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Lakshitha Kothalawala

Lakshitha Kothalawala

DevOps Expert

85/1 Magammana, Homagama, Colombo, SL, 10200
(+94) 77 9941 882
English

Background


About

About

I’m a DevOps enthusiast with a strong focus on cloud-native systems and infrastructure automation. I have hands-on experience designing, deploying, and managing scalable cloud environments, automating application delivery, and improving system reliability, performance, and operational efficiency.

Work Experience

Work Experience

  • Associate DevOps EngineerVforesee Technologies Pvt. Ltd

    Aug, 2025 - Present

    Description

    • Provisioned and managed 200+ AWS accounts using Terraform to support student lab environments, implementing IAM roles and policies to enforce isolation and prevent users from deleting or modifying other students’ resources (EC2, RDS, S3).

    • Designed and implemented a production-grade monitoring and alerting stack using Prometheus, Grafana, Alertmanager, and Thanos, including alert routing and runbook URLs to guide on-call response and incident handling.

    • Deployed monitoring and platform tools on Kubernetes clusters, and implemented automated backup workflows using Jenkins CI/CD pipelines and Kubernetes CronJobs, backing up data to Google Drive and MinIO.

    • Deployed and managed multiple self-hosted, cloud-native applications on Kubernetes, including: Dokuwiki, Flectra, Invoice Ninja, LimeSurvey, Mattermost, Mixpost, Odoo, PostHog, Taiga, Cal.com, Excalidraw, Ghost, LanguageTool, Matomo, Mautic, n8n, OpenKM, SerpBear, Zammad, MinIO, Nextcloud, and Vaultwarden.

    • Built a custom DevOps automation agent using CrewAI to support operational workflows and intelligent task automation.

    • Deployed a Flask + PostgreSQL application on AWS EC2 with DNS and SSL/TLS configured via Amazon Route 53, then migrated the complete architecture to Kubernetes to enhance scalability and operational efficiency.

    • Dockerized and deployed applications written in .NET, Go, PHP, Python, Django, Express.js, Java, and Ruby, successfully running them in Kubernetes environments using container best practices.

  • Trainee DevOps EngineerVforesee Technologies Pvt. Ltd

    Jan, 2025 - Jul, 20256 months

    Description

    • Worked with AWS, gaining hands-on experience with EC2, S3, RDS, EKS, IAM, and Route53.

    • Containerized applications using Docker and deployed them on Kubernetes clusters.

    • Managed and configured WireGuard VPN for secure access.

    • Built nested VMs on bare-metal servers and deployed Rancher RKE2 Kubernetes clusters.

    • Deployed and managed production-ready databases (MySQL, PostgreSQL, MongoDB) on Kubernetes.

    • Automated tasks and monitoring using Python scripts, including daily server log checks and network performance tracking.

    • Migrated WordPress sites to Kubernetes environments.

    • Implemented monitoring and alerting solutions with Prometheus, Grafana, Alertmanager, and Thanos.

    • Deployed collaboration and productivity tools like Mattermost and KiwiTCMS on Kubernetes.

    • Set up CI/CD pipelines using Jenkins, GitLab CI, Nexus, SonarQube, and MinIO for automated application deployment.

    • Mentored and guided students and newcomers on DevOps best practices.

Skills

Skills

  • Cloud Platforms

    AWS (EC2, RDS, S3, Route53, ELB/ALB, VPC, IAM)

    Google Cloud Platform (GCP)

    Microsoft Azure

    DigitalOcean, Linode, Oracle Cloud

  • Containerization & Orchestration

    Docker, Docker Compose

    Kubernetes (Rancher, Amazon EKS, K3s, RKE2)

    Helm (chart management and deployments)

    Containerd

    Istio (service mesh)

  • Infrastructure as Code & Automation

    Terraform

    Ansible (configuration management & deployments)

  • CI/CD & Build Tools

    Jenkins

    GitLab CI

    GitHub Actions

    Maven, Gradle

  • Version Control & Collaboration

    Git, GitHub, GitLab

  • Monitoring & Observability

    Prometheus, Grafana, Alertmanager, Thanos

  • Web Servers & Reverse Proxies

    Nginx, Apache

  • Databases & Storage

    MySQL, PostgreSQL, MariaDB, MongoDB, ClickHouse

    Redis (caching)

    MinIO (S3-compatible object storage)

  • Operating Systems & Virtualization

    Linux (Ubuntu, Debian, Kubuntu), Windows

    VirtualBox, VMware, KVM

  • Scripting & Programming

    Bash, Python

  • Security & Networking

    SSL/TLS, Certbot, Let's Encrypt

    WireGuard, Tailscale (VPN)

    DNS management

  • Other Tools & Productivity

    JIRA (ticketing)

    scp, rclone (file transfer)

    Vaultwarden

    Editors: Vim, Nano

    n8n (workflow automation), CrewAI

    WordPress (CMS deployments)

Education

Education

  • Bachelor of Science in Management Information Systems, (Special), NSBM Green University

    Jan, 2019 - Dec, 2022