Onesmo Lyimo Email & Phone Number

Tanzania

• Provided consultation to a client (Telco) for Last-mile connectivity and national roaming
• RAN field services supervisor for a telco. (Handle ticket call-outs within specified SLAs)
• Oversaw installation and configuration of 4G site roll out (Site Surveys and Site Commissioning)Designed Network Infrastructure and Security requirements for clients
• Designed and Implemented a Security Operation Center (SOC)
• Ensuring that the technological resources meet the company's short and long-term needs
• Maintaining a consumer-focused outlook and aiding in the delivery of IT projects to market

Malawi

Responsibilities:* Determined bill of material and details cost to establish last mile connectivity for the Government of Malawi WAN* Saved 40% of project fund by proposing a solution that uses the existing infrastructure. * Design and implement last-mile network infrastructure to connect 124 registration centers to the national backbone fiber for the.

Dar Es Salaam, Tanzania

• Responsibilities:Long-term planning for IP/MPLS network.CAPEX planning for IP/MPLS, including CAR preparation and investment justification.Monitor IP Core capacity utilization and action on it.IP Planning for B2B and.
• Worked with Financial Team and Group IT Team to implement, launch and maintain Tigo Pesa Service
• Planned and coordinated implementation of virtual private networks (VPN) solutions for B2B customers countrywide
• Worked with Google to implement an in-house caching solution that saved over 30% of upstream Internet traffic.
• Planned and implemented disaster recovery and data center site migration from Lugoda to Temeke.
• Improved internet availability by configuring redundancy from two service providers.

Dar Es Salaam

• Improved the efficiency of network by implementing quality of service (QoS)
• Reduced 20% Operations cost and improve efficiency of Field Engineers by designing and implementing a Data Communication Network (DCN)
• Improved capacity utilization of backbone transmission to 80% by implementing active-active MPLS-TE
• Transformed core network from fixed TDM backbone to flexible and scalable IP MPLS backbone
• Reduced downtime by delivering the network side of the move to ITIL change /problem / incident management model.
• Integrated the 3G and 4G radio access network (RAN) into the core network

Dar Es Salaam

• Operating IP network infrastructure, supporting Core Network nodes (NSS and BSS) and Intelligent Network (IN) systems. Managing 3 Internet Service Providers and ensuring reliable Internet availability for corporate.
• Packet Core Nodes Integration, i.e., Routers, Switches, DNS, BSC, RNC, MGW, SGSN, GGSN, and SBC Firewalls
• Operations and Maintenance on the MPBN Network
• Designed and implemented a Data Communication Network (DCN) for transmission traffic nodes.
• Demonstrated effective and consistent technical support.
• Assisted in establishing a scalable Mobile Packet-Bone Network (MPBN).

Dar Es Salaam

• As Senior Systems Administrator, planned and coordinated IT activities including identification, establishment and maintenance of Information Technology infrastructure that facilitated timely electronic data capturing.
• Deployed and managed Microsoft Windows 2003 Active Directory, SQL 2005 and Exchange 2007
• Managed fiber links (primary) and microwave links (secondary) connecting to Telecommunication Operator
• Implemented Cisco ASA 5500 series network security.
• Participated in the infrastructure backbone upgrade from CAT5 Ethernet to Fiber in 2007
• Successfully led a smooth transition of Network infrastructure following a Small Mine acquisition

Mbeya

• Providing assistance to 14 Local Authorities Councils with the implementation and roll out of the Integrated Financial Management System (epicor eBack Office).
• Installing, upgrading, configuring, testing, maintaining and supporting operating system software
• Drawing up annual maintenance /service plan for ICT assets in a quarterly basis and reporting on the cost of maintenance
• Database and Network administration: Installation of backend and front end accounting applications
• On-site and on-line support for users, on-site training for new users

Masters In Business Administration, Information Technology Project Management

Bsc. Telecommunications Engineering, Telecommunications Engineering