3.6. Lead Separation Engineer

Phoenix Tailings
Burlington, MAPosted 1 April 2026

Job Description

About Phoenix Tailings Phoenix Tailings is a rapidly growing clean mining and metals production startup dedicated to sustainable and economic critical metals production. Our mission is to be the world's first fully clean mining and metals production company, producing the resources needed for the next generation of our economy. Why Phoenix Tailings  At Phoenix, we believe that nothing great is ever accomplished alone or without the passion of people who push and motivate one another. If you are someone who shares our relentless pursuit of a better future, passion for innovation, and are excited about working with some of the top innovators in the world, then this is the place for you. Our Values  ● You are only crazy if you are wrong, it’s ok to be wrong ● Lead with Compassion ● Be Resourceful ● Listen ● Hustle Who We Are Looking For  Phoenix Tailings is looking for a Lead Chemical Process Engineer – Separation with deep expertise in solvent extraction and process development to own the scale-up of rare earth separation systems from bench to pilot to commercial-scale production. This role will be instrumental in building the technical foundation of our separation technologies and will take a leadership role in developing both the process and the team that will bring it to life. You will help define how clean rare earth separations are designed, built, and scaled in the U.S. and directly shape the future of sustainable critical materials.
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