Helpdesk Manager/Consultant

I'm looking for an ITIL qualified Helpdesk Manager for a 3 month project commencing on the 1st of May. The role is working for one of the Big 4 Consulting firms out of their Johannesburg office, evaluating an existing Helpdesk function and auditing where it's falling down in terms of people/process/technology and producing a report highlighting issues and recommending solutions. Ideally you will have prior experience of Consultancy but what is essential is previous experience of project managing the implementation of change within a Helpdesk function. The role is paying to £500 daily and expenses and one flight will be paid.