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2.1. Principal Process Engineer - Smelting

Phoenix Tailings

Phoenix Tailings

Burlington, MA, USA
Posted on Wednesday, October 4, 2023
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 Principal Process Engineer to lead the design and development of innovative critical metals production systems and scale up existing processes to support our growth.
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

Key Responsibilities:

  • Lead the process engineering team in the design, development, and optimization of cutting-edge rare earth metal smelting systems.
  • Deliver engineering solutions to enhance existing processes, focusing on improving production efficiency, throughput, and overall system integration.
  • Collaborate closely with cross-functional teams to ensure seamless integration of smelting processes with other operational systems, aiming for holistic efficiency and effectiveness.
  • Spearhead the scaling-up of existing processes to meet ambitious production goals, thereby supporting the rapid growth and evolution of the company.
  • Conduct rigorous testing, data analysis, and process evaluations to recommend improvements or modifications to the smelting systems, always aligning with the highest industry standards.
  • Oversee the installation, operation, and maintenance of smelting systems, ensuring compliance with all relevant regulatory requirements and promoting a culture of safety and excellence.
  • Provide technical leadership, mentorship, and professional development guidance to a team of engineers, fostering a collaborative and learning-driven work environment.


  • Bachelor's or Master's degree in Chemical Engineering, Metallurgical Engineering, or a related field.
  • Minimum of 10 years of progressive experience in process engineering within the metal smelting or similar sectors. Experience with rare earth metals is a plus.
  • Proven expertise in designing, optimizing, and scaling up production processes in a high-temperature, complex processing environment.
  • Experience leading and mentoring teams of engineers, promoting a culture of teamwork, innovation, and continuous improvement.
  • Strong analytical skills, with a demonstrated ability to analyze complex data, identify trends, and propose data-driven solutions.
  • Excellent communication and interpersonal skills, capable of effective collaboration with cross-functional teams, stakeholders, and external partners.

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 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.
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).