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Phoenixtailings4d ago
From $70,000/yr

2.6. Chemical Development Engineer I

United StatesUnited States·BurlingtonFull Timemid
OtherDevelopment Engineer
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Quick Summary

Requirements Summary

$70,000/year- $100,

Technical Tools
OtherDevelopment Engineer
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 Junior Chemical Engineer to join our dynamic team and contribute to the design, development, and optimization of innovative critical metals production systems.
 
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 Development Engineer I with a strong technical foundation and a desire to apply their knowledge to solving real-world process challenges in critical metals recovery. In this role, you’ll support the design, execution, and analysis of rare earth element processing technologies and contribute to building out the technical infrastructure that enables the future of clean manufacturing. This position is ideal for someone with early-career experience or a strong academic background in chemical process engineering, including working with mass and energy balances, PFDs, and P&IDs. 
 
This pay range reflects the expected compensation for this role and may vary based on experience and qualifications.
 
Salary Range: $70,000/year- $100,000/year
  • Design and execute laboratory-scale experiments across the rare earth extraction and metallization process flowsheet 
  • Build and validate process models including comprehensive mass and energy balances 
  • Optimize chloride leaching, dissolution, and filtration operations to improve efficiency and product quality 
  • Support the development of advanced separation techniques for REE purification and concentration 
  • Develop robust precipitation processes for conversion of rare earth chlorides into high-purity oxides 
  • Contribute to early-stage metallization process R&D for converting oxides into individual rare earth metals 
  • Analyze experimental data and use findings to drive iterative improvements to the process 
  • Specify and evaluate equipment required for pilot and commercial-scale implementation 
  • Document all research procedures, findings, and recommendations with technical precision 
  • Ensure all experiments and development efforts align with EH&S and sustainability standards 
  • B.S. in Chemical Engineering, Metallurgical Engineering, Materials Science, or a related field 
  • 1–3 years of experience in chemical or metallurgical process development (internships and co-op experience welcome) 
  • Familiarity with mass and energy balances, process modeling, and basic process calculations 
  • Experience interpreting or developing PFDs and P&IDs 
  • Hands-on experience with laboratory or pilot-scale chemical equipment 
  • Comfortable using tools for data analysis and reporting (Excel, Python, or similar) 
  • Solid communication skills and ability to clearly document technical work 
  • Familiarity with rare earth chemistry or hydrometallurgy is a plus 
  • Driven by curiosity, mission, and a desire to help solve one of the most important resource challenges of our time 
  • 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. 

    • Location & Eligibility

    Where is the job
    Burlington, United States
    On-site at the office
    Who can apply
    US

    Listing Details

    Posted
    April 30, 2026
    First seen
    April 30, 2026
    Last seen
    May 5, 2026

    Posting Health

    Days active
    4
    Repost count
    0
    Trust Level
    64%
    Scored at
    May 5, 2026

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