Senior Director, Assistant Corporate Controller

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Full Time Las Vegas, NV, US

3 days ago Requisition

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.

Reporting to the VP, Corporate Controller, the Senior Director, Assistant Corporate Controller, will be responsible for the general oversight of the accounting functions of the Company. Specific focus and attention will be on the Company’s accounting and control environment related to the General Ledger, Corporate Accounting, Inventory/Cost Accounting, Leases, Revenue, Fixed Assets, and Accounts Receivable functions as well as the tactical execution of these team’s monthly, quarterly and year‑end close responsibilities, including collaborating with the payroll and accounts payable functions.

The position will work directly with the VP, Corporate Controller, to develop and implement policies and procedures, train the accounting team and execute on various accounting projects and initiatives.

This role plays a critical part in ensuring the integrity, accuracy, and timeliness of consolidated financial information of global operations. The ideal candidate will be a proven leader who is solutions‑driven with significant experience leading accounting departments within a large public company environment.

• Lead role in the monthly, quarterly, and year‑end accounting close processes and coordinate the work of various team members to meet defined close timelines.
• Oversee general ledger, corporate accounting, inventory/costing, leases, revenue, fixed assets, and accounts receivable, and work closely and collaboratively with the payroll and accounts payable functions, in support of the close and reporting processes.
• Help champion continuous review and modification of the close processes and accounting procedures to enhance efficiency, accuracy, completeness, and timeliness of deliverables.
• Manage and mentor a team of accounting professionals, providing guidance, training, and development opportunities.
• Support the establishment of department goals, objectives, and performance metrics aligned with company strategy.
• Identify, assess, and mitigate risks that could lead to accounting error or loss of operational effectiveness.
• Own the completeness and accuracy of the consolidated financial information, including ensuring appropriate intercompany eliminations, ensuring compliance with U.S. GAAP.
• Evaluate and implement new accounting systems and technologies to enhance efficiency and accuracy of the accounting process.
• Work to continuously improve processes related to order‑to‑cash, revenue recognition, inventory management, fixed assets, and involvement to improve procure‑to‑pay processes, among others.
• Collaborate with internal and external auditors to facilitate the audit process, ensure timely resolution of audit findings, and support an efficient audit.
• Build and maintain cross‑functional and collaborative relationships with colleagues across Accounting and Finance, Supply Chain, Operational Departments, Legal, and others.
• Work closely with the VP, Corporate Controller, Chief…