Hello! I am Yasantha Megasooriya. Warmly welcome to my portfolio.
As a Lead DevOps Engineer, I implement DevOps solutions for various projects. I leverage my skills and certifications in Kubernetes, Terraform, CI/CD, Ansible, and cloud technologies such as GCP and AWS. I engage in production incident troubleshooting to meet SLA/SLO and L3 support and optimize the cost and performance of the cloud environment.
I have 5+ years of experience in automating and optimizing mission-critical deployments over large-scale infrastructure, contributing to the success and efficiency of the organization. I graduated with a Bachelor of Science in IT from the University of Colombo. I am passionate about learning and applying new and challenging technologies to real-world problems. I have a strong sense of discipline, work ethic, and time management.
September 2025 - Present
Architected and implemented a dual-source artifacts fetching system in GitLab CI to support JFrog and Azure Blob Storage for all IFS Cloud non-Docker artifacts. Designed and provisioned multi-region, highly available infrastructure using Terraform to achieve resilience and scalability. Automated infrastructure provisioning and configuration management using GitLab CI, Terraform, and Ansible.
April 2024 - September 2025
Designed and developed a comprehensive Internal Developer Platform, enhancing developer productivity and streamlining software delivery processes. Owned the design, operations, and continued improvements of a multi-cloud (AWS/GCP) Kubernetes platform implementing GitOps with Argo CD and CI/CD with Concourse. Automated deployment processes and integrated with GitOps tools for Kubernetes using ArgoCD, Argo Workflows, and Argo Events. Managed secrets, identity, and compliance controls across environments using HashiCorp Vault and Kubernetes RBAC/ABAC.
April 2023 - April 2024
On-premise Kubernetes cluster installation, troubleshooting, automation, administration, and optimization of Kubernetes clusters and Docker environments. Automated infrastructure provisioning using Terraform combined with AWS, GCP, Helm, and Kubernetes provider. Implemented and maintained security best practices for Kubernetes clusters (EKS and GKE), working closely with engineering teams to ensure secure container orchestration and management. Configured and managed monitoring via Prometheus, Grafana, ELK, and Dynatrace.
September 2019 - March 2021
Automated repetitive tasks using Jenkins scripting, bash scripting, and Python scripting. Gained experience with networking, managed instance groups, load balancing, firewall configurations, and optimizing cost efficiency of cloud resources. Managed company active directory and worked on internal data center and network-related tasks and virtualization. Used agile methodology throughout the project, involved in weekly and daily release management.
The Linux Foundation
Certificate ID: LF-4b3dmemg9q
View Certificate
Amazon Web Services Training and Certification
Certificate ID: AWS01913672
View CertificateNovember 2024 - Present
University of Moratuwa
Currently pursuing Master of Science in Computer Science with specialization in Cloud Computing, focusing on advanced cloud technologies, distributed systems, and scalable infrastructure design.
January 2017 - May 2021
University of Colombo
Completed Bachelor of Science with honors in Information Technology and Management, developing strong foundation in software engineering, systems design, and IT management principles.