Senior Manager, Financial Systems

MP Materials Corp. • Las Vegas, NV

1d

About The Position

MP Materials is seeking a dynamic and technically skilled Senior Manager, Financial Systems to lead the strategic development, optimization, and administration of our financial systems landscape, including, but not limited to, SAP S/4HANA, OneStream, and BlackLine. This role is critical to scaling our financial operations as we expand manufacturing capabilities and global operations.

Reporting to the Director, Accounting Projects, the Senior Manager will serve as the bridge between Finance and IT—owning key systems, managing financial data flows, and driving process automation across accounting, reporting, planning, and analytics functions. The ideal candidate will combine deep financial acumen, system implementation experience, and a passion for solving problems with scalable, technology-driven solutions.

Requirements

• Bachelor’s degree in Accounting, Finance, Information Systems, or related field.
• 7+ years of experience in financial systems management, financial transformation, or accounting systems administration.
• Strong hands-on experience with SAP S/4HANA (FI/CO and related modules) and OneStream (or similar CPM tools such as Hyperion, Tagetik).
• Demonstrated success leading finance system implementations, upgrades, or integrations.
• Excellent analytical, project management, and cross-functional communication skills.

Nice To Haves

• CPA, CMA, or MBA preferred.
• Public company experience in manufacturing, energy, or industrial sectors.
• Experience implementing financial automation tools (e.g., BlackLine, Coupa, FloQast).
• Deep understanding of accounting workflows, month-end close, and consolidation/reporting requirements.
• Familiarity with data warehousing concepts, reporting cubes, and financial master data governance.
• Proactive, hands-on leader with a track record of delivering practical solutions in a fast-paced environment.

Responsibilities

• Lead the administration, enhancement, and governance of financial systems including SAP S/4HANA, OneStream, BlackLine, and other systems and related tools.
• Act as primary liaison between Finance, IT, and external vendors to manage system changes, troubleshoot issues, and implement upgrades.
• Identify and drive automation opportunities in core finance and accounting processes.
• Lead system and process enhancements and support major projects such as ERP implementations, module expansions, and integrations across systems.
• Develop and maintain robust documentation of business processes, configuration decisions, and control procedures.
• Train finance users on systems functionality and best practices; serve as a subject matter expert on data structures and reporting logic.
• Lead master data governance across finance-related domains, establishing policies, workflows, controls, and stewardship to improve data quality and standardization.
• Support external audits, SOX compliance, and internal control testing related to financial systems.
• Monitor and enforce user access, change control, and segregation of duties across systems.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior