New employees from outside the European Union are first contacted by the International Office. They will help with practical matters and then guide you to the HR Officer. Employees from inside the EU with a paid contact can go directly to their HR Officer.
Also, make sure to check out the services that the various departments within Radboudumc offer, such as forms for the annual performance review, or information on commuting expenses. More information can be found on the Radboudumc intranet (login needed).