Dhanuka Ranasinghe Email & Phone Number

Sri Lanka

Sri Lanka

• Managing functions of both transmission NOC and IP-Core NOC team• Situation manager if any issue occurs in the transmission network and IP core network.• Process evaluation and adding new changes that are required by the organization.• Attend to NOC function automation project and automate most of the manual cases.• managing team by giving them correct guidance as the organization expects.

Colombo, Western, Sri Lanka

Operation and maintenance of the network elements of the core network in order to ensure smooth and continuous operation of PS core network (3G/4G-LTE/5G) by maintaining 99.999 % of availability.Responsible for Monitoring and fixing of system related faults and malfunctions and Spare part management of the Core network elements and Provide fault control services on the network throughout the hours of operation by ensuring 24x7 on-call supportResponsible for Management of PCRF and create/modify the new data production as requriment of compacny business unitAdministration of system user accesses by ensuring high level of security for all core network systems.Responsible for carrying out hardware upgrades & software version migration activities of core network nodesProvide proposals for implement the redandancy solitions in PS core network area.Provide technical support to other divisions for the implementation of new services.Provide support for Fraud Management team to analyze fraud issues and complaints.Monitoring network performance and taking the necessary steps to optimize the performance parameters such that high quality services are delivered to the customersAnalyze customer complaints and provide the solutions .Provide technical support to implement the Spam filter network in Packet core networkSecurity hardening on Packet core network elements ( MME/SGSN/GGSN/PCRF/S-GW/P-GW/PCF/CG)Provide technical support to implemetnt the 5G service and maintain 5G core network elements.

Sri Lanka

Packet Core Network Engineer

Sri Lanka

• Trainee Engineer at Sri Lanka Telecom Mobitel (Pvt) Ltd from 20th Jan 2014 to 11th April 2014 Worked under 2G, 3G, Core Network and Access Network Operations (IP) departments. Furthermore, I had handled the customers complains. Therefore got good experience with labor controlling and Deal with other people.

Sri Lanka

Trainee Engineer at Sri Lanka Telecom PLC from 08th Oct 2012 to 28th Dec 2012 Worked under NGN, PSTN, Fiber Optics, OPMC and Power and AC departments