David O. has extensive experience in IT, currently serving as the ITSM Infrastructure Team Leader and IT Infrastructure Engineer at Sembcorp Energy UK since September 2002. Key responsibilities include global administration of SCCM for software and OS deployment across 4000+ machines, management of Office 365 and Azure, and oversight of Aryaka SD-Wan, Cisco Meraki, and Emerson Delta V systems. David O. also manages Juniper and Fortinet firewall devices while supporting multiple UK locations and global regions, in addition to administering virtual desktops and servers on vCenter 6. Prior to that role, David O. served as an IT Helpdesk Analyst, providing second-line support, and began the career as a Customer Service Executive and Assistant Administrator at Protocol Skills. Educational background includes studies at Stockton Riverside College and Macmillan College.