Principal Engineer, Extractive Metallurgy

The role

This person will serve as the senior technical authority on extractive metallurgy for recycling and refining operations. They will own the metallurgical basis of design for liberating, separating, and refining metals from recycled feedstocks.

What you will do

• Serves as senior technical authority on extractive metallurgy
• Owns the metallurgical basis of design for recycling and refining flowsheets
• Leads evaluation and selection of competing flowsheet options
• Owns the metallurgical basis for intermediate and final product quality specifications
• Directs strategy for mineral processing and mechanical separation of heterogeneous feedstocks
• Guides scale-up from bench through pilot to commercial operation
• Partners with Business Development to define process pathways and pricing
• Advises operations and process engineering teams on recovery, yield, and reliability shortfalls

Required qualifications

• Bachelor's or advanced degree in Metallurgical Engineering, Extractive Metallurgy, Mining Engineering, Mineral Processing, Materials Science, Chemical Engineering, or a related discipline
• 15+ years of experience in extractive metallurgy, mineral processing, or metals process engineering, or equivalent depth of expertise
• Demonstrated ownership of deploying a flowsheet from pilot scale through commercial operation
• Hands-on experience in an operating plant environment such as a smelter, refinery, or concentrator
• Ability to travel to plant sites as required
• Experience with comminution and physical separation of variable, heterogeneous feedstocks

Nice to have

• Deep industrial-scale experience in pyrometallurgy or hydrometallurgy; experience across both preferred

About the company

Redwood Materials is the largest lithium-ion battery recycler in North America. The company recovers, refines, and redeploys critical minerals from end-of-life batteries back into the supply chain.