Senior Cost Accountant
BioMarin Pharmaceutical • Cork, Ireland • Full Time
Posted on Tue, Aug 25, 2026
Description
Who We Are
BioMarin is a leading rare disease biotechnology company focused on genetically defined conditions.
Guided by our purpose to develop medicines that make a profound impact on people’s lives, our global teams have delivered a portfolio of therapies since our founding in 1997. Our revolutionary treatments for conditions like achondroplasia (the most common form of dwarfism), PKU (phenylketonuria), CLN2, a form of Batten disease, and a number of forms of MPS (mucopolysaccharidosis) offer new possibilities for patients and families who previously had few, if any, available options. More recently, with the close of the Amicus acquisition, our portfolio has expanded to include therapies for Fabry disease and Pompe disease, expanding our ability to reach more people living with rare genetic conditions.
Our success comes from our unwavering commitment to excellence, our deep understanding of patient needs, our scientific expertise, and our world-class manufacturing capabilities. At the heart of BioMarin is a dedicated team of the brightest minds in the industry working together to deliver innovative therapies to patients and families around the world.
About Corporate Groups
It takes a village, and at BioMarin, our general and admin teams are the village behind our success. From the IT experts who manage our technology to the human resources professionals who hire the people who make it all possible, these teams support our organization and span all areas of operations.
SENIOR COST ACCOUNTANT
Location: Cork, Shanbally
Hybrid: 3 Days Onsite
Closing Date: 1st September
SUMMARY DESCRIPTION
BioMarin is seeking a highly motivated Senior Cost Accountant to join our Technical Operations (TOPS) Finance team. The Senior 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 Senior 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.
RESPONSIBILITIES
· 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.
· Complete inventory costing activities for new inventory items, including working with business functions to identify costing requirements and aligning on timelines.
· Evaluate inventory balances for excess and obsolescence and determine need for inventory reserves.
· Review and analyse inventory variances on a monthly basis and work with business functions to understand drivers.
· Participate in the annual standard cost setting process.
· 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.
EDUCATION
· ACA/ACCA/CIMA/CPA qualification.
EXPERIENCE
· Experience in a multi-national organization and inventory costing experience is required.
· 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. SAP experience is a distinct advantage.
Note: This description is not intended to be all-inclusive, or a limitation of the duties of the position. It is intended to describe the general nature of the job that may include other duties as assumed or assigned.
Equal Opportunity Employer/Veterans/Disabled
An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Ireland Safety Responsibility
Support the organisation’s commitment to environmental protection, injury prevention, and continual improvement of EHS management systems. Actively contribute to a safe and environmentally responsible workplace by identifying hazards, reporting incidents and participating in EHS initiatives and training.
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