Jun 2022 – Jan 2025 · 2 yrs 7 mos · Toronto, Ontario, Canada · Hybrid

• Analyze POS/ATM related functional and technical issues under Tier 1 payments application support team and provide 24/7 on call production support for any POS, ATM related issues.
• Manage project releases, collaborating cross-functional teams to gather the requirements, preparing automation scripts, implementation and validations.
• Participate actively in the payment systems deploy / upgrade in the VM environments, offering hands on support in application design, plan, test, execution, and troubleshoot, while leveraging expertise to optimize performance and ensure a successful implementation.
• Manage payment production certifications and Key updates, working on certificate renewal, creating cert and sharing across impacted upstream and downstream application teams.
• Oversee prompt and effective resolution of system incidents processes and collaborate across other teams for resolution in order to ensure 99.99% uptime ratio with tied SLAs (Tier 1).
• Support projects for payment system enhancements and product development, ensuring successful delivery by collaborating with cross functional teams including developers and operations, and managing resources while addressing any blockers that comes through.
• Monitoring incidents and service requests, open Service-Now tickets/ Change records requiring assignment support groups for resolution and involve in Tango OS upgrades etc.
• Create RCA reports for the Incident and maintain the backlog and work with Atlassian, JIRA and Confluence application for workflow management and knowledge base documentation.
• Build a culture of continuous improvement and support team embed best practices of support portfolio and agile methodologies and communicate with upper management providing updates on critical incidents and project activities.
• Tools :
• TANDEM, GUARDIAN , TANGO , WEBTANGO, SPLUNK , JIRA , CONFLUENCE , SERVICENOW , Shell Script , NETBATCH , MOMI , LINUX , PAYMENT PLATFORM , IMN , SSL CERTIFICATE

Apr 2020 – Jun 2022 · 2 yrs 2 mos · Colombo, Western Province, Sri Lanka

• Duties and Responsibilities performed
• Worked as a team member for the DevOps Support Team.
• Worked on multi cloud ( AWS, GCP ) environments for application support.
• Deployed new features and fixed issues in Kubernetes environment for clients.
• Created new Automation scripts and Optimized the existing scripts while working on the Production/Staging environments.
• Created new Monitoring scripts for collect applications data and cloud metrics.
• Worked with tied SLAs and resolved issues smoothly within the SLAs.
• Research, evaluate and synthesize technical information to optimize the performance of the production systems.
• Worked with multiple teams and achieved goals as a one team.
• Troubleshoot, test, document, upgrade and develop maintenance procedures for operating systems, communications environments, and applications software.
• Co-ordinate support team in the process of deployments and configuration changes.
• Worked closely with L3 team and provided proper solutions to customers.
• Collect and document customers' requirements and develop/change logical and physical specifications in environments
• Plan, design, and co-ordinate the deployment, installation, integration, and operation of production and staging environments.
• 24/7 on-call support for incidents in production systems.
• Tools and Platforms used
• AWS , GCP, Kubernetes (EKS, GKE) ,ELK, Stack Driver, Nagios, Nginx, Apache, Ansible, Puppet, Terraform, JIRA, Github, RedHat, Ubuntu, WSO2 middleware stack , Shell Script

May 2019 – Apr 2020 · 11 mos · Sri Lanka

• Duties and Responsibilities performed,
• Worked with DevOps Support and Managed Services team of WSO2.telco.
• Installed and configured Red Hat Enterprise Linux 7.
• Designed, installed, configured, maintained, analyzed,and resolved problems with application and operating system and servers.
• Worked with tied SLAs and resolved issues smoothly within SLAs.
• Created monitoring scripts to collect information for optimize the performance of production systems.
• Documented customers' requirements and develop/change logical and physical specifications in
• environments.

Oct 2016 – May 2019 · 2 yrs 7 mos · Colombo 02

• Duties and Responsibilities performed,
• Worked on deployment, operations and issue handling in production systems of Dialog Axiata such as Mobile Money Solutions, Loyalty Systems, Touch Travel , Web sites and Payment Gateways.
• Worked closely with product development team and gain knowledge on current product architecture and managed service processes to absorb it to new deployments.

Feb 2015 – Aug 2015 · 6 mos · Colombo

• Electrical ,Electronics & Telecom and Data communication Section