Dilshan Ranmal Email & Phone Number

Sri Lanka

Sri Lanka

• Administered Middleware Systems, covering installation, configuration changes, migration, upgrades, and maintenance across various environments, including Linux and Windows Server operating systems.• Developed Bash scripts for automating infrastructure component upgrades using AWS Systems Manager (SSM).• WILEY application server’s optimization, fine-tuning capabilities, clustering & and load balancing configurations.• Familiarity with AWS cloud and the ability to leverage cloud computing services for scalable and cost-effective solutions, responding to service outages, and other various problems.• Proficient in deploying and managing web applications on Apache, WebSphere, and JBoss Application Servers, including migration, cluster configuration, patch management, and bug resolution.• Packaged, built, integrated, and deployed WAR, EAR, and JAR files, and configured SSL certificates. Automated repetitive processes creating bash and PowerShell scripting and modification of python scripts as needed.• Worked with monitoring tools such as Dynatrace, Zabbix, and Splunk, and experienced in using Jira and Confluence for project management, issue tracking, and collaborative documentation.• Took ownership of technical engagements to resolve application issues, ensuring effective availability, and aiding in major incident management for Wiley infrastructure applications.• I have worked with various databases, including MSSQL, Oracle, Postgres, SQL Server, and MySQL, I am well-versed in database management and troubleshooting.

Sri Lanka

• Monitored Bank's IT Data Center infrastructure, handling various operating systems and hardware/software applications.• Virtualized RedHat servers using vSphere 6.5, managed ESX servers via VCenter, and explored ESX Cluster and VMotion functionalities.• Created VM instances, facilitated migrations, managed VM Templates, cloning, Snapshots, and resource augmentation.• Configured RedHat Satellite servers, yum repositories, and performed Linux OS patching with Spacewalk tool; used WSUS for Windows OS.• Oversaw hardware/software installations, upgrades, patch administration, system performance, security, and network configuration.• Administered user activities, startup/shutdown scripts, file system maintenance, and backup scripting using Shell scripting for Red Hat Linux systems.• Worked with OpenSSH, SCP, and SFTP protocols, troubleshooting API calls using Postman.• Day-to-day support on general DBA activities, handling various alerts, maintaining daily database backups, and providing recovery whenever required.• Proficient in managing Oracle, MSSQL, MySQL, and PostgreSQL databases, optimizing functionality with scripts and SQL queries.• Experienced in DevOps/Agile operations, using tools for code review, unit test automation, Build and release automation, and Incident/Change Management.• Used monitoring tools such as Nagios, ManageEngine, Zabbix, and Kibana for production support and analysis.• Managed and optimized JBoss and WebLogic application servers, and secured Apache web servers in the banking sector.• Worked on bash scripting for file transfers, alerting, and process automation.• Conducted training sessions and seminars for junior administrators on infrastructure and best practices.• Implemented BCP/DR processes.

Sri Lanka

In my role as an Associate Consultant, I was responsible for managing the application support activities of the British Telecom data warehouse. This included overseeing deployments, housekeeping, incident handling, and other support activities. I worked with a range of technologies, including Linux, UNIX, Oracle DB, Shell Scripts, Control M, PL/SQL, and OWB.• Perform L2 application support in a production environment, ensuring smooth operation and timely customer report delivery according to SLAs.• Create and support automation scripts using shell scripts.• Regularly monitor, troubleshoot, and maintain Unix/Linux servers.• Participate in change processes and application deployments in the production environment.• Schedule and monitor ETL jobs through Control-M, resolving related issues promptly.• Write, debug scripts, and optimize application functionalities using database SQL queries.• Manage incident, problem, and change management, addressing database backup and server health check issues.

Sri Lanka

Sri Lanka

Master Of Business Administration - Mba, Business Administration And Management, General

B.Sc. (It) Degree In Information Technology, (Specialized In Information Technology)

Maths