Environmental Specialist

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.

Under supervision of the EHS Manager, the Environmental Specialist serves as the technical expert for environmental compliance. The Environmental Specialist is responsible for developing strategic compliance plans and objectives to meet current, developing, and future regulatory requirements with a focus on air permitting, emissions monitoring, reporting, and recordkeeping, while supporting continuous improvement in environmental performance across the organization. This position will ensure compliance with applicable federal, state, and local air quality and emissions regulations.

• Oversee and actively update environmental compliance programs in assigned area of responsibility (air, water, or solid waste management).
• Maintain accurate records of emissions data, control equipment performance, and operational logs.
• Prepare and submit required reports such as Emission Inventory (EI), TRI, GHG, and deviation reports.
• Prepare, submit, and maintain all required air permits, including Title V, NSR/PSD, and minor source permits.
• Collect, analyze, and interpret air emissions data from Continuous Emission Monitoring Systems (CEMS), FTIR, stack testing, or other monitoring methods.
• Evaluate air pollution control technologies and recommend operational or engineering changes to reduce emissions.
• Support environmental assessments for new or modified processes and projects (construction, expansion, etc.).
• Assist operations and maintenance teams with ensuring control devices (e.g., scrubbers, filters, oxidizers) operate efficiently.
• Conduct internal air compliance audits and corrective action follow-ups.
• Develop and deliver air compliance training for employees, contractors, and supervisors.
• Track changes in air quality regulations and communicate potential impacts to management.
• Support company sustainability initiatives related to greenhouse gas reduction, energy efficiency, and clean air goals.
• Identify opportunities to reduce environmental impact and improve compliance performance.
• Manage hazardous and chemical waste programs.
• Perform and document environmental, health, and safety audits.
• Execute onsite support services for the entire lifecycle of hazardous materials management programs by performing chemical inventories, segregating chemicals, and shipping hazardous waste off-site.
• Characterize, consolidate, pack, and ship hazardous waste per RCRA and DOT regulations.
• Develop an understanding of OSHA regulations as well as MP Materials Health and Safety Practices.
• Respond to chemical spill emergencies by managing the containment, clean up, and disposal of hazardous materials.
• Keeps all levels of the facility personnel aware of environmental regulations and pending changes. Educates, clarifies, and simplifies environmental regulations, policies, and procedures into understandable and operations terms.
• Effectively maintains high level of knowledge and understanding of environmental regulations, policies, and procedures into understandable operations terms.
• Effectively maintains high level for knowledge and understanding of environmental regulations and how they apply to the facility…