Network Engineer Senior
Resume:
Profile Summary
Professional Skill
SASANKA PREMARATHNA
SENIOR NETWORK ENGINEER
Experienced and Industrious Senior Voice and Network Engineer (VoIP Engineer) with a stellar record of individual and corporate client satisfaction. Exceptional troubleshooter for long- and short-term potential system problems and Voice Network Implementor. Able to handle multiple projects simultaneously and bring them to completion in a timely and cost-effective manner. Collaboration Technologies: Voice Network Designing, Implementations, Configurations, Maintenance, Upgrading and Troubleshooting, Session Border Control (SBC), Cisco Webex, Webex Room Devices, Cisco IP Phones, Cisco CUCM/Unity/IMP/ UCCX, Cisco Jabber, SRST, IVR, Scripting, Outbound Campaign, Expressway E & C, Cisco Social Miner, Asterisk PBX Issabel, etc. Network Technologies: Cisco Routers, Cisco/Nexus Switches, Physical Layer/Cabling Security Technologies: Cisco ASA, Cisco FWSM, FortiGate Firewall Wireless Technologies: Cisco Access Points, Cisco WLC, Cisco ISE Monitoring & Troubleshooting: ManageEngine OpManager, NetFlow Analyzer, Cacti, Wireshark ***********@*****.***
76, Rue Chevaliar De Rouville, Gatineau
Education
BSc (Hons) Computer Networks
Plymouth University – United Kingdom Studied at NSBM – Sri Lanka 2018-2021
Professional Certifications
Cisco Certified Network Professional Collaboration (CCNP Collaboration) CCNA Routing & Switching
Cisco Certified Specialist - Collaboration Core
Implementing Cisco Collaboration Application (CLICA) Implementing Cisco Advanced Call Control and Mobility Services (CLACCM) Fortinet NSE Level 1 & 2
Professional Experience
Millennium IT ESP - Sri Lanka
Senior Network Engineer
Millennium IT ESP - Sri Lanka
Network Engineer
Millennium IT ESP - Sri Lanka
System Support-Network Engineer
Millennium IT ESP - Sri Lanka
Intern Network Engineer
Dec 2022 - Nov 2023
Dec 2021 - Dec 2022
Apr 2021 - Dec 2021
Nov 2023 - Dec 2024
www.linkedin.com/in/sasanka-premarathna
Referees
Implemented and Managed Sri Lankan Airport Voice infrastructure Implemented Sri Lankan Airlines Ltd Voice infrastructure Managed and Configured Sri Lankan Airlines Ltd VoIP and Network Infrastructure Configured Managed Cisco Webex Meeting Room Devices in Sri Lankan Airlines Ltd. Implemented and Designed Laugfs Voice infrastructure ( Anantaya Resort and Spa) South Asia Gateway Terminals (SAGT) Voice and Network Infrastructure Upgraded and Managed CAMSO Loadstar Pvt. LTD Voice Network Infrastructure Upgraded and Managed Millenium IT ESP Voice and Network Infrastructure Upgraded and Managed AIA Group Voice Network Infrastructure Upgraded and Managed Commercial Bank Voice Network Infrastructure Honey Light – Australia - Support to troubleshooting Voice Network issues Configured and Managed Cisco Webex Meeting Room Devices in Millenium IT ESP Managed Lion Brewery Network Infrastructure
Implement Sri Lankan Airlines Ltd Voice infrastructure: Designing and Implementing the following Voice (VoIP) technologies: Cisco CUCM (Version-14), IMP (Version-14), Unity, UCCX (Version-12.5) more than 20 IVRs, Outbound Campaign, Expressways C & E, Cisco Social Miner, Stone fax, Imagicle Call Recording and Billing, 3000+ Cisco IP Phones, Cisco Telephony, Cisco Webex, Cisco Webex Room Devices, Session Border Control (SBC), Microsoft Teams Telephony, Microsoft Teams Integration, Zoom Integration, URL Dialing etc.
Manage and Configure Sri Lankan Airlines Ltd. Voice and Network infrastructure: Network and VoIP Redesign of Sri Lankan Airlines Ltd.: Sri Lankan Airlines’ network managed services project aimed to replace outdated network and VoIP infrastructure and deploy IP-based Voice, Video, Network and Wireless solutions. The network devices were managed and configured including 300+ switches & routers, over 3000+ IP phones, 6+ wireless LAN controllers with 30+ access points, and thousands of wired computers and wireless devices at 10+ sites including Katunayake, Hambanthota, WTC Colombo, Kandy, Galle etc. The successful roll-out was completely done and it provided on-site support. South Asia Gateway Terminals (SAGT) Voice and Network Infrastructure: Managed and configured network and VoIP devices including 20+ Cisco Switches and Routers, FortiGate firewall, Checkpoint firewall, Cisco Unified Communication Manager (CUCM), Cisco Nexus 9k Switches, Cisco Unity, Cisco Expressway C, Cisco Expressway E, 100+ Cisco IP Phones, Cisco IMP, jabber users. Daily reports were created including CPU utilization, Memory Utilization and Device Availability on each and every devices in the network. Firewall policies were added and removed on Checkpoint and FortiGate firewall. Administrated SSL VPN users on Checkpoint firewall, and Performed OS upgrading on all the devices needed. As a Senior Network Engineer, responsibilities range from providing onsite support and remote support, prepare & analyze reports. Upon request
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