The document outlines the professional background and technical skills of Sahan Chamara, a senior executive at Dialog Axiata PLC in Sri Lanka, focusing on networking and technical support. It details his expertise in configuring networking equipment, troubleshooting, and managing network operations. Additionally, it includes his certifications, qualifications, and personal information.

1. No 149,
Philip Gunawardhana Ave:
Madulawa, Padukka
P.O. Box: 10500, Sri Lanka
+94 777 336 241
+94117 202557
sahan.chamara@dialog.lk
SAHAN GAMAGE
OBJECTIVE
To build up a competent, up-to-date, committed and motivated Engineering
professional in the field of Networking to serve the evolving industry and the
community.
SKILLS & ABILITIES
 Configuring and analysis WIFI/APN/VPN/ILL/IDC/Fixed Voice/SIP.
 Perform the installation, configuration and testing of LAN/WAN
devices.(Fractional converters ,Media converters ,RAD Units ,Linksys
Switches, Routers)
 Provisioning VOIP, SIP Trunks and other Unified Communication
Equipment/ Trouble shooting Broadband Access Technologies.
 Working in the IP core Network operation in handling and
Troubleshooting L2 / L3 MPLS VPN and Broadband Networks.(Cisco
Prime ,cacti, redistribution, Load sharing, PPPOE ,VFI, QinQ,
Agg/Acc Layer switch network)
 Familiarity with QoS on Cisco routers /Switches and Skilled with
VLAN, Trunking, Ether channel, STP, VTP, High availability (HSRP,
VRRP, GLBP) and Network security Features.
 Worked with BGP, IS-IS and OSPF, EIGRP environment.
 Identify issues (e.g. critical /unstable links) that occur frequently in
corporate customer solutions and take proactive measures to
avoid these.
 Familiar with MPLS/MPBGP, VRF, X-connect(L2tpV3), Route
reflectors ,Carrier Ethernet , TDM Services, E1oUDP And BGP failover
for single homed and multi homed Environment .
 In case customer is not fully satisfied with the given resolution, take
action to provide Proper Solution.
 Identifying and Protecting Routers/Switches against Network
Attacks (Reconnaissance, DOS , ARP and DHCP spoofing etc..)
 Carryout configurations and settings updates in customers routers
(Dialers , DHCP, NAT, ACLs ,IPSEC tunnels ,TACACS+ ,SNMP , GRE ,
IPSec, route maps , PBR and IPSLA etc…)
 Experience on configuring co-operate customer services in Metro
Ethernet Network and communicate with International Operation
team to Troubleshoot in IPLC links.
 Share information and participate in discussions with colleagues in
order to achieve corporate efficiency. e.g. divisional meetings.

2.  Familiar with managing Cisco Routers, Switches, firewalls
Routers:
Cisco – Cisco871,Cisco881,Cisco1841,Cisco1905, Cisco ASR1004,
Cisco7206VXR, Cisco ASR901, Cisco 7301,Cisco 12406, Cisco ASR9K,
Cisco ME3600x.
Switches:
CAT ME-3400 ,CAT ME-C3750, Cat WS-C3550, Cat WS-C4503.
Voice Devices:
Broad Soft ,Audio codes, InnoMedia IAD ,Media Gateway.
Access Technologies:
Wimax , TXM Links (Ceragon, Erricson, NEC, IPASSO, cambium)
Fiber, LTE TDD, Wipll ,WalkAir.
RESPONSIBILITIES
Organization : Dialog Axiata PLC, Sri Lanka
Duration : Oct 15th, 2006 till date
Designation : Senior executive – Technical Assistance Center (TAC)
Department : SSU Technology – Network Operations & Management
 Provide the leadership and technical support for the teams attending
to customer affected failures
 24 x 7 responsibility for customer affected fault handling
 Ensure the services delivered to customers are maintained at highest
levels.
 Remotely manage CE routers to configure and troubleshoot as per
customer request
 Closely monitor the link status and provide the solution for critical and
unstable links
 Identify products, technologies and concepts that are beneficial to
corporate solutions
 Coordinate with planning and implementation division regarding
access network expansions and new solutions providing
 Identify and recommend improvements to Data Communication
infrastructure and customer end solutions to maintain acceptable
standards
 Analysis of faults and link behaviors to identify and minimize the future
failures.
 Carry out routine checks on customer solutions to assess the quality
and performance and identify where preventive maintenance action
is needed to provide an enhanced service to the corporate customer.
 Conduct training on areas of improvement and technical knowhow
for the TAC Agents and Customer Field Support Service staff to
increase productivity in the team and develop them.

3. PROFESSIONAL
QUALIFICATIONS
 CCIE Routing & Switching Written – Passed (812 Marks)
 CCIE Routing & Switching Lab – Diagnostic section- Passed
 CCNP - Cisco Certified Network Professional
 CCSP - Cisco Certified Security Professional (SNRS and IPS)
 CCNA Security - Cisco Certified Network Associate
 CCNA - Cisco Certified Network Associate,
ACADAMIC
QUALIFICATIONS
 City and Guilds Telecommunication Diploma
 City And Guilds Advanced Telecommunication Diploma
 City and Guilds Advanced Diploma Project
 Six months Training in Sri Lanka Telecom
PERSONAL
DETAILS
 Full Name : Thellamure Gamage Sahan Chamara
 Nationality : Sri Lankan
 Date of Birth : July 24th 1982
 NIC Number : 822060340V
 Marital Status : Married
REFERENCES
DECLARATION
I do hereby declare and affirm that the above particulars furnished by me are
true and accurate to the best of my knowledge.
T.G Sahan Chamara
Date: FEB 10, 2016
M.R.M Safwan
Administrator/Cisco Instructor
Cislanka Training Centre
M: +94 714 466786
safwan@slt.lk
Sunimal Gunawardana
Chief Network Engineer, Sri Lankan
Airlines
Tel: +94 773 490388
Sunimal@hotmail.com