The Senior Clinical Research Associate (Sr. CRA) plays a crucial role in the delivery of clinical studies at allocated sites, actively participating in local country teams. This position requires close collaboration with other Clinical Research Associates (CRAs) and the Country Operations Management (COM) Team to ensure that study commitments are met efficiently and on time. The Sr. CRA serves as the primary contact for study sites, responsible for monitoring study conduct to ensure compliance with Alexion Procedural Documents, international guidelines such as ICH-GCP, and relevant local regulations. The role encompasses the selection, initiation, monitoring, and closure of assigned sites in clinical studies, ensuring that sites fulfill their commitments in individual studies. A Sr. CRA with demonstrated skills and experience may also take on additional responsibilities, such as serving as a Lead CRA. Key responsibilities include performing selection, initiation, interim monitoring, and closeout visits (both remote and onsite) in accordance with the timelines specified in the Clinical Monitoring Plan (CMP). The Sr. CRA is tasked with driving performance at the sites, proactively identifying and resolving study-related issues, and escalating them as necessary. Training and supporting Investigators and site staff in study-related matters, including Risk Based Quality Management (RBQM) principles, is also a critical aspect of the role. The Sr. CRA will develop recruitment plans with each site and manage enrollment to ensure that sites meet their enrollment milestones, documenting any recruitment barriers and mitigation plans. Additionally, the Sr. CRA is responsible for ensuring that monitoring KPIs are observed and remain within acceptable quality ranges, preparing and finalizing monitoring visit reports in the Clinical Trial Management System (CTMS), and ensuring timely collection and uploading of essential documents into the electronic Trial Master File (eTMF). In some countries, CRAs may also be accountable for study start-up and regulatory maintenance, which includes the collection, preparation, review, and tracking of documents for the application process, as well as submission to Ethics Committees/Institutional Review Boards (EC/IRB) and Regulatory Authorities. The Sr. CRA will collaborate with local Medical Affairs and other internal stakeholders as needed, follow quality issue processes, and prepare for audits and regulatory inspections in coordination with the Quality Group.