Senior Manager, Estimating

We are IAMGOLD. Innovative, Accountable Mining.

IAMGOLD is a Canadian-based gold mining company with operations and development projects across North America and West Africa. With flagship operations like the Côté Gold Mine in Ontario, one of Canada’s largest and most technologically advanced gold mines, we’re not just mining gold; we’re redefining what mining means for the future.

At IAMGOLD, we believe that when we engage, empower, and support each other, we create extraordinary outcomes—delivering value for our people, partners, and stakeholders while building stronger, more resilient communities.
Recognized as one of the 2025 GTA Top Employers, we offer an environment designed for growth, world-class rewards, cutting-edge development programs, and a culture that values fresh ideas and collaboration.

Our results speak for themselves\: ranked 13th on the 2025 TSX30, we’ve proven that performance and purpose go hand in hand. Here, you’ll work on projects that matter, leveraging technology, sustainability, and creativity to deliver impact for our teams, communities, and the planet.

Innovation drives us. Sustainability anchors us. Accountability shapes us.

Want to Learn More About IAMGOLD?

• Check out the IAMGOLD Blog
• Read about our Sustainability Approach
  

About the role\:

IAMGOLD is seeking an experienced and strategic Senior Manager, Estimating to serve as the Company's technical authority on capital cost estimating and support informed investment decisions across our portfolio of growth and sustaining capital projects. This role will lead the development of capital cost estimates for major mining projects and establish the standards, methodologies, and governance processes that drive consistency, accuracy, and reliability across the organization.

Working closely with project, engineering, construction, procurement, finance, and operations teams, the Senior Manager will oversee estimating activities from early-stage concept development through feasibility studies and execution planning. The role will provide expert guidance on estimating best practices, ensure alignment with IAMGOLD's capital project framework, and support decision-making through robust cost analysis and forecasting.

Responsibilities\:

In this role, you will provide leadership in the development and delivery of capital cost estimates for major growth and sustaining capital projects, supporting initiatives from early concept development through feasibility studies and execution. You will establish and maintain estimating standards, procedures, methodologies, and governance frameworks while ensuring all estimates are supported by robust documentation and aligned with organizational requirements. You will also manage the corporate estimating database, historical cost information, benchmarking data, and productivity metrics to improve estimate accuracy, forecasting, and overall project performance.

As a key contributor to project success, you will perform estimate assurance activities including risk analysis, contingency development, escalation forecasting, and independent reviews of consultant, contractor, and vendor estimates. Working collaboratively with project controls, engineering, procurement, construction, finance, and operations teams, you will provide expert estimating guidance and support informed decision-making throughout the project lifecycle. You will communicate estimates and recommendations to senior leaders and investment committees, while managing external estimating resources to ensure high-quality deliverables and alignment with corporate standards.