USA Rare Earth LLC

Materials Engineer

LocationStillwater, OK
Job TypeFull-time

About This Job


Who we are:

We are on a mission to become a leading supplier of critical materials that enable the green energy and technology revolution. Our materials and technologies are required for the electric vehicle, green energy, consumer electronics, and defense industries, and our battery grade lithium and tech metals are needed for chipsets, semiconductors, and 5G.

We have a substantial interest in the Round Top, Heavy Rare Earth, Lithium and Critical Minerals deposit in West Texas. We have also developed the United States’ first rare earth and critical minerals processing facility and we own the only scalable, sintered neo-magnet manufacturing system in the Western Hemisphere. By developing this fully integrated, US-based “mine-to-magnet” critical mineral supply chain, we are poised to become the leading domestic supplier to these industries.


What you can expect:

At USA Rare Earth, we are pioneers and problem solvers, technologists and team players. Together, we:

Build Solutions: If our task was a simple one, it would already be done. We are creative and solution-oriented, and we think outside the box to solve important problems. We know that a range of expertise and technologies is needed for success, and we work across sectors and alongside customers to deliver world-class solutions in sustainable ways.

Deliver Quality: When we do things, we do them well. We believe that top-tier quality leads to industry competitiveness and we hold ourselves to the highest quality standards. We move fast when executing, but safety, quality, and excellence always come first.

Lead responsibly: We have a responsibility to the planet, our consumers, our country, and each other. We put safety at the center of all we do, take accountability for our actions, incorporate sustainable practices in our processes and act with the financial best interest of our investors and consumers in mind.

Win Together: Establishing a rare earth magnet supply chain is a big undertaking – and getting there is a team effort. We communicate openly, work together and challenge each other in pursuit of our goals. With every step we take we learn and get better.


Position Overview:

We are seeking a hands-on, detail-oriented Materials or Process Chemical Engineer to support the development and scale-up of advanced materials used in magnetics manufacturing, particularly high-performance rare earth permanent magnets. The ideal candidate will have expertise in high-temperature processing, solid-state chemistry, and rare earth metallurgy, and will play a key role in optimizing processes such as calcination, sintering, pressing, and annealing to produce high-quality magnetic materials at scale.


Key Responsibilities:

Develop, optimize, and scale high-temperature solid-state processes critical to magnet production, including powder synthesis, calcination, sintering, and post-processing (e.g., annealing).
Support rare earth materials handling, including separation, purification, and alloying of elements such as Nd, Pr, Dy, and Tb for magnet-grade alloys.
Scale lab- and pilot-scale processes to industrial production while maintaining consistency, yield, and magnetic properties.
Apply knowledge of thermodynamics, reaction kinetics, and heat/mass transfer to refine process parameters.
Use Design of Experiment (DOE) methodologies (e.g., Taguchi) to improve material performance and reduce variability.
Work with cross-functional teams in R&D, quality, and production to ensure robust technology transfer and process reliability.
Contribute to continuous improvement initiatives and support root-cause analysis for process deviations or quality issues.


Required Qualifications:

B.S. or M.S. in Chemical or Materials Engineering, with relevant coursework or thesis in materials science, inorganic chemistry, ceramic engineering, or a related field.
Experience in high-temperature processing techniques such as sintering, calcination, pressing, and annealing.
Familiarity with rare earth chemistry, especially as it pertains to magnet materials (e.g., NdFeB, SmCo).
Proven ability to scale laboratory processes to pilot and industrial levels.
Strong grasp of physical chemistry principles, particularly in the context of solid-state reactions and metallurgy.
Skilled in experimental design and statistical analysis for process development and optimization.
Hands-on approach to problem solving and process troubleshooting in a production or pilot setting.


Preferred Qualifications:

Experience with Grain Boundary Diffusion, magnet coatings, or magnetic orientation techniques.
Background in continuous improvement, Lean, or Six Sigma initiatives.
Familiarity with magnetic measurement tools (e.g., Hysteresisgraph, Permeameter, Gaussmeter).
Exposure to automation, sensor integration, or advanced process control in a manufacturing setting.


Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Work Environment:

The work environment will be a mix of a typical office setting, laboratory space, manufacturing floor, and occasional exposure to construction site conditions. Time will be split between hands-on work in a materials laboratory—including high-temperature furnaces, powder handling, and analytical equipment—and collaboration with engineering and operations teams in production areas.

Noise Level:

Exposure will vary and include normal office noise, typical laboratory sounds (e.g., ventilation systems, equipment operation), manufacturing floor noise (e.g., machinery, forklifts), and construction site noise depending on project phase and location.

USA Rare Earth proudly supports Equal Employment Opportunities

USA Rare Earth's policy is to provide equal employment opportunities to all applicants and will provide reasonable accommodations according to applicable federal, state, and/or local laws.

For assistance applying for employment through this site due to disability, please contact Human Resources, hr@usare.com, to discuss reasonable accommodations.

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