8.2. Principal Production Engineer -Burlington

Team: 8. Burlington Pilot Production

Location: Burlington, MA

Commitment: Full Time

Workplace Type: onsite

Key Responsibilities:

• 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

Qualifications:

• 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

We offer a competitive compensation package that is based on expertise. We also offer the following 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.