Sr Accounting Manager

Description Client stands at the forefront of therapeutics, driving meaningful advancements for patients battling severe and life-threatening rare genetic diseases. Our dedication is unwavering as we target conditions that lack effective therapies, impacting relatively small numbers of patients, many of whom are children. These inherited conditions are often challenging to diagnose, progressively debilitating, and offer few treatment options. At Client, we are passionate about pioneering therapies that are the first or best available, and we invite you to join us in this inspiring mission. Our General and Administrative teams provide the foundation for all company-wide operations, supporting our vision of delivering first- and best-in-class therapeutics to those with rare diseases. Our teams encompass finance, legal, human resources, corporate compliance and ethics, and information technology. By joining us, you will make a meaningful impact on patients' lives. Client Finance is growing and evolving into a cutting-edge global finance organization. With operations in over 40 countries, we navigate significant worldwide accounting and finance complexities. The Company’s ambitious growth plans are supported by an enthusiastic international finance team, all dedicated to delivering a world-class accounting and finance function. Client trades on the NASDAQ under the ticker BMRN and is headquartered in San Rafael, California. This growth presents exciting opportunities for you to be part of our dynamic team. Summary We are seeking a Senior Accounting Manager (Contractor) to support intercompany centralization, transfer pricing execution, and global close activities within a complex, multi-entity environment. This role will play a critical part in advancing intercompany centralization strategy, supporting SAP stabilization, and preparing for increased complexity from acquisition integration and global operations. The position requires strong expertise in SAP (S/4HANA), PaPM, intercompany accounting, and transfer pricing, combined with the ability to lead process improvement and cross-functional initiatives. This individual will operate in both a hands-on execution capacity and a project leadership role, driving improvements while ensuring continuity of close and reporting processes. Primary Responsibilities Intercompany Centralization & Process Ownership Support the design and execution of intercompany centralized operating model Drive end-to-end intercompany process improvements (reconciliation, invoicing, IC AR/AP netting, settlement, TP adjustments) Partner cross-functionally with Accounting, Tax, Treasury, AP, and OTC Reduce fragmentation, manual processes, and inefficiencies Develop and maintain process documentation (SOPs) to support scalability, audit readiness, and knowledge retention Transfer Pricing & PaPM Execution Execute transfer pricing processes, including cross-charges, royalties, and allocations Leverage SAP PaPM for TP calculations, automation, and reporting Partner with Tax to align TP policy and financial execution SAP Stabilization & Process Optimization Support SAP S/4HANA stabilization efforts Drive automation initiatives and improve system alignment Global Close & Consolidation Support Support month-end close activities and intercompany reconciliation Ensure accurate and timely reporting Project Management & Integration Support Lead cross-functional projects and support acquisition integration Develop and track project plans and deliverables Process Improvement & Strategic Initiatives Deliver automation and efficiency improvements Enhance reporting and develop a centralization roadmap Expected Outcomes / Objectives Advance centralization design and governance Deliver process improvements and automation Improve reconciliation and reduce manual effort Strengthen documentation and controls Support centralized ownership of intercompany processes Enable improved settlement and reduce transaction volume Drive the cleanup of IC balances and subledgers Build scalable processes for growth Experience & Qualifications 8 years of Accounting/Finance experience Strong intercompany accounting experience Proven transfer pricing experience SAP (S/4HANA) and PaPM experience required Project management experience Experience in centralization and process improvement Strong understanding of close and consolidation Ability to operate strategically and hands-on Leadership & Collaboration Experience working across Accounting, Tax, Treasury, and Operations Strong stakeholder management skills Ability to influence without authority Prior management experience preferred Education Bachelor’s degree in Accounting, Finance, or related field CPA preferred Key Success Factors Balance execution and transformation Strong ownership mindset Ability to operate in a fast-paced environment Quick ramp-up and immediate impact