Senior Estimator

Senior Estimator – Calgary, AB – Full Time – # 6895

We are seeking a Senior Estimator – Power Generation, Energy, Mining, Nuclear, and Infrastructure to support our growing team in Calgary, AB. In this role, you’ll play a key part in driving project excellence, collaborating with industry leaders, and ensuring high-quality outcomes across complex initiatives.

Join PTAG, a leading Project Management Advisory & Services firm recognized across North America for helping world-class clients deliver major capital projects successfully.

The Senior Estimator is responsible for leading the preparation, coordination, and delivery of high-quality cost estimates for major capital projects across PTAG’s portfolio. Reporting to the Director, Project Services, this role plays a key part in supporting project planning, execution, and control by providing accurate, timely, and data-driven cost estimates.

The Senior Estimator works closely with all interfaces including engineering, procurement, and construction teams to ensure that project estimates reflect current market conditions, sound methodologies, and organizational standards. The ideal candidate is detail-oriented, technically strong, and a proactive collaborator who can support multiple projects while mentoring junior estimators.

At PTAG, we help our clients plan, manage, and execute their most challenging projects with innovation, integrity, and collaboration.

Our mission is to help our clients achieve successful delivery and efficient operation of their capital projects.

Our vision is to support global leaders in the selection, planning, and execution of their major initiatives.

• Safety:
  The safety of our employees, suppliers, and clients is always the top priority.
• Collaboration:
  
  We build true partnerships with clients and service providers.
• Leadership:
  We elevate project performance through the application of best practices.
• Accountability:
  We take responsibility for every aspect of our engagements.
• Client Satisfaction:
  We strive for 100% satisfaction on every project.
• Integrity:
  We believe in open and transparent communication at all levels.

In this role, you will:

• Lead Estimate Development:
  Develop, coordinate, and deliver comprehensive cost estimates for all project phases — from conceptual and feasibility studies through detailed engineering, procurement, and construction (EPC) execution.
• Estimate Review & Validation:
  Perform detailed quantity take-offs, vendor pricing reviews, and subcontractor evaluations to ensure accuracy and completeness of estimates. Validate cost assumptions and methodologies using current data, historical benchmarks, and lessons learned.
• Support Project Planning & Decision-Making:
  Work with project managers and engineers to develop cost models, evaluate design alternatives, and identify cost-saving opportunities. Contribute to cost-risk assessments and contingency planning.
• Mentorship & Team Development:
  Provide technical guidance and day-to-day support to junior estimators. Review and coach team members’ estimates to ensure compliance with PTAG’s standards and accuracy expectations.
• Estimate Standards & Best Practices:
  Apply and uphold PTAG’s estimating standards, templates, and procedures. Recommend improvements to enhance estimating quality and consistency across projects.
• Benchmarking & Data Management:
  Leverage internal cost data and industry benchmarks to validate estimates and improve forecasting accuracy. Contribute to the maintenance and development of PTAG’s cost database and historical records.
• Collaboration & Change Management:
  Work closely with engineering, procurement, and construction teams to evaluate design modifications, change orders, and value engineering options. Ensure all estimate updates and revisions are well documented and justified.
• Tools & Systems Proficiency:
  Use and maintain estimating software tools such as Cleopatra, Eco Sys, or equivalent systems. Support integration with project management and cost control tools to improve workflow and data transparency.
• Continuous Improvement:
  Participate in initiatives to improve estimating methodologies,…