Key responsibilities include:¿ Managing and administering 72+ Exchange servers, 2,000 plus mailboxes for Mubadala Company and providing Messaging Operations support.¿ Having good experience in Exchange 2010 / 2013 enterprise level Exchange server administration.¿ Should have at an experience with MSCS (clustering), good database administration and policy administration skills. ¿ Strong product knowledge for supporting wireless email solutions for Blackberry Enterprise server and ActiveSync. Exchange 2010 & 2013 server administration skills with clustering. ¿ Should able to understand and troubleshoot email routing topology issues. ¿ Knowledge on High Availability Solutions in Exchange 2010 (DAG) and Exchange 2013.¿ Excellent Knowledge on Delegation Model introduced in Exchange 2010 / 2013.¿ Good troubleshooting skills on Mailbox, Hub and Client Access Server Role. ¿ Should have good troubleshooting & administration skills for Public folders, Exchange backup & restore.¿ Having good experience in Lync 2013 enterprise level Lync server administration.¿ Having good experience in Archiving technologies (Symantec Enterprise Vault).¿ Having good concepts for Windows Active directory and sites and services.