Yared Tessema

Experience

• 

  Bank of Abyssinia

  Jun 2005 - May 2011

  • Implemented and evaluated end user training programs and established performance measurement criteria which resulted in 50% decrease in first level support.• Documented operating system and network infrastructure faults and resolution mechanisms which helped Junior staff in providing quick resolutions and resulted in a 60% time reduction in faults resolution.• Managed local and remote technical support of the bank's network infrastructure, corporate head office and 66 branches across the country, ensuring full utilization of support capabilities.• Achieved 35% increase in first-call resolutions by establishing internal training for 3 help desk operators designed to improve technical competence.• Managed a help desk operation which catered for more than 1500+ employees and resolved escalated complaints by utilizing cross-functional resources as required.• Developed the Banks Wide area network architecture in collaboration with ISPs Show less • Supervised 4 technical support engineers and 3 software developers focused on supporting Windows, Linux-based operating systems, in house developed software and Network infrastructure mainly composed of Cisco routers and switches.• Trained engineers in the troubleshooting of hardware and network faults which saved the bank$ 5000 per month.• Monitored bandwidth and network activity by analyzing information provided by MRTG, Solar winds NPM and Cisco MARS which helped reduce network downtime.• Provided accurate documentation for network topology, policies, procedures, and change control.• Configured supported and optimized routing protocols OSPF, EIGRP, policy based routing and network services IP SLA and HSRP.• Implemented a Windows server 2003 active directory infrastructure for the Banks Corporate headquarters and 66 branches. Show less • Installed, configured and maintained the banks network•Executed system analysis and troubleshooting in order to resolve problems on servers, workstations, switches, routers, firewalls and other network devices.•Monitored the network performance regularly to improve performance and functionality.•Controlled access to the IT network and updated security programs as a part of the security procedure.•Maintain relationship with vendors of networking hardware/software and hosting providers Show less

  • Manager/Division Head Information Systems Support Division

    Oct 2008 - May 2011

  • Senior Hardware Engineer

    Jun 2007 - Oct 2008

  • Network and Maintenance Engineer

    Jun 2005 - Jun 2007
• 

  Trescend Ltd

  Sept 2013 - Sept 2015

  Managing Consultant

  • Supported the entire IP infrastructure of SURE TELECOM. The infrastructure was worth upwards of 5 million dollars and included devices from multiple vendors running OSPF, BGP and Static routing protocols.• Successfully completed an IP infrastructure audit for SURE TELECOM UGANDA in terms of IP address plan, routing protocol implementation ,security and traffic segregation between services.• Designed and implemented a corporate LAN infrastructure service ready for data, voice and video spanning across 3 geographically separate locations over Google's fiber carrier MPLS network.• Configured over 50 IPSec VPN tunnels for Value Added Services and Roaming integration with service providers like Facebook, Twitter, Mobimedia, Belgacom using Cisco ASA5555x and Juniper SSG520 firewalls.• Supported the IT team in the Virtualization of Fujitsu, Dell, HP and IBM servers by using VMware which helped the service provider save more than $ 500,000. Show less

• 

  NTT DATA Corporation

  Mar 2016 - May 2016

  Senior Network Consultant