MP Materials · 4 hours ago
Engineer, Electrolysis
MP Materials is rebuilding American industrial capability for a new era of autonomy, robotics, and electrification. They are seeking a hands-on engineer to support the development of advanced technologies for producing high-purity rare earth metal and alloys, focusing on electrometallurgical and pyrometallurgical technologies.
IndustrialMiningSustainability
Responsibilities
Assist in the setup and execution of laboratory and pilot-scale experiments involving high-temperature reaction kinetics, molten salt systems, and reduction pathways
Collaborate cross-functionally with R&D, manufacturing, and quality teams to develop, optimize, and scale rare earth metal and alloy production processes
Operate and maintain electrochemical equipment (e.g. potentiostats, galvanostats) and assist in data collection using techniques such as cyclic voltammetry and impedance spectroscopy
Contribute to the design and fabrication of experimental setups, including furnace reactors and electrolysis cells
Prepare samples and conduct materials characterization using techniques such as XRD, XRF, LECO, and SEM
Apply simulation tools to model the thermodynamics, transport phenomena, and electrochemical behavior in rare earth metal extraction and refining
Work closely with EHS to ensure that all work is done to ensure world-class health and safety, and full compliance with relevant environmental regulations
Engage with university researchers, strategic partners, and government laboratories involved in rare earth reduction research to bring value and knowledge to MP Materials
Document all projects, provide written guidance for model usage, and build team knowledge of current and future rare earth research
Other duties as assigned
Qualification
Required
Ph.D. in Materials Science & Engineering, Metallurgy, Chemical Engineering, Electrochemistry, or related field
Experience with electrochemical instrumentation and techniques
Hands-on experience with furnace systems, electrochemical cells, or metallurgical lab equipment
Familiar with laboratory instrumentation and materials characterization techniques
Strong theoretical and experimental background in electrochemistry, transport phenomena, thermodynamics, and kinetics
Agile researcher, adept at identifying untested questions about materials and processes
Excellent written and verbal communication skills
Preferred
Experience with rare earth metal, alloy, and/or magnet making processes
Experience with simulation tools (e.g. FactSage, CFD, FEA)
Experience with programming, and the ability to apply those skills to automate routine analysis, data management, and process control operations
Lifelong learner able and enthusiastic to apply existing skills and experiences to new problems
Company
MP Materials
MP Materials provides a sustainable, low-cost supply chain of coveted materials that help power the modern economy.
H1B Sponsorship
MP Materials has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (9)
2024 (5)
2023 (2)
2022 (3)
2020 (2)
Funding
Current Stage
Public CompanyTotal Funding
$2.38BKey Investors
JP Morgan ChaseU.S. Department of DefenseHancock Prospecting
2025-08-25Post Ipo Debt· $275M
2025-07-16Post Ipo Equity· $650M
2025-07-10Post Ipo Equity· $400M
Recent News
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2025-12-29
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2025-12-18
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