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WSP

Plans and designs infrastructure projects

Senior Estimator

Project & Program ManagementUpdated on Nov 12
Full-time$111k - $162.8k

About the Job

Requirements

  • At least 10 years of dedicated project estimating experience on complex industrial, mining, oil and gas, power generation, or comparable capital projects; construction estimating experience is excluded.
  • Ability to develop capital expenditure, operating expenditure, owner-cost, and construction estimates and document assumptions, exclusions, risk factors, and estimating methodology.
  • Advanced Microsoft Excel proficiency and practical experience using Microsoft Office and Outlook.
  • Experience reviewing engineering data, scopes, specifications, change requests, contractor claims, and benchmark information for completeness and cost impact.
  • Ability to manage competing priorities, tight deadlines, ambiguity, and evolving scopes while maintaining accurate, high-quality deliverables.
  • Ability to influence stakeholders, support negotiations, communicate complex cost information clearly, and mentor developing estimators.

Responsibilities

  • Lead development and refinement of estimating models to strengthen cost certainty and informed decision-making across complex projects.
  • Deliver detailed capital expenditure, operating expenditure, owner-cost, and construction estimates supported by clear, auditable bases of estimate.
  • Assess scope changes, contractor claims, delays, risks, and material requirements and provide timely recommendations to protect project outcomes.
  • Collaborate with clients, contractors, engineering teams, and project stakeholders to resolve estimate assumptions, contract changes, and claims.
  • Review designs and specifications, benchmark costs, and recommend practical alternatives that improve cost-effectiveness without compromising quality.
  • Mentor junior estimators and share consistent tools, methods, and professional judgement.

Desired Qualifications

  • Knowledge of ACCE (K-Base) and/or InEight Estimate (Hard Dollar).

About the Company

WSP

Plans and designs infrastructure projects

WSP is an engineering and science consultancy that helps governments and businesses plan, design, and manage infrastructure. Its teams work on transport networks, buildings, water systems, power facilities, and environmental projects, combining engineers with scientists, planners, and technical advisers. Services include feasibility studies, detailed design, environmental assessments, and project management, with specialists supporting assets through construction and operation. Clients pay through contracts priced by staff time, agreed project fees, or a share of project costs. Genivar reorganized as WSP Global in 2014, and the group is headquartered in Montreal, Quebec.

Company size
10,001+
Company stage
IPO
Headquarters
Montreal, Canada
Founded
1959

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