

Requisition ID: 30364

Employment Type: Permanent FT (CAN)

Workplace Type: Office

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.

Here, 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.

Your Role in Building What Matters - From Office to Site

• 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

The Right Tools for the Job

• 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

#LI-OFFICE #Senior #Water #OntarioJobs

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

At Graham, we're building more than structures, we're building futures. Join a team that delivers excellence from the ground up and makes a lasting impact across Canada.

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 hiring@jardeg.com for accommodation requests.

Unsolicited resumes or candidate profiles will not be accepted and will become the property of Jardeg/Graham.

As Graham's trusted recruitment partner, Jardeg supports the hiring of skilled professionals across Buildings, Industrial, Infrastructure, Water, Development, and Services projects nationwide.

Information at a Glance

Grey Box

Why Graham?

As proud employee-owners, we believe in sharing our success. Your contributions don't just matter - they create our success.

We offer opportunities to work on diverse projects across Canada and the U.S. across our Buildings, Infrastructure, Industrial, and Services divisions.

Enjoy competitive benefits, career mobility, and a culture built on commitment, integrity, and reliability.

• Corporate Site
• Privacy Policy
• View all Jobs

2026 Graham. All rights reserved