Chemical Engineer I – Hydrometallurgy | Burlington, MA

Job Description

Company: Phoenix Tailings
Location: Burlington, Massachusetts, United States
Category: Mineral Processing and Metallurgy
Job Type: Full-time
Work Arrangement: On-site
Experience Level: Entry-Level
Salary: $70,000.00 – $100,000.00 annually

Job Summary
Phoenix Tailings is seeking a Chemical Engineer I – Hydrometallurgy to support hands-on laboratory and pilot-scale development of next-generation critical metals processes.

This role focuses on hydrometallurgy, wet chemistry, experimental execution, process data generation, early scale-up, and the development of rare earth and critical metals recovery technologies.

Key Responsibilities

• Design, execute, and analyze laboratory-scale experiments for hydrometallurgical processes
• Support leaching, separation, and purification of critical and rare earth metals
• Perform wet chemistry work including solution preparation, pH control, precipitation, filtration, and material handling
• Generate high-quality experimental data to support process development, optimization, and scale-up decisions
• Support equipment sizing and selection for reactors, thickeners, filtration systems, and mixer-settlers
• Assist in translating laboratory and bench-scale results into pilot-scale process concepts and operating parameters
• Support development of process flow diagrams, mass balances, and operating assumptions
• Collaborate with R&D and pilot teams to troubleshoot process challenges and refine operating conditions
• Maintain clear experimental records, technical documentation, and summaries for internal design reviews
• Support clean technology development and domestic critical materials supply chain initiatives

Qualifications

• Bachelor’s or Master’s degree in Chemical Engineering or a related discipline required
• 1-3 years of experience in laboratory-based process engineering, hydrometallurgy, or chemically intensive systems
• Hands-on wet chemistry experience in a laboratory setting
• Knowledge of lab safety practices, aqueous chemistry, acid-base chemistry, filtration, and precipitation
• Understanding of hydrometallurgical unit operations including leaching, solid-liquid separation, solvent extraction, and precipitation
• Ability to execute experiments, interpret results, and apply findings to process development and early scale-up
• Familiarity with laboratory and pilot-scale chemical equipment and operations
• Motivation to support clean technology and domestic critical materials supply chains

Why This Role Matters
This role supports the development and scale-up of cleaner hydrometallurgical processes for critical and rare earth metals, helping advance sustainable domestic production of strategic materials.

Apply
👉 Apply online: https://jobs.lever.co/PhoenixTailings/acecacb8-15ed-4247-90a8-29785d11e28d

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