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Phoenixtailings2mo ago

4.2. Senior Production Engineer

United StatesExeter · ExeterFull Timesenior
Manufacturing & ProductionProduction Engineer
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Quick Summary

Overview

About Phoenix Tailings Phoenix Tailings is a rapidly-growing clean mining and metals production startup dedicated to sustainable and economic critical metals production.

Technical Tools
Manufacturing & ProductionProduction 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 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
● Listen
● Hustle

Who We Are Looking For: 
Phoenix Tailings is looking for a hands-on, experienced, and mission-driven Senior Production Engineer to help launch and scale our first 24/7 commercial clean metals production facility in Exeter, NH. You'll help to scale our next-generation systems rare earth metal refining processes and enabling safe, consistent, and high-performance operation. You’ll work directly on the floor with operators, engineers, and plant leadership to turn breakthrough innovation into industrial reality — producing the rare earth and critical metals that power the modern world. 
  • Operate and optimize next-generation metal production systems to achieve throughput, yield, and quality targets 
  • Drive root-cause investigations and corrective actions for process deviations or equipment issues 
  • Lead data-driven improvement efforts to reduce downtime, increase throughput, and ensure process reliability 
  • Scale pilot metal recovery processes into full commercial production lines with minimal disruption 
  • Develop and refine SOPs, process documentation, and training materials to enable safe and repeatable operations 
  • Support process commissioning and startup for new systems and upgrades in Exeter 
  • Mentor operators and junior engineers, building operational excellence and a strong safety culture 
  • Serve as the technical point of contact for day-to-day production issues and escalations 
  • Partner with R&D, materials, and chemical engineering teams to integrate upstream and downstream processes 
  • Champion a culture of continuous improvement, safety, and accountability across the facility 
  • B.S. or M.S. in Mechanical Engineering, Chemical Engineering, Materials Science, or related field 
  • 4–7 years of experience in production, process, or manufacturing engineering — ideally in heavy industry or chemical processing 
  • Proven ability to lead hands-on process troubleshooting, improvement initiatives, and equipment optimization 
  • Strong mechanical aptitude with experience operating and improving industrial-scale systems 
  • Proficient in analyzing production data and translating insights into actionable improvements 
  • Comfortable working on a 24/7 production floor environment and supporting rotating shift teams as needed 
  • Able to work independently in fast-paced, ambiguous situations with a strong sense of ownership 

  • 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
    February 3, 2026
    First seen
    March 26, 2026
    Last seen
    April 22, 2026

    Posting Health

    Days active
    27
    Repost count
    0
    Trust Level
    23%
    Scored at
    April 22, 2026

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