Senior System Support Engineer, Oct 2021 – Current
Epic Lanka (Pvt) Ltd – Sri Lanka
- Led the successful implementation of 30+ Government (e.g., Immigration and Emigration, Foreign Ministry) and Banking Sector (Commercial Bank, Ceylinco) projects, ensuring compliance with industry regulations and security standards.
- Implemented robust IT infrastructures for government agencies, resulting in improved efficiency and data security.
- Led the design and implementation of Two-Tier and Three-Tier architectures (Linux 90%, Windows) in both on-premises (VMWare, ESXi 7.0, VCenter) and cloud environments (EC2, VPC, IAM, CloudWatch, EBS, EFS, S3) using Infrastructure as Code Terraform.
- Designed and implemented automated deployment workflows using Kubernetes and Ansible, and GitHub resulting in increased efficiency and consistency.
- Managed and optimized web servers (Nginx, Apache), middleware (Tomcat 8.0, Glassfish 5.0, JBoss 7.0), and database servers, including MySQL 8, MSSQL 2019, and MongoDB, Aurora, DynamoDB.
- Implemented and maintained database configurations, ensuring data integrity and optimal performance.
- Jira Ticketing system through client support, using monitoring tools such as Nagios Core, Prometheus, Logging analysis through Splunk tools and troubleshooting the issues with colleagues.
- Storage Management through cloud EBS, S3, EFS and Storage Area Network (SAN), Network Attached Storage (NAS), NFS, SMB.
- Successfully scripted (Python, Bash) and automated backup processes (Veeam), resulting in enhanced data security and recovery capabilities.
- Implemented server failure notifications, reducing downtime by 99% through quicker issue resolution. Optimized data processing workflows, improving overall efficiency by 75%.
- Successfully maintained a secure IT environment through systematic security patches updates and proactive measures.
- Enhanced overall system resilience by implementing and enforcing robust password policies.
- Contributed to a secure network environment by implementing effective intrusion prevention measures.
- Improved incident response times through the configuration and fine-tuning of notification alerts.
System Engineer, April 2023 – October 2023
MedcubeUSA LLC – USA - Remote
- Led the successful implementation of USA Medical project, ensuring compliance with industry regulations and security standards.
- Led the design and implementation of Three-Tier architectures on-premises with Windows and Linux platform.
- Managed and optimized web servers (Nginx), middleware, and database servers, including MSSQL 2022.
- Nginx server through load balancer, reverse proxy for frontend
- Replica setup to database server trough always high Availability, Fail over cluster.
- SSL implementation for web servers.
System Administrator, Nov 2018 – Oct 2021
IWS Holdings, Selmo – Sri Lanka
- Install, deploy, move, configure, repair, and audit corporate standard hardware and software including PC’s, workstations, printers, phones, smart phones and other technologies.
- Managed and optimized Windows Server 2016 and Linux server environments for diverse applications.
- Administered Active Directory, DNS, and DHCP services, ensuring seamless user authentication and network services.
- Led networking management initiatives, optimizing protocols and technologies for enhanced system performance.
- Troubleshoot hardware and software problems, including contacting vendors or other department peers for assistance.
- Implemented storage management strategies, optimizing data storage and retrieval processes.
- Utilized Office 365, SharePoint, OneDrive for cloud services, ensuring collaboration and productivity across the organization.
- Conducted monitoring activities using Nagios, Prometheus, proactively identifying and addressing issues.
- Excelled in troubleshooting scenarios, resolving system and network-related challenges promptly.
- Exceptional proficiency in professional written and spoken English, ensuring clear and effective communication in diverse business settings.
