The Senior HR Manager will be responsible for defining and applying company policies, managing internal HR systems, analyzing and reporting HR data, and partnering across the business to ensure efficient HR operations in the UK. The role involves managing the end-to-end recruitment process, designing company policies and procedures, maintaining HR systems and databases, evaluating HR tech stack, overseeing performance evaluation systems, managing benefits administration and immigration, maintaining employment contracts and records, managing HR requests, coordinating employee training, and leading team-building initiatives. This role will also act as an Office Manager for the London office.