Senior Engineer: Powder Processing, Pressing, & Sintering

Company Overview:MP Materials (NYSE: MP) is rebuilding American industrial capability for a new era of autonomy, robotics, and electrification.We are the only U.S. company with a fully integrated rare earth supply chain—from mining and refining to advanced metal and magnet manufacturing. Our products include both the critical materials used to make permanent magnets and the finished magnets themselves—enabling next-generation technologies in robotics, automation, aerospace, transportation, defense, and energy systems. These materials are the foundation of physical AI—the convergence of computation, movement, and control.We hire ambitious, mission-driven people who want to tackle complex challenges and shape the future of strategic industries. Our culture is rooted in teamwork, resiliency, and integrity, with a deep commitment to operational excellence and national purpose. MP is rapidly evolving from a materials producer into a leading U.S. manufacturer—and our people are driving that transformation.Position Overview:MP Materials is seeking a hands-on Senior Engineer with responsibility for Powder Processing, Pressing, & Sintering to join the Magnet Technology group to support development technologies for advanced manufacturing to produce high-performance rare earth permanent magnets. The Senior Engineer will specialize in hands-on experimental magnetics research, which is anticipated to include casting, powder processing, pressing, sintering, recycling, and more. This includes custom setup design, experimental trials, and materials characterization (e.g., SEM, XRD, ICP, and LECO). This position will have responsibility for a broad range of initiatives, including design of materials for optimum performance, to manufacturing process development and optimization, and more. This is a rare opportunity to play a key role in returning an essential manufacturing capability to the USA.Position Responsibilities:Develop and optimize sintering and heat treatment profiles on prototype magnets assist with scaling manufacturing processes to production-scale.Lead and manage development projects, document, and communicate findings, and build team knowledge of current and future magnet research.Supervise technicians and junior engineers to ensure high-quality execution of experimental trials.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 external institutions including university researchers, strategic partners, and government laboratories to add value from new technologies and applied research.Represent MP Materials within the industry by publishing in technical and trade journals and presenting at conferences.Other duties as assigned.Basic Qualifications:Master’s or Ph.D. in Materials Science & Engineering, Metallurgy, Physics, or related field.Experience with metallurgical or ceramic powder processing, heat treatments, and materials characterization methods.Deep understanding of materials, thermodynamics, and kinetics.Agile researcher, adept at identifying untested questions about materials and the interactions between processing, structure, and performance.Excellent written and verbal communication skills.Desired Qualities:10+ years of industry experience in pressing, sintering, and heat treatment of metals and/or ceramics.Experience with manufacturing rare earth materials and permanent magnets.Experience leading technical development projects, with the ability to prioritize and manage multiple concurrent projects.Experience with programming, modeling, and/or machine learning techniques and the ability to apply those skills to advance physical understanding of materials.Lifelong learner able and enthusiastic to apply existing skills and experiences to new problems.MP Materials is Proud to be an Equal Opportunity / Affirmative Action Employer All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law. Underrepresented groups/Women/Disabled/Veterans are encouraged to apply. Candidates whose disabilities make them unable to meet the position’s requirements will still be considered qualified if they can perform the essential functions of the job with reasonable accommodation.Your Right to Work – In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment verification document form upon hire.For Assistance with Application - Alternative methods of applying for employment are available to individuals unable to submit an application through this site because of a disability. Contact Human Resources Department at View phone number on click.appcast.io; dial 7 when prompted for HR; 1700 South Pavilion Center Dr. 8th Floor, Las Vegas, NV 89135 to discuss reasonable accommodation.