Cost Accountant

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.

The Cost Accountant supports the inventory and costing team in all areas of accounting for manufactured inventory, including performing related internal controls. This includes performing the Company’s direct and indirect cost absorption processes, recording inventory‑related journal entries, reconciling inventory account balances, and working with the costing team to ensure that all inventory is valued and stated correctly in accordance with the Company’s policies and procedures and U.S. GAAP.

• Assist in maintaining accurate cost standards for materials and labor.
• Review production reports and verify data accuracy within SAP.
• Prepare and analyze cost of goods sold (COGS) and production reports.
• Reconcile inventory accounts and assist with month‑end close activities.
• Monitor and research cost variances, including purchase price variances (PPV).
• Prepare journal entries related to cost accounting.
• Support quarterly and annual cost reviews and annual updates to standard rates.
• Collaborate with operations and IT to improve cost reporting processes.
• Assist with implementation of costing functionality for new products or departments.
• Other duties as assigned.

• Bachelor’s degree in accounting or business administration required.
• 2+ years of accounting experience in industry, audit, or a combination of both; costing and/or manufacturing experience preferred.
• Strong attention to detail and analytical skills.
• CPA preferred.
• Experience with ERP systems (SAP preferred).

Entry level

Full‑time

Accounting / Auditing and Finance

Manufacturing

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.

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.

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 702‑844‑6111; dial 7 when prompted for HR; 1700 South Pavilion Center Dr. 8th Floor, Las Vegas, NV 89135 to discuss reasonable accommodation.

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