8.2. Principal Production Engineer -Burlington

United States·BurlingtonFull Timelead

Manufacturing & ProductionProduction Engineer

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Overview

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

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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 seeking a visionary Principal Production Engineer to take ownership of the scale-up and technical leadership of our pilot production systems. In this strategic role, you will serve as the technical authority on clean metals production systems, lead critical process development efforts, and directly influence how lab-scale innovations are transformed into commercial-scale operations. You will work cross-functionally with R&D, Engineering, and Operations, and have significant influence on the buildout of Phoenix Tailings’ next-generation critical metals infrastructure. Your contributions will directly accelerate our path toward a scalable, fully clean metals production platform.

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

Salary Range: $140,000-$180,000

Lead the design, deployment, and optimization of pilot-scale production processes for rare earth and critical metals

Drive process scale-up strategies from R&D proof-of-concept through full pilot validation and production integration

Serve as the primary technical owner of high-impact production systems, with deep understanding of process inputs, outputs, and constraints

Identify and eliminate bottlenecks in throughput, quality, reliability, and equipment performance

Apply advanced mechanical or chemical engineering principles to optimize process efficiency, safety, and scalability

Translate experimental data into actionable engineering decisions and long-term production solutions

Develop and maintain high-quality technical documentation, including process flow diagrams, equipment specs, and SOPs

Provide technical mentorship to other engineers and foster a culture of excellence in production and process engineering

Partner with leadership to define capital plans, facility upgrades, and infrastructure expansion based on process needs

Ensure strict adherence to safety, quality, and environmental standards as systems scale

Bachelor’s degree in Mechanical Engineering, Chemical Engineering, or a related discipline (Master’s or PhD preferred)

7–10+ years of experience in process engineering, pilot-scale production, or advanced manufacturing

Proven track record leading the scale-up of complex mechanical or chemical processes from benchtop to pilot and beyond

Deep knowledge of production system design, operations, and process optimization in high-complexity environments

Experience with critical metals, high-temperature systems, electrochemical, or chemical processing preferred

Hands-on expertise with industrial equipment, instrumentation, process controls, and safety systems

Exceptional analytical, communication, and leadership skills, with the ability to influence at all levels

Passion for clean technology, sustainable manufacturing, and solving big industrial challenges

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.

At Phoenix Tailings, we have an open culture that values learning, and we are looking to grow the team with enthusiastic individuals who share our vision of sustainable mining.

Phoenix Tailings, Inc. is an Equal Opportunity Employer, and we value diversity at all levels. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex (including gender identity, sexual orientation, and pregnancy), national origin, age, disability or genetic information, or any other applicable protected characteristics, and these characteristics will not be a factor for consideration of any work-related decisions (including but not limited to hiring, firing, compensation, and discipline).