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Senior Process Engineer

Location: Toronto, Calgary, or Vancouver, with travel to Anchorage, the Donlin Gold Project site, and other project locations as required 

Donlin Gold LLC is seeking an experienced Senior Process Engineer to support the design, development, optimization, and implementation of mineral processing systems for one of the world's largest undeveloped gold deposits. This role is critical to advancing the Donlin Gold Project from detailed engineering through construction, commissioning, and operational readiness while ensuring process systems are safe, reliable, efficient, and capable of meeting long-term production objectives. 

Working closely with Engineering, Construction, Procurement, Operations, Project Controls, and the EPCM contractor, the Senior Process Engineer will provide technical expertise in mineral processing, metallurgical performance, process design, and operational optimization. The successful candidate will play an important role in delivering practical and robust solutions that address the unique challenges of a large-scale, remote, cold-climate mining operation. 

What You'll Do

• Support the development, review, and optimization of process flowsheets for crushing, grinding, flotation, pressure oxidation (POX), leaching, tailings, and associated processing systems. 
• Review EPCM engineering deliverables, including Process Flow Diagrams (PFDs), Piping and Instrumentation Diagrams (P&IDs), equipment specifications, data sheets, and engineering calculations. 
• Develop, validate, and maintain mass balances, energy balances, process models, and process design criteria. 
• Evaluate process design alternatives and identify opportunities to improve performance, reliability, operability, constructability, and cost effectiveness. 
• Support equipment selection, equipment sizing, vendor evaluations, and procurement activities. 
• Participate in HAZOP studies, design reviews, risk assessments, and other process safety initiatives. 
• Analyze metallurgical test work and operating data to validate design assumptions and support process optimization initiatives. 
• Identify opportunities to improve metallurgical recovery, throughput, process efficiency, and overall plant performance. 
• Support development of operating philosophies, commissioning plans, process control strategies, and operating procedures. 
• Troubleshoot complex process and metallurgical issues during engineering, construction, commissioning, and startup activities. 
• Coordinate with civil, mechanical, electrical, instrumentation, environmental, construction, and operations teams to ensure process requirements are fully integrated into project execution plans. 
• Support installation, commissioning, startup, and operational readiness activities. 
• Assist with performance testing programs and verification of process system functionality and design performance. 
• Ensure compliance with applicable environmental, health, safety, and company standards. 
• Promote a strong safety culture and contribute to continuous improvement initiatives across the project. 

What You'll Bring

• Bachelor's degree in Chemical Engineering, Metallurgical Engineering, Mineral Processing Engineering, or a related engineering discipline required. 
• Minimum of 7 to 12 years of progressively responsible experience in process engineering, metallurgy, mineral processing, or related engineering roles. 
• Experience supporting mining, mineral processing, industrial, or other large capital projects. 
• Experience working within EPCM environments and multidisciplinary engineering teams preferred. 
• Experience with pressure oxidation (POX), refractory gold processing, or other complex metallurgical operations preferred.
• Professional Engineer (PE) registration or eligibility for registration is preferred. 
• Experience supporting commissioning, startup, and operational readiness activities is considered an asset. 
• Experience working in remote, northern, or cold-climate project environments is preferred. 
• Strong knowledge of mineral processing systems, metallurgical principles, and process engineering practices. 
• Proficiency with process simulation and metallurgical software such as METSIM, HSC, or similar tools. 
• Strong analytical, troubleshooting, and problem-solving abilities. 
• Excellent written and verbal communication skills, including technical report preparation and presentation development. 
• Advanced proficiency with Microsoft Office applications and engineering document management systems. 
• Ability to work effectively in multidisciplinary teams while managing multiple priorities in a dynamic project environment. 
• Must be legally authorized to work in the United States. 

Why Donlin Gold?

The Donlin Gold Project offers the opportunity to contribute to one of the world's largest undeveloped gold deposits while working alongside highly experienced professionals in engineering, construction, procurement, metallurgy, project controls, and project development. 

This position provides exposure to a technically challenging and globally significant mining project, offering opportunities to influence process design, operational performance, commissioning success, and long-term mine development. The successful candidate will play a key role in helping advance a world-class project through engineering, construction, and future operational readiness.

Equal Employment Opportunity

Donlin Gold LLC is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state, or local law. Donlin Gold is committed to hiring and advancing qualified local and shareholder candidates from Calista Corporation and The Kuskokwim Corporation.

Ready to Make an Impact?

If you're passionate about workforce development, community engagement, relationship building, and creating opportunities for Alaska's future workforce, we encourage you to apply and join the Donlin Gold team.