Nuwan Vithanage Email & Phone Number

Provided high-quality, responsive, and consistent resolutions to IT Incidents.• Made improvements to system efficiency.• Supported and maintained server infrastructure.• Managed the Infrastructure incident support queues activities on a day-to-day operational basis.• Worked closely with other Operations teams and vendors to ensure there was a coordinated approach to infrastructure support.• Worked on periodic server patching schedules and acted as an escalation point.• Maintained knowledge of current and future information security threats and challenges.• Worked on a 24/7 roster to provide Realtime support to international clients.

Singapore

-Securing and fine-tuning Linux systems, ensuring reliability and performance in various enterprise environments.-Responsible for AWS infrastructure setup and management, optimizing cloud resources for scalability, and ensuring high availability.-Leveraging Terraform for Infrastructure as Code (IaC), automating resource provisioning and streamlining infrastructure management on AWS.-Driving CI/CD pipelines with Jenkins and GitLab, automating software delivery processes and enhancing efficiency in deployment workflows.-Leading container orchestration efforts with EKS and Docker Swarm, enabling flexible and efficient application deployment and scaling.-Utilizing ELK for real-time log analysis and Sentry for proactive error tracking, ensuring robust application performance.-Managing comprehensive monitoring solutions with Grafana, Nagios, and Prometheus, enabling proactive performance optimization.-Python enthusiast proficient in developing solutions and automations with Python, enhancing workflows and data processing.

Colombo District, Western Province, Sri Lanka

Worked under the DCO_Unix team as an L2 member, responsible for the below tasks for the Toyota Financial project.Managed Solaris Control Domains (Physical Servers) where LDOMs (Logical Domains) ran on them.Implemented VCS (Veritas Cluster) on these LDOMs for the application across 120 Solaris servers.Oversaw Linux environments: Data Centers were TCX and TCD Link, with around 2400 Linux VMs running.Maintained VMS and troubleshooted issues.Maintained and troubleshooted EMR Clusters.Added disks as needed.Conducted migrations of VMs when required.Took snapshots of VMs.Added datastores to VMs.Managed ACM disks in Oracle RAC environments on VMs.Performed daily patching from the Redhat Satellite server.

United Kingdom

Managed and maintained fully automated PBN and WP hosting platform along with Zabbix Monitoring and Ansible.- Managed https://www.seekahost.app/ team members and https://www.seekahost.co.uk members along with Minecraft team members.- Maintained and managed WP client website with Payment Gateway and Woocommerce.- RND and implemented fully automated wordpress hosting on K8 AWS clusters.- Integrated complex SEO system along with Clickdo SEO. Build debug tool along with Paul Frederik de Zwaan - SRIservices Mexico (companies send a lot of ajax requests to the system to store the bugs (these are coming via API or HTTP or HTTPS)- Build fully automated DB and content backup system for PBN and WP.- Design setup and maintain Zero downtime deployment with Ansible.- Design, develop and single sign on system with google.

Colombo District, Western Province, Sri Lanka

- Worked US based client new frontiers data and Equio Cannabis data Platform in USA.- Managed and maintained Blue/Green deployment for new frontier data and Equio Cannabis data Platform.- Worked for Simplifya project. It is an expansive compliance software for the cannabis industry.- Maintenance their infrastructure and manage all Devops work as lead DevOps Engineer.

Australia

- Worked for an Australian based travel management company - Intrepid Travel- Managed and maintained all Linux based systems and all intrepid related web sites content along with the web team.- Maintained and migrated their legacy infrastructure with checkpoint and fortigate.- Maintained and managed Intrepid Colombo website.- Analysed existing technology and software to propose the best technical solution for the company.- Implemented Chef automation, Ansible Tower for CI/CD and automation.- Firewall changes, monitoring and management according to ITIL process.- Worked under the direct supervision of the service operation /- Infrastructure manager in Melbourne on a daily basis.- Maximized Network and System performance by monitoring performance on hardware and software.- Provided remote troubleshooting and fault finding if issues occur upon initial installation.- Designed setup and maintained Peak leader website and FTP portal.- Designed setup and maintained Zero downtime deployment with Ansible

Colombo, Western Province, Sri Lanka

- Designed infrastructure for Ticket.lk- Performed necessary action on troubleshooting website and system access.- Configured issues and validated and tested code for bugs.- Implemented and maintained Zabbix, Cacti monitoring system for all the ISPs integrated with Ridgecrest Asia SMS portal.- Setup Link LK Airline reservation agent website.- LDAP Account synchronization project.

Dubai, Dubai, United Arab Emirates

- Managed and maintained Onyx Industries network infrastructure, their official website and all the hardware appliances.- Worked for JW Marriott Marquis Hotel.- IPTV / HITV implementation.

Pita Kotte

- Setup Moodle learning Management system for CSCT.- Manage and maintain their IT Lab environment