9.1. Principal R&D Scientist

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—unlocking the materials required for aerospace, defense, and advanced manufacturing while eliminating waste and emissions from mining. Why Phoenix Tailings At Phoenix, we believe nothing great is ever accomplished alone—or without the passion of people who push and motivate one another. You’ll be joining a team building the foundational infrastructure for the modern world, developing entirely new ways to produce rare earth and critical metals domestically, cleanly, and at scale. 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 Production Engineering Manager to run and continuously evolve our pilot production facility in Burlington. This role is responsible for translating R&D breakthroughs into repeatable, operable, and scalable pilot processes, spanning metallization, rare earth separation, and integrated unit operations. This is a hands-on leadership role for someone who thrives in R&D-to-production environments, where processes are still being invented, data is imperfect, and speed matters.