THARANIRAJ GNANAPIRAGASAM
Colombo
Summary
Experienced and driven Network Engineer with a proven track record of over 3 years in designing, implementing, and managing network infrastructures. Skilled in actively troubleshooting network issues, optimizing performance, and ensuring top-notch security measures. Eager to leverage expertise to make a significant impact within a high-performing team and propel success in a stimulating and fulfilling setting.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Lead Engineer - Network and Engineer
Commercial Bank of Ceylon
08.2024 - Current
- Upgrading, designing, installing, maintaining and supporting the security architectures of LAN and WAN
- Handling all the services and issues in Firewalls, WAF, Proxy, Authenticators, Load Balancer, IPS and AAA servers
- Adhere to the information security policy of the bank Responsible for assurance of information security in the Bank network
- Responsible for assurance of information security in the Bank network
- Research and Implementation on fixing of network vulnerabilities and bugs
- Ensure Network Security with proactive monitoring and complying to industry standards
- Respond to inquiries from a variety of sources (e.g. regulators, auditors, staff, vendors and service providers etc.) for the purpose of providing security assistance and support
- Establish the networking environment by designing system configuration, directing system installation and defining, documenting and enforcing system standards
- Collaborated with other departments to facilitate successful project completion.
- Analyzed and interpreted data to identify trends and recommend improvements.
- Assisted in developing cost-effective solutions to engineering problems.
Assistant Engineer - DE DevOps - TAC
Dialog Axiata PLC
01.2023 - 07.2024
- Provide technical pro-active monitoring and active complain handling of Level 2 and Level 3 support all Dialog Enterprise Customers
- Provide expert guidance when necessary to Engineers and other members to assist in critical Network and Network Security issues
- Oversaw daily operations of an 800+ node, multi-network, multivendor environment
- Enhanced network security by implementing a 3-tier network design
- Designed and implemented network architecture for high availability and scalability
- Monitored network performance to identify and resolve issues, minimizing downtime
- Implemented Enterprise L2 / L3 IP VPN solutions and troubleshooted MPLS network configurations
- Configured and maintained routers, switches, and other network equipment, including Fortinet SD WAN and Managed Firewall Solutions
- Provided expert support to Dialog cloud customers and managed service providers
- Conducted regular security assessments and vulnerability testing to mitigate potential risks
- Collaborated with cross-functional teams to design and implement network security solutions
- Resolved complex network and security issues promptly to ensure maximum efficiency
- Install, configure and maintaining Cloud Services
- Experience with DNS
- Strong knowledge supporting Red Hat / Debian environments
- Scripting Python (upper medium level)
- Advanced knowledge of the Admin Directory control panels
- Basic experience with Load Balancing
- Support clients via ticket and Jira
Assistant Engineer - Network Systems
Hayleys Fentons Ltd
07.2021 - 12.2022
- Responsible for all aspects of the project performance, including Network project planning, Design and implementation
- Responsible for configuration and modification of FIREWALL Network Switches, Network AP, IP Based PABX, Access Control and IP Based CCTV System
- Responsible for Network Infrastructure - CAT 6 and Fiber Cabling
- Worked along with TATA Communications Network Projects
- Responsible for configuration and modification of Routers, Switches and Firewalls
- Responsible for Level 2 Network security related Support for Customers (IPSEC VPN and SSL VPN)
- Experienced with LAN protocols like STP, RSTP, MST, VTP, VLAN and Port Channel Protocols like LACP, PAGP
- Experienced in IP Networking, Wireless Networking and Network Design
- Experienced in Configuration and modification in Extended ACL and SD-WAN
- Worked with Fortinet Firewalls, Cisco Catalyst and smart series switches, Cisco AP and Cisco Routers
- Knowledge in IPv4, IPv6, SD-WAN, 802.1x, QoS Technologies
Education
B.Sc (Hons) - Electrical and Electronic Engineering
SriLanka Institute of Information Technology (SLIIT)
12.2020
Skills
- Technologies - MPLS L3 services MPLS VPLS and SD-WAN
- Routing Protocols - BGP, OSPF, EIGRP and IS-IS
- Switching Protocols - STP, VTP and ARP
- IPv4 & IPv6
- TCP/IP Protocols
- Routers - CISCO, HUAWEI, ARUBA and JUNIPER
- Switches - CISCO, HUAWEI, ARUBA and JUNIPER
- Firewall - PALO ALTO and FORTINET
- Network Load balancer - F5
- VPN - IPsec and GRE
- Cloud Technologies - AWS, HUAWEI and ORACLE
- Server - Windows and Linux
- Network Automation - Python and Ansible
- Active Directory and DNS
Websites
Certification
CCNP
NSE 4
Fields of interests
- Network Security
- Wireless Networking
- Electronics and IoT Systems
References
- Kanchana Badugama, Specialist - Enterprise Technical Assistance Centre, Dialog Axiata PLC, kanchana.badugama@dialog.lk, 0773336247
- Mihira Jagoda, Senior Manager - Technical Assistance Centre, Dialog Axiata PLC, mihira.jagoda@dialog.lk
Timeline
Lead Engineer - Network and Engineer
Commercial Bank of Ceylon
08.2024 - Current
Assistant Engineer - DE DevOps - TAC
Dialog Axiata PLC
01.2023 - 07.2024
Assistant Engineer - Network Systems
Hayleys Fentons Ltd
07.2021 - 12.2022
CCNP
NSE 4
B.Sc (Hons) - Electrical and Electronic Engineering
SriLanka Institute of Information Technology (SLIIT)
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