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Senior Cost Accountant

Location Cork, Ireland
BioMarin is the world leader in delivering therapeutics that provide meaningful advances to patients who live with serious and life-threatening rare genetic diseases. We target diseases that lack effective therapies and affect relatively small numbers of patients, many of whom are children. These conditions are often inherited, difficult to diagnose, progressively debilitating and have few, if any, treatment options. BioMarin will continue to focus on advancing therapies that are the first or best of their kind.

By providing a foundation for all operations company wide, BioMarin’s General and Administrative teams support our mission of providing first and best in class therapeutics to patients who live with rare diseases. Our teams include groups such as finance, legal, human resources, corporate compliance and ethics, and information technology. Come join our team and make a meaningful impact on patients’ lives.

SENIOR COST ACCOUNTANT -  Role can be based in Cork or Dublin (Hybrid work)


BioMarin is seeking a highly motivated Senior Cost Accountant to join our Technical Operations (TOPS) Finance team. The Cost Accountant will be part of the Consolidated Reporting team within the TOPS Finance organization. This team has global responsibility for TOPS reporting including inventory costing, excess & obsolescence, SOX compliance, US GAAP audits, intercompany profit elimination and balance sheet reconciliations. The Cost Accountant will be part of a team responsible for global manufacturing and supply chain finance operations for BioMarin’s products throughout multiple stages of production and distribution. 

This position will be a key member of a cross-functional accounting team, collaborating extensively with regional and global finance teams and technical operations teams.


  • Month-end close responsibilities include appropriate treatment of operating overhead, balance sheet reconciliations in accordance with US GAAP and submission of close deliverables.
  • Accounting for manufacturing activity including material purchases, overhead absorption and contract manufacturing costs.
  • Ensure correct accounting for Buy/Sell entities and all intercompany inventory transactions, including calculating and recording Profit in Inventory (PII) eliminations.
  • Develop an understanding of material flow from bulk manufacturing through to fill/finish stage to ensure accuracy of inventory values.
  • Monitor production plans for bulk manufacturing and CMO activity to ensure accurate inventory valuation and completeness of overhead absorption.
  • Conduct data mining and analysis, interpreting and communicating information to relevant stakeholders in a meaningful and actionable way.
  • Evaluate inventory balances for excess and obsolescence and determine need for inventory reserves.
  • Assist with preparation of consolidated financial management reporting for TOPS for balance sheet and P&L inventory areas.
  • Review and maintain cycle counts and initiate action on any discrepancies.  Work closely with CMO, supply chain and manufacturing departments to ensure inventory accuracy at all locations.
  • Maintain internal controls in line with corporate standards, GAAP and Sarbanes Oxley requirements. Work with internal and external auditors as required.
  • Establish relationships with Corporate & Regional Finance teams to ensure all reporting requirements are performed timely and accurately.
  • Represent TOPS Finance in local and global projects and initiatives. Engage in continuous improvement initiatives to drive process efficiencies and participate in transformation projects as required.
  • Collaborate with ERP and global finance teams to identify and introduce process enhancements to improve efficiency.
  • Interact and collaborate effectively within workgroup and area of expertise. Participate effectively on cross-functional teams, offering views and actively solicits ideas from others in seeking sound business solutions. Encourage others in fostering effective teamwork. Demonstrate very strong customer service orientation.


  • ACA/ACCA/CIMA/CPA qualification.


  • Experience in a multi-national organization is required and costing experience highly desirable. 
  • Demonstrate experience in process improvement initiatives and working on own initiative.
  • Knowledge of US GAAP, Sarbanes Oxley and internal control environment desirable.
  • Experience with an integrated ERP system, general ledger functions, sub-ledger processes, and period closing.  Understanding of relationship of other accounting functions to manufacturing accounting.

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity, sexual orientation, national origin, disability status, protected veteran status, or any other characteristic protected by law.

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We treat rare diseases, and that gives us rare opportunities. Chris Brodeur, Director, Corporate Compliance
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