CW Senior Accountant; Corporate Accounting – Assets & CAPEX; Temporary

Who We Are

Bio Marin is a global biotechnology company that relentlessly pursues bold science to translate genetic discoveries into new medicines that advance the future of human health. Since our founding in 1997, we have applied our scientific expertise in understanding the underlying causes of genetic conditions to create transformative medicines, using a number of treatment modalities. Using our unparalleled expertise in genetics and molecular biology, we develop medicines for patients with significant unmet medical need.

We enlist the best of the best—people with the right technical expertise and a relentless drive to solve real problems—and create an environment that empowers our teams to pursue bold, innovative science. With this distinctive approach to drug discovery, we’ve produced a diverse pipeline of commercial, clinical and preclinical candidates that have well-understood biology and provide an opportunity to be first-to-market or offer a substantial benefit over existing therapeutic options.

It takes a village, and at Bio Marin, 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.

Location:

San Rafael, CA (Hybrid, 2 days/week Tuesday and Thursday). Department:
Corporate Accounting – Fixed Assets & CAPEX

Bio Marin is seeking an experienced Senior Accountant to support the full lifecycle of Fixed Asset and CAPEX accounting. This long-term contract role is ideal for someone who thrives in a dynamic, fast paced environment and enjoys partnering with cross-functional teams to ensure accuracy, compliance, and operational excellence.

• Manage end-to-end fixed asset accounting, including additions, disposals, transfers, impairments, and depreciation
• Maintain the fixed asset subledger and ensure alignment with the general ledger
• Perform monthly close activities: journal entries, reconciliations, roll forwards, and variance analysis
• Review and validate asset classifications in accordance with US GAAP and company policy
• Support internal and external audit requests related to fixed assets

• Partner with project managers to monitor capital project spend and ensure proper capitalization vs. expense treatment
• Asset Under Construction (AUC) balances and drive timely project closures
• Assist in forecasting depreciation and CAPEX impacts for FP&A and business partners
• Ensure compliance with capitalization policies and support continuous process improvements

• Perform monthly OPEX purchase order (PO) reviews to ensure accuracy of commitments, proper coding, and alignment with budget expectations
• Prepare and analyze OPEX accruals, ensuring completeness and accuracy of period-end expense recognition
• Partner with budget owners to investigate and explain OPEX variances, providing clear insights into drivers and trends
• Monitor open POs and goods/services receipts to validate timing of expense recognition and identify items requiring cleanup or closure
• Support monthly OPEX reporting packages, including variance commentary and analysis for FP&A and business partners
• Strengthen OPEX-related controls and contribute to process improvements that enhance transparency, accuracy, and efficiency in operating expense management

• Maintain strong internal controls over fixed asset and CAPEX processes
• Support SOX documentation, testing, and remediation activities
• Identify opportunities to streamline workflows, enhance reporting, and improve data integrity
• Contribute to system enhancements or ERP projects impacting fixed asset accounting

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.

Required

• Bachelor’s degree in accounting, Finance, or related field
• 5+ years…