# 2.1. Senior Process Engineer – Hydrometallurgist at Phoenix Tailings

- Company: Phoenix Tailings
- What the company does: Phoenix Tailings leads rare earth refining in the U.S. to secure the metals our economy and defense need to thrive. Backed by Techstars.
- Company website: https://phoenixtailings.com
- Type: Startups
- Level: Senior
- Location: Burlington, MA
- Work setup: On-site
- Pay: $120K to $160K base salary per year (USD)
- Posted: 2026-07-22
- Apply by: 2026-10-08
- Apply: https://jobs.lever.co/PhoenixTailings/f83d30fa-2724-4b24-b14f-c653094e8212
- Page: https://www.1752.vc/careers/jobs/phoenix-tailings-2-1-senior-process-engineer-hydrometallurgist/

## About the role

At Phoenix, we’re building more than technology—we’re building the future supply chain for critical and rare earth metals. This work matters. It demands urgency, rigor, and creativity. You’ll join a team that values ownership, technical excellence, and the courage to challenge legacy approaches to mining and metals production.

## What they're looking for

- Bachelor’s, Master’s, or PhD in Chemical Engineering, Metallurgical Engineering, Materials Science, Chemistry, or a related technical discipline
- 5+ years of experience in hydrometallurgy, wet chemistry, chemical process development, mineral processing, metals refining, or related chemically intensive systems
- Strong hands-on experience with hydrometallurgical unit operations, including leaching, precipitation, filtration, solid-liquid separation, solvent extraction, purification, and crystallization
- Demonstrated experience translating laboratory or bench-scale data into pilot-scale or commercial process development decisions
- Strong understanding of aqueous chemistry, solution speciation, acid-base chemistry, impurity control, reagent behavior, and process optimization
- Experience developing mass balances, process flow diagrams, experimental plans, technical reports, and operating procedures

Tags: Critical Metals Extraction