Apply

2.6. Chemical Development Engineer II Burlington, MAPhoenix Tailings – 2. Critical Metals Extraction /Full Time /On-Site APPLY FOR THIS JOB 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. We are seeking a Junior Chemical Engineer to join our dynamic team and contribute to the design, development, and optimization of innovative critical metals production systems. 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 Development Engineer II to help scale and refine our rare earth element (REE) extraction and metallization technologies. This role is core to accelerating our R&D and deployment of clean, economically viable processes that enable sustainable access to critical materials. As a key member of the technical development team, you’ll have the opportunity to directly shape the future of critical metals infrastructure in the U.S. through deep technical experimentation and innovation. This pay range reflects the expected compensation for this role and may vary based on experience and qualifications. Salary Range: $90,000- $130,000/year Key Responsibilities: Design and execute laboratory-scale experiments across the rare earth extraction and metallization process flowsheet  Build and validate process models including comprehensive mass and energy balances  Optimize chloride leaching, dissolution, and filtration operations to improve efficiency and product quality  Support the development of advanced separation techniques for REE purification and concentration  Develop robust precipitation processes for conversion of rare earth chlorides into high-purity oxides  Contribute to early-stage metallization process R&D for converting oxides into individual rare earth metals  Analyze experimental data and use findings to drive iterative improvements to the process  Specify and evaluate equipment required for pilot and commercial-scale implementation  Document all research procedures, findings, and recommendations with technical precision  Ensure all experiments and development efforts align with EH&S and sustainability standards  Qualifications: B.S. or M.S. in Chemical Engineering, Metallurgical Engineering, Materials Science, or a related discipline  3–6 years of hands-on experience in process development, hydrometallurgy, or chemical processing  Proficiency in designing experiments and interpreting data to solve complex technical challenges  Demonstrated expertise in solid-liquid separation, precipitation, and chemical extraction techniques  Strong foundation in process engineering including mass and energy balance modeling  Experience with laboratory instrumentation and analytical tools (e.g., ICP-OES, XRD, SEM)  Clear, structured technical writing skills for documentation and reporting  Comfortable working in a fast-paced, iterative R&D environment  Familiarity with rare earth chemistry and metallurgical challenges preferred  Experience with process simulation tools (e.g., HSC Chemistry, Aspen Plus) is a plus  We offer a competitive compensation package that is based on expertise. We also offer the following benefits: This pay range reflects best estimate for the total cash compensation which includes salary + discretionary bonus for this role. Total packag ... (truncated, view full listing at source)