Nuwan Silva Email & Phone Number

Colombo, Western Province, Sri Lanka

• Lead and support the application and database-level upgrade projects.• Conduct performance tuning and capacity planning to ensure optimal system performance.• Review and analyze infrastructure architecture diagrams and identify the gaps.• Perform DB import, DB export, Oracle patching, and other administration tasks for cloud projects.• Onboard dashboards to monitor the breaches.• Resources upgrade, scheduled backups, data migration, and decommissioning operations.• Sizing and maintaining the infrastructure.• Work with infra and DBA teams on requirement gathering to implementation | File system creation | Storage mount | SAS creation | Cert creation | RMAN Backups.• Technology stack, Azure  Linux  Grafana  Kubernetes / EKS Lens  Oracle  Jira  Service now

Sri Lanka

• Provided support in troubleshooting and identifying root cause analysis of systems, database, and applications issues | Microsoft / Azure support case handling.• Managed for the day-to-day operational aspects of Linux administration to meet the business needs and service levels | account.review / patch list generation / OS patching/ investigate automations issues / system health & monitoring.• Resources upgrade, scheduled backups, data migration, and decommissioning operations.• Handled incident tickets assigned and provided resolutions, documented and entered into Knowledge base. | service now.• Managed Network Security Groups to control inbound and outbound access to network interfaces, VMs and subnets.• Technology stack, Azure  Citrix Grafana  Kubernetes / EKS Lens  Oracle  WebLogic  Service now

Sri Lanka

• Level 1/ Level 2 technical support on systems troubleshooting / administration in Windows (Citrix) and Linux.• Built and Delivered IFS product releases and oracle critical/middle tire patch deployments to internal and customer environments (including Azure cloud customers)/ Renew IFS product license and installation/ Environment creation and IFS product installation/ Module | language builds | IFS Upgrades.• FSM | PSO Product installation and troubleshooting.• Handled issues related to Kubernetes and docker for IFS cloud customers.• Operational middleware products: WebLogic Server, JBoss, Microsoft IIS web server, Oracle Database, Microsoft SQL server, Nginx web server or Apache/OHS web server.• Performed service upgrade, backups, data migration, and decommissioning operations.• Application monitoring tools, Health checks (Grafana/azure monitor) and Sizing.• Engaged in on-call rotation to fix high-priority incidents.• Deliver a top tier customer experience through clear communication, precise management of expectations and good customer focused service delivery (incident management – service now).• Technology stack, Azure  Citrix  Grafana  Kubernetes / EKS MSSQL  Oracle  WebLogic  Service now

Colombo

• Installed, tuned & managed Middleware, Database systems in different cloud platforms & datacenters.• Provided operations support, release management and monitored production/non-production systems.• Automated reputable tasks using bash/shell.• Worked with Cloud team for continuous delivery (on-prem & cloud releases) | meet deadlines for cloud infrastructure set up and troubleshooting.• Working with diverse web-based applications and learning management systems in a production, mission-critical environment diagnosing complex user, application, and/or systems problems.• Writing excellent documentation to enable other team members and to aid new hire training to easily learn and support our platforms.• Monitoring entire systems 24/7 on a roster basis (including night shift). • Working with external vendors to support systems as required.• Participating in disaster recovery/business continuity planning. • Creating, and managing Packages, Jobs, and patches through BMC BladeLogic server automation.• Oracle/Microsoft SQL Server Database Administration & troubleshooting. • Technology stack, Azure  Jenkins  Apache Tomcat  Oracle Database Zabbix  Jira  Kubernetes  Release Management

Colombo

• Managing in-house products.• Develop Facebook applications and design web applications according to user requirements. • Provide IT-related technical support to the employees.• Technology stack, MYSQL  Laravel  HTML  PHP  Angular  Windows

Colombo Fort

• Maintaining the company website (https://www.slt.lk)• Provide IT-related technical support to SLT public relationship division.• Technology stack, MYSQL  HTML  PHP

Bsc Special(Hons) In Information Technology, Information Technology

• Graduated from Sri Lanka Institute of Information Technology. Bachelor of Science in Information Technology,(2014-2018)

Business/Commerce, General