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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Manager, Financial Systems - **Company:** Mp Materials - **Location:** Las Vegas, NV, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Access, Accounting Systems, Information Systems, Data Governance, Data Structures, Data Warehousing, OneStream, SAP FI/CO, Systems Integration, Oracle Hyperion, SAP S/4HANA - **Published:** September 24, 2026 - **Apply:** https://www.juju.com/job/16_95a7c99e3 ## About the Role * 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. Desired Qualities: * 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. ## Description 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 Senior Director, Finance Transformation & Systems, 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. Position 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. ## Related Videos - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [What if your HR software adapted to you, not the other way around?](https://www.wearedevelopers.com/videos/100259-what-if-your-hr-software-adapted-to-you-not-the-other-way-around) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) ## Related Articles - [From developer to manager – what does it take to become an engineering manager?](https://www.wearedevelopers.com/magazine/42-from-developer-to-manager-what-does-it-take-to-become-an-engineering-manager) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Companies to Work For in Berlin: Top 14 Companies in 2023 ](https://www.wearedevelopers.com/magazine/188-best-companies-to-work-for-in-berlin-top-14-companies-in-2023) - [Everything a Developer Needs to Know About MCP with Neo4j](https://www.wearedevelopers.com/magazine/604-everything-a-developer-needs-to-know-about-mcp-with-neo4j) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025)