START Center for Cancer Research (START) is the world's largest network of Phase I clinical trial centers, dedicated exclusively to oncology research. Since its inception, START has provided hope to cancer patients across general communities by offering access to cutting-edge clinical trials in the United States and Europe.

About The Role
We are seeking a highly analytical and collaborative Clinical Business Operations Manager, to serve as the critical link between Clinical Operations and Finance. This strategic role ensures that all clinical trial activities are accurately documented, reconciled, and translated into revenue-generating transactions while maintaining the highest standards of data integrity and compliance.

The successful candidate will oversee the accuracy of clinical research operational data, support billing dispute resolution, drive cross-functional collaboration, and help ensure that services performed within clinical trials are properly captured, validated, invoiced, and ultimately collected.





This position is ideal for a professional with experience in both clinical research operations and healthcare revenue cycle processes who enjoys solving complex problems, improving processes, and working across multidisciplinary teams.

Key Responsibilities
- Ensure the accuracy, integrity, and reconciliation of clinical research data across CTMS and related systems.
- Serve as the primary resource for sponsor and CRO billing inquiries, invoice disputes, and revenue-related investigations.
- Collaborate with Clinical Operations, Research Nursing, Pharmacy, Regulatory, Finance, and Revenue Cycle teams to support accurate documentation, billing, and revenue capture.
- Investigate and resolve operational, clinical, and financial discrepancies to minimize revenue leakage and ensure compliance.
- Monitor study-level invoicing, payments, aging accounts, and revenue performance, identifying risks and escalation needs.
- Develop and track key performance indicator

📌 Clinical Business Operations Manager (Madrid)
🏢 The Start Center For Cancer Research
📍 Madrid