Tharmesh Kanesalingam Email & Phone Number

Cbd Business Centre, 41 Janadhipathi Mawatha, Colombo 1

>>> Handling the escalations raised by the NOC Front-line, Enterprise support team, Home Broadband, and Radio Operation team.>>> Troubleshooting network issues raised by Wholesale customers related to eNNI links, Backhaul links, and Individual customer services. Technologies - Layer 2 MPLS, Layer 3 MPLS, L2VPN (xconnect), LDP (Label Distribution Protocol), and Traffic Engineering. Cisco Aggregation Routers 9K series, Juniper Routers MX series.>>> Handling IP Transit link-related issues and change requests - Prefix Advertisements to Upstream carriers and accept the prefixes from downstream carriers.>>> Managing major incidents such as unplanned core network outages, and wholesale, residential, and business customer outages until they get resolved.>>> Assisting core network engineering team during projects such as network migration and changes.

Cbd Business Centre, 41 Janadhipathi Mawatha, Colombo 1

>>> Troubleshooting BGP, MPLS, and Layer 3 VPN issues in the core network and escalating it to the core network team.>>> Establishing and Troubleshooting VPN connections between customer sites. VPN Protocols mainly used are IPSec, PPTP, L2TP/IPSec, GRE, and Multipoint-GRE>>> Have done Service Delivery-related works such as configuring new services and change requests of Enterprise customers in core network routers/switches. And new router configuration (Cisco C1000 series and C900 series) for Enterprise services (First Turn-up).>>> Have worked on FortiGate firewalls for change requests made by customers such as security policy, speed/shaping policy, user access policy, and VPN tunnel-related.>>> Provided training for newly joined engineers to the team and handled escalations raised by team members.>>> Participated in core network projects and migrations (VxLAN) headed by the core network team.

Orion City Dr. Danister De Sliva Mawatha Colombo 09

In 2018, August, was promoted to Level 2, Network Support Engineer>>> Hands-on experience, in handling and troubleshooting corporate internet connections and LAN-related issues.>>> Establishing and Troubleshooting VPN connection between two remote sites. Protocols mainly used are IPSec, PPTP, L2TP/IPSec, GRE, and Multipoint-GRE>>> Troubleshooting routing-related issues with BGP, MPLS, and VRFIn January 2022, I have been promoted to Level 2 senior network engineer. In addition to the above responsibilities, I am currently doing the following tasks.>>> Providing technical assistance to level 2 support engineers>>> Knowledge transfer and train newly joined level 2, support engineers>>> Handling escalations raised by peers and customers, by liaising with the wholesale supplier and finding timely resolution.>>> Assisting core network architects by participating in service/config migrations in core routers when there is an infrastructure change.

Orion City, Colombo

• Joined the team as an Intern in August 2016 and received the Network support engineer title in October 2016, since then I have been providing remote support to Small-Medium Business services and Residential Grade services in relation to Voice and Broadband issues. Received a vast amount of experience and troubleshooting skills in the following areas>>> Broadband connections such as ADSL, VDSL, FTTH, HFC, Wireless and Mobile (3G, 4G and HSPA).>>> Voice support for Mobile, PSTN, and VoIP (SMB and Residential).>>> Thorough knowledge in diagnosing faults in Metal line tests generated from supplier tools (Optus, Telstra, AAPT, NBN) and analyzing MRTG graphs of CVCs/ supplier links.>>> Clear understanding of the Network Topology of Exetel as an ISP (Interconnectivity between Exetel and wholesaler using CVC-links, Understanding of S-tag and T-tag, Etc.).>>> Confidence and Experience in handling different types of end users (Difficult to non-tech savvy customers), learned to handle the workload in a pressurized environment using multithreading and shortcuts of my own way and learned to take ownership of a given task and take accountability for the outcomes.

Colombo 01, Janadhipathi Mawatha, Ceylinco Building.

• Having more than 2 year industrial experience in Telecommunication field, Passive Optical Network (PON) development project by SLT. Responsibilities are planning and implementing Passive Optical Network and Providing Fiber to the Home (FTTH) services (Smart Internet Connection) to customers that provides 100Mbps downstream speed of broadband connection.>>> Survey, Plan, Design and Implementation of PON>>> Strong knowledge of Dense Wave Division Multiplexing (DWDM), as it is the multiplexing technique used in PON of FTTH.>>> Calculating the optical power budget from Optical Line Terminal (MSAN/GPON Card) to Optical Network Terminal (Customer end equipment)>>> Troubleshooting of Passive Optical Network using OTDR (Optical Time Domain Reflecto-meter), Power meter, Light source and Visual fault detector (Splicing deficiencies, Micro bends, 90 degree bends, Etc.)

Bsc (Hons) In Engineering, Electronic And Telecommunication Engineering

Education record