Office Manager and Personal Assistant

We are a mid-sized medical communications agency located in the City of London. We are looking for an experienced office manager/personal assistant who can provide administrative support to our Account teams in relation to the organisation of meetings, travel bookings, general office management and administrative tasks as well as provide PA support to the Managing Director. Tasks may involve: word processing, data processing, diary management, invoicing, travel booking, event planning, presentations, setting up of file systems.
Ideally we would like the chosen candidate to come to our office 3 days/week for a minimum of 4 hours/day, the other 2 days/week can be worked in a virtual manner. Full proficiency with MS Office is a must and candidates must have at least 5 years' previous relevant experience. Knowledge of the medical communications and/or pharmaceutical sector is a bonus.