Senior Mineral Processing Engineer

Location: Sudbury, Ontario, Canada (On-Site)
Position Type: Full-Time, Permanent
Salary Range: $128,000 - $160,000

Lead Base Metal Processing Excellence. Build Client Relationships. Support Operational Success

XPS is seeking an experienced Senior Mineral Processing Engineer to join the Mineral Processing Group in Sudbury, Ontario. This role is focused on providing technical leadership and consulting support to clients operating base metal sulphide concentrators, with a particular emphasis on flotation circuits, concentrator operations, process optimization, troubleshooting, and project development.

The successful candidate will bring practical experience in the processing of nickel, copper, zinc and other polymetallic sulphide ores, supporting clients through all stages of project development and operations. This position is ideally suited to an engineer with a strong background in operating plants, engineering consulting, or both, who enjoys solving real-world processing challenges and building long-term client relationships.

Working within a multidisciplinary team, this role supports projects ranging from metallurgical test work and pilot plant programs through scoping, pre-feasibility and feasibility studies, plant optimization, debottlenecking, and operational support for active mining operations.

About XPS

XPS is a leading metallurgical consulting business that combines technical excellence, operational experience, and commercial insight to help clients solve complex challenges across the mining and metals industry.

What You'll Do

As Senior Mineral Processing Engineer,



you will provide technical expertise while supporting the growth and success of our consulting business.

Technical Leadership

- Provide metallurgical expertise for all aspects of mineral processing projects and studies to support client efficiency, growth, and value creation.
- Develop and evaluate mineral processing flowsheets for new projects and plant expansions.
- Apply extensive practical knowledge of crushing, grinding, flotation, thickening, filtration, and concentrate handling systems for base metal sulphide concentrators, including nickel, copper, and zinc operations.
- Utilize metallurgical data, plant operating information, and test work results to identify opportunities for process improvement, recovery enhancement, and throughput optimization.
- Develop process design criteria and technical recommendations for mineral processing facilities.
- Perform techno-economic analyses to support project evaluation and enhance project economics.
- Evaluate and improve existing concentrator performance through data analysis, metallurgical accounting, circuit auditing, and operational troubleshooting.

Project Delivery and Consulting

- Manage and participate in scoping studies, pre-feasibility studies, feasibility studies, and due diligence audits as part of multidisciplinary project teams.
- Prepare technical proposals and cost estimates for consulting assignments.




- Prepare interim and final technical reports for clients and internal stakeholders.
- Manage project budgets and provide billing information for invoicing purposes.
- Ensure projects are delivered in accordance with established technical, commercial, and safety requirements.

Pilot Plant & Testwork Programs

- Plan, coordinate, and execute pilot plant programs, including risk assessments, technical protocols, sample planning, and technical training.
- Interpret laboratory and pilot plant test results and provide recommendations to clients.
- Assist clients in the development and execution of metallurgical testwork programs.

Operational Support

- Provide technical support to operating base metal concentrators and project sites.
- Lead flotation optimization, recovery improvement, and concentrator troubleshooting initiatives.
- Work directly with site personnel to identify and resolve operational challenges impacting production, recovery, concentrate quality, and operating costs.
- Develop practical recommendations that can be implemented safely and effectively within operating environments.

Business Development & Mentorship

- Identify and develop new business opportunities and support the growth of the Mineral Processing Group.
- Promote XPS expertise within the mineral processing sector through client engagement and industry participation.
- Share technical expertise and mentor team members to support career development and knowledge growth.
- Develop innovative solutions while demonstrating an entrepreneurial mindset.

What We're Looking For

Education & Experience

📌 Senior Mineral Processing Engineer (Northeastern Ontario)
🏢 XPS Materials Group
📍 Northeastern Ontario