Waterton is a private mining firm focused on the acquisition, development, and operation of mining assets globally. Waterton actively manages its portfolio through a hands‑on technical approach, supporting both operating mines and development projects with direct involvement in engineering, operational improvement, and project execution. The company currently supports an operating base metal concentrator and a large‑scale gold heap leach development project in the United States. Waterton’s technical team works closely with site operations, engineering consultants, and corporate stakeholders to optimize asset performance and advance projects through engineering, construction, and eventual operations.

About the Role
The Mineral Processing Manager will support the corporate technical team in providing metallurgical and processing support across Waterton’s operating and development assets. Based in Toronto, this role will work closely with the Director of Metallurgy & Process Development to support operational performance improvement, engineering review, and metallurgical analysis activities.

The position will focus on:

Operational metallurgical support for an operating Cu/Mo flotation concentrator

Metallurgical and engineering support for a large-scale gold heap leach development project

Day‑to‑day technical support for corporate metallurgical initiatives

Cross‑disciplinary collaboration with geology, mining, engineering, permitting and finance teams

The role provides exposure to both operational improvement in an active processing plant and engineering and procurement workflows for a major development project, with future involvement in project commissioning and operating activities.

Responsibilities
Operational Metallurgical Support





Provide metallurgical and analytical support to improve plant performance and stability at an operating flotation concentrator.

Analyze plant performance data including recovery, grade, throughput, and operating stability

Support debottlenecking and process optimization studies

Maintain performance tracking tools and KPIs

Evaluate circuit performance including grinding, flotation, thickening, and concentrate handling

Support reagent strategy evaluation and metallurgical testwork interpretation

Participate in site visits and technical plant reviews

Assist in troubleshooting metallurgical and process related operational issues

Prepare technical reports and recommendations to support operational improvement initiatives

Development Project Metallurgical Support

Support the metallurgical and process scope of a gold heap leach project during engineering and procurement.

Review process flow diagrams (PFDs), P&IDs;, equipment specifications, and vendor packages

Support metallurgical aspects of circuit design

Assist with process design validation and metallurgical testwork interpretation

Support evaluation of equipment sizing and design criteria

Participate in technical discussions with engineering consultants and vendors

Assist with identification and mitigation of metallurgical and process risks





Future development opportunities include participation in commissioning planning and operational readiness activities as the project advances.

Corporate Metallurgical Support

Provide day‑to‑day technical support to the corporate metallurgy and processing function.

Preparation of technical memoranda and metallurgical summaries

Support technical due diligence and internal project evaluations

Assist with coordination and review of metallurgical testwork programs

Support preparation and organization of technical data packages

Maintain and organize metallurgical datasets and process performance information

Work closely with multiple technical and commercial groups within Waterton. Responsibilities include collaboration with:

Geology – ore characterization and variability

Mining – mine‑to‑mill coordination and feed variability

Engineering – process design reviews and equipment specifications

Permitting / Environmental – process inputs relevant to permitting and water management

Finance / Corporate Development – technical input to asset evaluations

Qualifications

Bachelor’s degree in Metallurgical, Mineral Processing, or Chemical Engineering

6–10+ years of experience in mineral processing or metallurgical operations

Experience in flotation concentrators and gold heap leach operations

Robust analytical capability with plant performance data and metallurgical accounting

Familiarity with process plant design reviews and equipment specifications

Ability to work effectively across both operational and project environments

Strong written and verbal communication skills

Willingness to travel periodically to site locations in the United States

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📌 Mineral Processing Manager (Ontario)
🏢 Waterton Global Resource Management
📍 Ontario