Should have good knowledge of Office 365 Portal.
Knowledge and hands on experience on Exchange Online, Lync Online, Sharepoint Online, Yammer and One Drive
Should have good knowledge on all different migration to office 365. .
Knowledge of directory sync.
Good knowledge of powershell for exchange online, Sharepoint online and Lync online.
Must be aware of different licensing and user roles of office 365.
Should be aware with the federation of Lync.
Should be aware of the ITIL Process of Incident and change management.