Senior Director, Assistant Corporate Controller

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 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. The focus is 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. Position Responsibilities 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, working 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 and 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 procure-to-pay processes. 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 Accounting Officer, and other senior leaders to support strategic initiatives and provide financial insights and analysis. Ensure adherence to applicable federal, state, and local regulations. As needed, assist with acquisition accounting and actively support the integration of newly acquired subsidiaries. Recommend and ensure maintenance of appropriate internal controls and financial procedures in compliance with SOX. Ensure timely and accurate completion of Company reconciliations, filings and reporting requirements. Plan, direct, and execute various accounting projects, including those regarding Company growth initiatives that require accounting support. Other duties as assigned. Basic Qualifications Bachelor’s degree in Accounting, Finance, or a related field. Active CPA license is required. Expert understanding of U.S. GAAP and maintaining a strong internal control SOX environment; solid understanding of SEC external financial reporting. Minimum of 12 years of progressive experience in accounting, with at least 5 years in a leadership role within a public company and at least 3 years with a Big 4 accounting firm. Exceptional analytical, problem‑solving, and decision‑making skills. Highly driven and self‑motivated, with strong leadership, presentation, and communication skills. Experience coordinating with external auditors. Ability to coordinate projects from inception to completion, incorporating feedback from multiple sources and stakeholders. Ability to multi‑task, prioritize competing projects, and manage requests/assignments in a timely manner. Experience with ERP systems (preferably SAP S/4HANA) and financial reporting tools such as OneStream, Hyperion. High proficiency in Microsoft Office Suite is required. Desired Qualities Ability to adapt to a fast‑paced and dynamic work environment. Proactive and results‑driven, with a continuous improvement mindset. Excellent leadership, people management, communication and influencing skills. Experience in training, developing and mentoring staff. Ability to work in a team environment, communicate articulately and professionally across many organizational levels, and build rapport with stakeholders. Ability to analyze complex problems, interpret operational needs, and implement solutions. Strong interest in staying informed of new and emerging accounting standards. Proven ability to drive results and accountability of business needs. Demonstrates decisiveness in resolving business problems, making decisions, and identifying priorities. Experience in manufacturing industry preferred. Experience with international accounting preferred. Equal Opportunity Statement MP Materials is proud to be an Equal Opportunity / Affidavit. 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. 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. #J-18808-Ljbffr MP Materials