Thusitha Ranjan Weerasinghe Email and Phone Number

Transmission Network Operation Center• Monitoring the transmission network (microwave links, SDH network, GPON network and DWDM network) and attending to fault rectification• Analysing Faults/Alarms and take actions to maintain the transmission network stability• Vendor coordinating on Fault rectification and NMS management.• Upgrading Network elements (Microwave/SDH/DWDM/GPON) to latest Software versions to comply with new features and to fix Bugs.• Generating Scripts for Bulk Configurations.• Experience in Huawei Network Element platforms- Optix OSN 8800,Optix OSN 7500, Optix OSN 3500, Optix OSN 550, Optix RTN 910, Optix RTN 905, Optix RTN 950, Optix RTN 910A• Experience in Ericsson Network Element platforms- MinilinkTN, Minilink 6691• Experience in Tools and systems- NCE, U2000, ENM, SOEM, WebLCT, Minilink Craft, PNMSj+, UNMSIP Core Network Operation Center• Responsible for MPLS network which 24*7 working environment• Provide 1st level support for the troubleshoot Dialog IP core network• Hands on experience in real time monitoring and troubleshooting tasks on Dialog Metro Ethernet Network, Inner Core Network, and ISP Network.• Huawei NCE/Cisco EPNM Alarm monitoring and NMS systems managed.• Monitor Network elements & its performance such as CPU load, Availabilities, and others• Hands on experience in configuration and troubleshooting tasks on Cisco & Huawei Metro routers and switches. {(Cisco ASR 901, 920, NCS 540, ME3400) ( Huawei ATN910, ATN950 , NE40 )}• Identification and mitigation of DDOS attacks• Hands on experience in analysis of Network quality issues

Network Experience Management Team(Repeaters installation and maintenance/Tilt and Azimuth optimization in sector antennas/Drive test)• Installed and configured telecommunication repeaters to enhance network performance and coverage.• Conducted site surveys to determine optimal locations for repeater installation, considering factors such as signal strength and coverage gaps.• Collaborated with cross-functional teams to ensure seamless integration of repeaters into the existing network infrastructure.• Troubleshot and resolved technical issues related to repeater installation, effectively minimizing downtime.• Developed and maintained comprehensive documentation of repeater installation processes, including equipment specifications and configurations.• Implemented preventive maintenance measures to ensure the ongoing efficiency and reliability of installed repeaters.• Conducting comprehensive drive tests to assess the coverage, capacity, and quality of the network in various geographic areas.• Identifying and troubleshooting network issues, such as coverage gaps, interference, and congestion, to proactively resolve problems and maintain optimal network operation.• Analyzing and interpreting drive test data to generate detailed reports and actionable insights for network optimization.• Conducting thorough analysis and evaluation of radio antenna networks to identify areas for improvement in terms of coverage, signal strength, and quality.• Utilizing advanced tools and techniques to optimize the tilt and azimuth of radio antennas, maximizing network coverage and minimizing interference.• Collaborating closely with network planning and design teams to ensure the alignment of antenna configurations with network requirements and objectives.

Transmission Network Operation• Updating E1/Ethernet transmission network topology in the database and NMS, ensuring accurate representation of network configurations and connectivity.• Implementing Cisco and Huawei routers installation projects, including performing User Acceptance Testing (UAT) to validate the functionality and performance of the installed equipment.

Quality Assurance

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