Kasun De Silva Email & Phone Number

Colombo, Western Province, Sri Lanka

• Troubleshoot and resolve Temenos Core bank system and application issues, resulting in an improved user experience.• Monitoring system performance, identified potential issues, and implemented corrective action to prevent outages.• Install, configure, and maintain software applications, resulting in improved system productivity and efficiency.• Develop and implemented backup and disaster recovery plans, ensuring business continuity in the event of an outage.• Write scripts to automate server maintenance tasks and reduce manual workload by 90%• Create storage volumes on SANs and configured iSCSI connections between hosts and storage devices and Capacity planning.• Performed system upgrades, patching, monitoring and performance tuning activities on IBM Power servers.

Colombo, Western, Sri Lanka

• Troubleshoot and resolve Temenos Core bank system and application issues, resulting in an improved user experience.• Monitoring system performance, identified potential issues, and implemented corrective action to prevent outages.• Install, configure, and maintain software applications, resulting in improved system productivity and efficiency.• Develop and implemented backup and disaster recovery plans, ensuring business continuity in the event of an outage.• Write scripts to automate server maintenance tasks and reduce manual workload by 90%• Create storage volumes on SANs and configured iSCSI connections between hosts and storage devices and Capacity planning.• Performed system upgrades, patching, monitoring and performance tuning activities on IBM Power servers.

• Maintained 99.9% up-time for Critical production servers including the ERP system.• Ensured proper and adequate monitoring of all database and system (security and DR) solutions.• Ensured daily backups on network servers were completed successfully, troubleshooting, and correcting if necessary.• Managed Active Directory, O365, Manage Engine Patch management system, and VMware environment.• Managed and configured Crowdstrike endpoint security protection on desktops and laptops with a centralized solution.• Led successful migration to cloud-based infrastructure, reducing costs and improving scalability.• Skilled in monitoring and maintaining cloud security measures to ensure data protection and compliance.• Developed and implemented backup and disaster recovery plans, ensuring business continuity in the event of an outage.• Resolved customer complaints quickly and effectively while maintaining a high level of professionalism.

Colombo, Western Province, Sri Lanka

• Specialized in managing 8 firewalls which are Palo Alto, Watchguard, and Fortigate• Ensured proper and adequate monitoring and supervision are done on all data Center (Protected and DR) solutions Ensure backups are taken regularly, encrypted, and sent to off-sites.• Maintained 99.9% up-time for Critical production servers including the SAP ERP system.• Azure Web Servers, personnel, systems administrators, and application owners as appropriate• Performed DR Test simulation every quarter and ensured all the critical systems synced to the DR site.• Provided guidance and support to junior staff members during challenging situations.• Monitored store security systems to detect any suspicious activity or theft attempts.• Implemented and developed operational standards, policies and procedures and capacity planning.• Resolved customer complaints quickly and effectively while maintaining a high level of professionalism.

Colombo, Western, Sri Lanka

• Specialized in managing 8 firewalls which are Palo Alto and Watchguard and Fortigate• Maintained 99.9% up-time for Critical production servers including the SAP ERP system.• Azure Web Servers, personnel, systems administrators, and application owners as appropriate• Perform ongoing performance tuning, hardware upgrades, and software patch management and resource optimization as required.• Provide Tier III/other support per request from the Help Desk• Installed hardware components such as servers, hard drives, memory modules in accordance with best practices.• Created user accounts in Active Directory environment and managed group policies accordingly.• Configured, implemented, and maintained Windows Server systems including DNS, DHCP, Active Directory, Group Policies, WSUS, and Hyper-V.• Performed daily backups of critical data using backup software applications like Arcserve.• Assisted in developing disaster recovery plans for mission-critical applications and services.• Coordinated with vendors and suppliers for procurement of new IT assets based on organizational requirements.• Assisted other departments in resolving complex technical issues related to their respective areas.• Developed scripts for the automation of routine tasks using PowerShell scripting language.• Managed storage solutions such as SANs for efficient utilization of resources.

• Performed daily system monitoring, verifying the integrity and availability of all hardware, and servers.• Managed the data center and computer host systems including hardware, software, and equipment such as air-conditioning system, UPS (uninterrupted power system), and fire protection system.• Installed, configured and maintained network devices such as routers, switches, firewalls and wireless access points.• Tested new hardware systems prior to deployment in production environments.• Managed firewall rulesets to ensure compliance with corporate security policies.• Reported network operational status by gathering and prioritizing information and managing projects.

Colombo, Western, Sri Lanka

• Provide Tier II/other support per request from the Help Desk• Collaborated with tech managers to address department issues and relay executive updates.• Prepared relevant, comprehendible technology reports for sharing with senior leaders.• Coordinated with vendors to ensure timely delivery of hardware, software, upgrades, and other IT-related services.• Provided users with technical support for computer problems.• Managed backup, security and user help systems.

Colombo, Western, Sri Lanka

Master Of Science In Information Technology, Information Technology

Certificate, Unix/Linux Fundamentals, Network & System Administration