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2.3. Sr. Scientist - Extractive Metallurgy

Phoenix Tailings

Phoenix Tailings

Burlington, MA, USA
Posted on Wednesday, May 15, 2024
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 Tailings, 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
Who we are looking for:
We are looking for a Sr. Scientist to play a crucial role in the research and development of the extraction of critical minerals from tailings. Focusing on both the recyclability of chemicals as well as the harvesting of critical resources, this person will be a key scientific leader of the extraction team.

Key Responsibilities:

  • Spearhead the design of sustainable and novel chemistries for to extraction of critical metals sustainability from tailings and other waste materials
  • Conduct rigorous proof of concept studies for novel extraction approaches, serving as the principal investigator.
  • Lead the develop of new products from traditional waste streams
  • Investigate the landscape of metallurgical methods, identifying areas for improvement and proposing innovative research avenues.
  • Lead the development and optimization of hydrometallurgical or solvometalurgical processes for efficient metal extraction, focusing on sustainability and environmental impact reduction.
  • Collaborate closely with stakeholders to drive the successful deployment of cutting-edge technologies into operational processes.
  • Conduct laboratory-scale experiments to evaluate the feasibility and efficiency of proposed methods, ensuring safety and adherence to protocols.
  • Analyze process data meticulously, ensuring safety protocols and regulatory compliance.


  • Ph.D. in Mining and Mineral Engineering, Metallurgical Engineering, Chemical Engineering, Materials Science or a related field.
  • 7+ years of hands on experience in extractive metallurgy, mineral processing, hydrometallurgical process development with rare earth, copper, cobalt, nickel or actinides
  • Strong knowledge of sustainable chemistry design and proficiency in laboratory work.
  • Commitment to safety, environmental stewardship, and regulatory compliance in metallurgical operations.
  • Demonstrated ability to develop innovative solutions to challenging open-ended technical problems and drive a project to completion
  • Ability to analyze data, run statistical analysis, and present findings to both technical and non-technical audiences
  • Enthusiasm to take ownership of some projects and be a team player on others
  • Ability to thrive in a fast-paced, flexible start-up environment

We offer a competitive compensation package that is based on expertise. We also offer the following 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 & 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.
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).