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MEDSIR

MEDSIR

Oncology Clinical ResearchBarcelona, Spain100 employeesFounded 2012www.medsir.orgBarcelona

MEDSIR is a Barcelona-based oncology clinical research organization specializing in the design and management of academic clinical trials for cancer. The company partners with leading hospitals and research institutions to conduct investigator-initiated trials (IITs) and provide expert consulting in oncology, focusing on breast cancer and other tumor types. As a contract research organization (CRO) with a strong academic orientation, MEDSIR supports the full clinical development cycle, from study protocol design to data management and regulatory affairs.

MEDSIR is headquartered in Barcelona, Spain, and operates with a multidisciplinary team of oncologists, data scientists, project managers, and biostatisticians. The company is known for its collaborative, academic-driven culture, offering professionals the opportunity to work on cutting-edge cancer research. For international hires, MEDSIR provides a chance to join a globally connected (with affiliates in Europe and the U.S.) yet closeknit team, with roles in English, and to contribute to the full spectrum of the company’s operations from its Barcelona hub, just an hour away from optimal relocation hubs but deeply embedded in its Mediterranean lifestyle.

Company History

MEDSIR was founded in Barcelona in 2012 by a group of oncology experts with the goal of improving cancer clinical trials through an academic, research-driven perspective. Since then, it has grown to become an international clinical research organization, orchestrating trials across Europa and the U.S, with special focus on oncology and latest developments in breast cancer. The company has built a reputation for bridging scientific excellence and operational transparency, and it has expanded through partnerships with major scientific networks and institutions.

For International Professionals

  • Company language: Both Spanish and English are used, with many roles officially posted in English; those with trainee positions have an all-English environment.
  • Relocation support: The company provides a welcoming policy to relocate to Barcelona and, generally, the company is in proximity to most international hires.
  • Work flexibility: MEDSIR offers a hybrid or remote work env, flexibility for some of the positions, being uncommon within clinical CROs.
  • Growth in its sector: Given that the company is growing both at the European and U.S level, potential addition to an internationalized ecosystem is high, i.e., to have said responsibility in a mid-size company.
  • Mission-driven environment: They are strongly embedded in oncology, with opportunity to work with over 60 hospitals across Europe and the U.S, adding to a unique academic-driven experience in the sector.

Open Positions (9)