Senior Production Engineer — Scale Clean Metal Refining Ops

Phoenixtailings; Exeter (NH); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Healthcare

Stock options

Unlimited PTO

Learning & development

Team culture

Job summary

Phoenix Tailings, Exeters NH, seeks a Senior Production Engineer to scale our first commercial rare earth metal production facility. You will work on floor with operators, engineers, and leadership to translate breakthrough innovation into industrial reality—producing rare earth and critical metals for the modern world.

You will lead maintenance, process optimization, and SOP development while ensuring safety and reliability on a rotating shift.

Qualifications

• 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 production floor environment and supporting rotating shift teams as needed.
• Able to lift up to 50 lbs.
• Able to wear a respirator for extended periods of time.

Responsibilities

• 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

Skills

Mechanical aptitude

Data analysis

Industrial production

Team leadership

Education

B.S. in Mechanical Engineering

B.S. in Chemical Engineering

M.S. in Materials Science

Job description

Phoenix Tailings, Exeters NH, seeks a Senior Production Engineer to scale our first commercial rare earth metal production facility. You will work on floor with operators, engineers, and leadership to translate breakthrough innovation into industrial reality—producing rare earth and critical metals for the modern world.

You will lead maintenance, process optimization, and SOP development while ensuring safety and reliability on a rotating shift.