Dilantha Weerasinghe Email & Phone Number

Toronto, ON, CA

* Provided comprehensive support for mission critical systems, ensuring optimal performance, availability, and uptime across multiple platforms. * Proactively monitored system health, responding swiftly to alerts, conducting in-depth root cause analysis for incidents, and implementing corrective actions to prevent reoccurrence and enhance operational.

166 King St

• Incident Management via multiple platforms for support tickets, calls and emails (Jira, Salesforce, OpsGenie)
• Conducting investigations on customer environments to analyze application, network or hardware issues (Linux, Windows)
• Collaborate with engineering to conduct RCA while recreating the errors and analyzing logs (VM, Datadog, Confluence)
• Support during application deployments through testing, deployment and upgrades via various tools
• Performed Database management and Data analysis tasks (SQL, Excel, Power BI)
• Monitoring, troubleshooting and performing tasks on Cloud based platforms as per on-call roster (Azure, AWS)

Sri Lanka

• Overlook the operations while supporting T1,T2 and Application support teams operate smoothly
• Use logical and creative thought processes to develop solutions according to written specifications and/or oral instructions
• Overseeing product delivery and patch upgrade process of all devices
• Ensuring deliverables and SLA's are achieved by the team
• Conduct bug investigations on each OSI layer to define RCA's
• Logging investigations on incident monitoring tools to ease bug fixes and RCA's

Colombo

- Managing the Nagios monitoring system and making amendments when needed- Overlook the internal AWS instance monitoring system and add new features upon requests- Train and support the new operations engineers with day to day issues and customer handling- Work along with the Software Engineers on new release and patch deployments- Compiling reports about.

Sri Lanka

- Worked at tier 3 support, coordinating between the Software Engineers and Customer support- Main responsibilities being identifying, researching, and resolving complex application, network, platform and cloud-based connectivity issues. - Ensuring that merchant systems are fully operational, and any loss of service is restored in a timely manner..

World Trade Centre

• Guided a team of 6 as a lead through PC maintenance, HW support, SW troubleshooting, system upgrades
• Maintaining an entire system of 900 computers with Group Policies and AD (MS Server 2012, Xenserver, Symantec)
• Managing 3 data centers with constant upgrades and designing respective Network diagrams (Visio,Dell PowerEdge)
• Ran scripts in various DELL PowerEdge and Windows Server operating systems to automate processes (Powershell)
• Participated in the team that conducted Security Audits that lead to the acquisition of the ISO 27001 Certification
• Managed the entire inventory while conducting pre-procurement proposals for the higher management

• Migrated the entire 200 computers to an upgraded environment with centralized AD management (MS Server 2012)
• Configured the full network with NAT External Access and proxy and firewall filtering (Cisco, Sonicwall)
• Conducted penetration testing on the public website as well as the internal ERP (Metasploit, wireshark)
• Managed the Information Security aspects by Antivirus SW and network Security tools(Kaspersky, Radmin).
• Upgraded and centralized the infrastructure with Biometric attendance systems and Wireless networks (3m)

Master'S Degree, Information Technology

Network And Mobile Communication, Computer Systems Networking And Telecommunications

Activities and Societies: Organizing committee, Basketball team

Advanced Diploma In Network Security, System, Networking, And Lan/Wan Management

Activities and Societies: Football Team, Basket Ball team

11 - C

Activities and Societies: photography Society, Basketball, Table Tennis, Athletics 100M/200M, Swimming