- Analyzing and interpreting complex system designs, infrastructure, and solution diagrams specifications to understand the network and apply appropriate changes according to the business requirement.- Configuring the Network firewalls, switches, routers according to the relevant project requirements. (Firewalls includes Fortinet, Cisco ASA, Cisco Firepower, Netscreen, Cisco ACI, Juniper SRX, Check point, Routers including Cisco, Juniper MX Series).- Configuring LAN/WAN networks and troubleshooting MPLS/BGP/OSPF routing protocols including Cisco ACI.- Monitoring network traffic and network activity logs on Syslogs servers, SIEM (Security incident and Event Management) and Forti-analyzer. - Work under strict change control processes to ensure only authorized changes are made to the network systems.- Troubleshoot network firewall, routers, switches and various system related issues with different teams .Supporting SD-Net VLAN creation and trunking on ACI infrastructure. - Troubleshooting experience using various types of network sniffing programs and packet captures using Cisco packet tracer/ Wireshark/TCP dumps/Forti-Analyzer/Forti diagnose sniffer.- Implementation and maintain data backups of systems configurations (Switch/Router/Firewall backups) when performing changes on devices and restore in case of emergency situations.- Implement change adopting best practice from the ITIL framework.- Providing specialist systems and network skills in troubleshooting complex network and systems issues including AWS/Azure cloud network related activities, Red hat Linux servers, UNIX based servers and Windows servers.- Providing network firewall programming support for specific business requirements.- Experience in managing and configuring network infrastructure across multiple countries including Milan Italy/Singapore/USA/London -UK.- Developing python codes to support automation functions in FortiGate, Cisco and Juniper network nodes.

Participated as a Visiting lecturer for module : EE6254-DevOps EngineeringConducted Sessions on :1. Introduction to DevOps Engineering 2. Pre-requisite Technical Contents a. Cloud Deployment fundamentals b. Linux Fundamentals c. Programming d. Networking e. Virtualization3. Version Controlling 4. Infrastructure as Code 5. Infrastructure Automation 6. CI/CD Pipelines 7. Containerization and Orchestration(Docker/Kubernetes)8. Monitoring 9. DevOps functions in Organizations.

-Execution of operational procedures such as monitoring, fault identification, troubleshooting,rectification and configuration etc. of the Huawei, and Ericsson access network using the relevanttools and systems within SLA in order to minimize network downtime-Provide 24×7 On-call support and expert guidance and recommendation to Network-Operations Centre/Dialog Network services-regional staff/colleagues to resolve technicalissues of Huawei, and Ericsson networks in an effective manner to minimize the downtime-Conduct Periodical system performance analysis (node performance, network performance)through performance analytical tools and take necessary action (escalate, report) to maintainthe system capabilities at accepted levels of standard for smooth operations-Execution of network modifications/reparenting, site deployments, capacity upgrades andmodifications to meet the radio network planning requirements for Ericsson and Huawei- Execute site commissioning (both in house and Full Turnkey) by defining logically in thesystem to fulfill requirements from access network operations end.-Conduct training on areas of improvement and technical knowhow for the NetworkOperations Center team and Dialog Network Services (regional staff) to increase productivityin the team and develop them

Research : Orchestrator for Edge Computing Platforms to provision Cloud Services at the Mobile Edge

I got my first industrial training as an Electrical and Telecommunications Engineer at Sri Lanka Telecom PLC.