Phoenix Tailings · 14 hours ago
Senior Production Engineer
Exeter, NH
Full-time
Onsite
Mid, Senior Level
4+ years expPhoenix Tailings is a rapidly-growing clean mining and metals production startup dedicated to sustainable and economic critical metals production. They are seeking a hands-on, experienced Senior Production Engineer to help launch and scale their first 24/7 commercial clean metals production facility in Exeter, NH, focusing on optimizing production systems and mentoring staff.
Advanced MaterialsCleanTechIndustrialManufacturingMiningSustainabilityWaste Management
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
Qualification
Required
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
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.
Company
Phoenix Tailings
Phoenix Tailings is a metals-refining company that transforms mining waste (“tailings”) into usable rare earth and critical metals.
51-200 employees
H1B Sponsorship
Phoenix Tailings has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (3)
2023 (1)
2022 (1)
Funding
Current Stage
Growth StageTotal Funding
$104.24MKey Investors
ARPA-EEnvisioning PartnersMassVentures
2025-12-25Series B
2025-12-04Grant· $1.6M
2025-04-30Series B· $33M
Leadership Team
Nicholas Myers
CEO & Co-Founder
Anthony Balladon
Chief Commercial Officer & Co-Founder
Recent News
2025-12-30
2025-12-29
Company data provided by crunchbase