8.3 .Production Engineer II-Burlington

Phoenix Tailings • Burlington, MA

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About The Position

Phoenix Tailings is looking for a hands-on Production Engineer II with a background in Mechanical or Chemical Engineering to join our R&D and Pilot Production team. In this role, you will play a critical part in scaling up the future of clean critical metal production. You’ll work directly on the pilot production floor, helping to optimize early-stage technologies, validate new processes, and drive the transition from lab-scale innovations to scalable industrial systems. Your work will directly impact the development of sustainable pathways for rare earth metals manufacturing—one of the foundational infrastructures of tomorrow’s technology.

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

Requirements

• Bachelor’s degree in Mechanical Engineering, Chemical Engineering, or a closely related field
• 2–4 years of experience in a hands-on production, pilot plant, or R&D manufacturing environment
• Demonstrated ability to operate, troubleshoot, and improve complex mechanical and chemical systems
• Strong data collection and analysis skills to support process development and optimization
• Comfortable working in a dynamic, 24/7 facility with rotating shifts (including occasional nights/weekends)
• Excellent communication skills, self-starting mindset, and ability to thrive in a fast-paced startup environment

Nice To Haves

• Experience with early-stage or pilot-scale industrial equipment is a strong plus

Responsibilities

• Operate, monitor, and improve pilot-scale equipment used in critical metal refining and materials processing
• Execute and support experimental production runs, capturing data to validate and optimize new processes
• Perform mechanical and process troubleshooting on custom-built and commercial equipment
• Track and analyze key process metrics to drive performance improvements in yield, throughput, and stability
• Support equipment setup, calibration, and transitions between R&D and production runs
• Collaborate with R&D, Process Engineering, and Operations to translate process designs into practical pilot workflows
• Maintain accurate production logs and technical documentation to support process knowledge transfer
• Drive implementation of process improvements to enhance safety, scalability, and reproducibility
• Ensure rigorous adherence to safety protocols and foster a proactive safety culture on the floor

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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level