Lead water and wastewater estimating at Graham, using advanced software, Excel, and Primavera to develop accurate project costs and scopes.As Senior Estimator, you will report to the Estimating Manager within Graham’s Water Division. The position requires combined field and estimating experience on Water/Wastewater projects, plus transparent communication with internal teams and industry partners. Your work supports wastewater treatment plants, water treatment facilities, processing and control systems, and stormwater infrastructure.Key Responsibilities:
Guide junior estimators and oversee the estimating processPrepare detailed labor, equipment, and overhead cost estimatesIdentify constructability issues, savings strategies,



and competitive advantagesOversee bid closings and verify subcontractor scopes and pricingCreate preliminary schedules and subcontractor scopes for planningRequirements:
Diploma or degree in construction management, engineering, or related field10–12 years of field and estimating experienceWater/Wastewater project experienceAdvanced estimating software, Excel, and Primavera proficiencyGold Seal Certification or LEED/LEAN experience is an assetBring senior estimating leadership, project risk assessment, and scheduling expertise to Graham’s Water/Wastewater Division.
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📌 Senior Water Wastewater Estimator Winnipeg
🏢 Graham Contracting
📍 Winnipeg