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Phoenixtailings5mo ago
$90,000 – $130,000/yr

3.4. Chemical Process Engineer II -Separation

United StatesBurlingtonFull Timemid
EngineeringOtherProcess EngineerChemical Process Engineer
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Quick Summary

Requirements Summary

$90,000- $130,000/year Set up and operate lab- and pilot-scale solvent extraction systems to test rare earth separation processes Run experiments, collect data,

Technical Tools
EngineeringOtherProcess EngineerChemical Process 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. 

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 Chemical Process Engineer II who is excited to solve some of the most critical challenges in clean metals production. In this role, you’ll focus on supporting the development, optimization, and scale-up of solvent extraction processes for rare earth separation. You will work hands-on in our labs and pilot facilities to push forward the next generation of sustainable materials technology. This is a role for someone who thrives on turning experiments into real-world solutions and wants to grow alongside an ambitious and mission-driven team. 


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

Salary Range: $90,000- $130,000/year
  • Set up and operate lab- and pilot-scale solvent extraction systems to test rare earth separation processes 
  • Run experiments, collect data, and analyze results to evaluate reagent performance and separation efficiency 
  • Contribute to process development through iterative testing, troubleshooting, and optimization 
  • Support development of mass balances, PFDs, and other process documentation 
  • Assist in scaling up bench-scale results to pilot-scale systems and support commissioning activities 
  • Maintain chemical inventory, ensure safe lab practices, and adhere to all safety protocols 
  • Document experimental results clearly and contribute to technical reports and presentations 
  • Work cross-functionally with engineering and operations teams to ensure experimental designs align with scale-up needs 
  • B.S. or M.S. in Chemical Engineering, Metallurgical Engineering, or related field with 2–5 years of relevant industry experience 
  • Hands-on experience with wet chemistry, ideally including solvent extraction or hydrometallurgical systems 
  • Strong data analysis skills and ability to interpret experimental results to drive process improvement 
  • Familiarity with chemical process equipment and lab best practices 
  • Experience preparing PFDs, maintaining lab notebooks, and writing technical documentation 
  • Comfortable working in a fast-paced, evolving environment with a focus on experimentation and learning 
  • Strong communication skills and the ability to work well in a collaborative, interdisciplinary team 
  • 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. 

    • Listing Details

    Posted
    October 31, 2025
    First seen
    March 26, 2026
    Last seen
    April 24, 2026

    Posting Health

    Days active
    29
    Repost count
    0
    Trust Level
    34%
    Scored at
    April 24, 2026

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    3.4. Chemical Process Engineer II -Separation$90k–$130k
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