Senior Internal Auditor

About the Role

The Senior Internal Auditor supports the execution of MP’s risk-based internal audit plan, including SOX compliance activities, operational audits, advisory projects, and other internal audit initiatives. This role partners with stakeholders across the organization to evaluate risks, assess internal controls, identify process improvements, and promote a strong control environment. The Senior Internal Auditor collaborates with management, external auditors, and cross-functional teams to provide practical recommendations that enhance operational effectiveness, strengthen controls, and support MP’s strategic objectives.

Responsibilities

• Perform operational and SOX audits in accordance with professional standards, including planning, risk assessment, control evaluation, testing, issue identification, action plan development, and reporting.
• Evaluate business processes and internal controls to identify risks, inefficiencies, control gaps, and opportunities for improvement.
• Utilize data analytics and audit technology to identify trends, anomalies, exceptions, and potential risk indicators.
• Identify, document, and communicate audit observations and practical recommendations to management.
• Monitor remediation efforts and track management action plans through completion.
• Work closely with external auditors to support the annual SOX compliance process and promote audit efficiencies.
• Participate in reviews of new systems, business processes, and organizational initiatives to evaluate risks and control implications.
• Build effective relationships across the organization and collaborate with stakeholders to drive timely completion of audit objectives.
• Assist in the preparation of audit reports, presentations, and other materials for senior management and the Audit Committee.
• Perform special projects, investigations, and other internal audit-related responsibilities as requested.

Qualifications

• Bachelor’s degree in Accounting or related field.
• 3-5 years of relevant experience in internal audit, external audit, risk advisory, or a related discipline.
• Experience with SOX compliance, internal controls, and operational auditing.
• Strong communication, analytical, and problem-solving skills.
• Proficiency in Microsoft Excel, including data analysis using PivotTables, lookup functions, and other analytical tools.
• Ability to manage multiple priorities, work independently, and collaborate effectively in a fast-paced environment.
• Ability to build effective working relationships with stakeholders at all levels of the organization.
• Willingness to travel periodically to company locations, as needed.

Desired Qualifications

• Experience in a Big 4 or other large public accounting firm or within the Internal Audit function of a publicly traded company.
• Experience auditing manufacturing, inventory, procurement, supply chain, cost accounting, or capital project processes.
• Experience with data analytics and visualization tools such as Power BI, SQL, or similar technologies.
• Experience utilizing SAP and/or AuditBoard.
• Excellent written and verbal communication skills, with the ability to present complex information and audit-related topics to non-technical audiences.
• CIA, CPA, or other related professional certifications.

MP Materials is 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 individuals, and veterans are encouraged to apply. Reasonable accommodations will be provided for qualified individuals with disabilities.