2.2 Senior Chemical Engineer- Radiochemistry

Phoenix Tailings • Burlington, MA

7d • $120,000 - $160,000

About The Position

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.

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.

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.

This pay range reflects the expected compensation for this role and may vary based on experience and qualifications.

Requirements

• 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

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

Benefits

• Healthcare, we care about you and your family: 100% Medical, dental, and vision coverage
• Stock: Ownership in a fast-growing venture-backed company.
• Family Focus: Parental leave and flexibility for families.
• Time Off: Flexible vacation policy to encourage people to get out and see the world.
• Team Fun: Regularly scheduled events, and celebrations.
• Learning: Learning and development Opportunities to grow your skills and career.
• Great team: Working with fun, hard-working, kind people committed to making a difference!
• Flexible culture: We are results-focused. We don’t work at the office every day.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior