2.2 Senior Chemical Engineer- Radiochemistry
Phoenix Tailings
Other Engineering
Burlington, MA, USA
USD 120k-160k / year + Equity
Posted on Feb 5, 2026
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 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:
- 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.
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
At Phoenix Tailings, we have an open culture that values learning, and we are looking to grow the team with enthusiastic individuals who share our vision of sustainable mining.
Phoenix Tailings, Inc. is an Equal Opportunity Employer, and we value diversity at all levels. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex (including gender identity, sexual orientation, and pregnancy), national origin, age, disability or genetic information, or any other applicable protected characteristics, and these characteristics will not be a factor for consideration of any work-related decisions (including but not limited to hiring, firing, compensation, and discipline).
