2.2 Senior Chemical Engineer- Radiochemistry

2.2 Senior Chemical Engineer- RadiochemistryBurlington, MAPhoenix Tailings – 2. Critical Metals Extraction /Full Time /On-siteapply for this jobAbout 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 Senior Chemical Engineer with experience designing and scaling chemical processes that involve radioactive or radiologically sensitive materials within mining or metallurgical systems. In this role, you will lead the development of separation and treatment strategies that enable the recovery of valuable metals while ensuring safe handling, isolation, and management of regulated constituents. Your work will be central to Phoenix Tailings’ ability to process complex feedstocks compliantly and at commercial scale.   Key Responsibilities: Lead the design and optimization of chemical separation processes for mining and metallurgical feedstocks containing radioactive constituents  Develop and evaluate flowsheets incorporating solvent extraction, ion exchange, precipitation, or adsorption-based separations  Own mass balance development and process modeling for systems involving trace and regulated elements  Support scale-up from pilot to commercial operations with a focus on safety, robustness, and regulatory alignment  Define process operating envelopes and control strategies to ensure stable and compliant operation  Partner with environmental, health, and safety teams to support radiation control strategies and facility design considerations  Assess feedstock variability and its impact on process performance, waste streams, and downstream handling  Prepare technical documentation, design bases, and risk assessments for internal review and external stakeholders  Qualifications Bachelor’s or Master’s degree in Chemical Engineering or a related discipline  8+ years of experience in chemical process engineering within mining, metals, nuclear-adjacent, or advanced materials industries  Demonstrated experience working with chemical systems involving radioactive or radiologically controlled materials  Strong background in aqueous chemistry, separations, and trace element behavior  Experience with solvent extraction, ion exchange, precipitation, or similar chemical separation technologies  Proven ability to scale complex or highly regulated processes to commercial operation  Familiarity with radiation safety principles, monitoring practices, and compliance-driven process design  Strong technical communication skills and comfort operating in high-accountability environments  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 package  may vary based on experience and qualifications. Pay Range: $120,000- $160,000 total cash compensation plus equity Healthcare: 100% Medical, dental, and vision coverage for employee. Stock Options: Ownership in a fast-growing venture-backed company.  Time Off: Unlimited PTO.  Learning: Learning and development opportunities to grow your skills and career.  At Phoenix Tailings, we have an open culture that...