Senior Production Engineer -Burlington

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 share 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

Senior Production Engineer
Phoenix Tailings is seeking an experienced

Senior Production Engineer

to join our team at our

Burlington, MA

pilot facility. In this highly impactful role, you’ll lead the charge in scaling next-generation clean metal refining processes from R&D to production. Working at the heart of our 24/7 operations, you’ll own critical equipment, guide early-stage process validation, and drive key improvements to make our pilot plant more robust, efficient, and scalable. This role is ideal for a hands-on engineer who thrives in a fast-moving, startup environment and is passionate about building the sustainable industrial base of the future.

Salary Range: $120,000-$160,000

Key Responsibilities

Lead the operation and optimization of pilot-scale production systems for rare earth and critical metal refining

Own critical equipment and systems, ensuring they are operating reliably, safely, and to target specifications

Analyze operational data to drive performance improvements in yield, throughput, efficiency, and uptime

Troubleshoot and resolve mechanical or chemical process issues in real time

Collaborate with R&D and Process Engineering to validate and scale new metallurgical processes

Guide experimental production campaigns and translate findings into process improvements

Author and maintain SOPs, process documentation, and operating guidelines for pilot operations

Contribute to the design and build-out of new production infrastructure as processes mature

Uphold rigorous safety and environmental standards, proactively identifying and mitigating risks

Qualifications

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

4–7+ years of experience in pilot plant, advanced manufacturing, or production-scale R&D

Demonstrated success operating and scaling complex chemical or mechanical systems in a hands‑on role

Experience working in 24/7 or shift-based operations and leading initiatives in production environments

Proficiency in collecting and analyzing production and process data to drive results

Strong mechanical aptitude and comfort working with industrial equipment, instrumentation, and controls

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

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).

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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