Navindu Jayatilake

Experience

• 

  Pearson

  Oct 2019 - Jul 2021

  ✔️ Supported Prod and Non-Prod deployments of applications. (with CodePipeline and Jenkins)✔️ Provided L2 support for the development teams✔️ Optimised application infrastructure with Terraform✔️ Managed On-call Priority incidents✔️ Optimised applications by storing their sensitive data in AWS Secrets Manager. Modified Chef Cookbooks to read and fetch the secrets from AWS Secrets Manager during the runtime via AWS OpsWorks✔️ Setup monitoring with CloudWatch and Newrelic✔️ Setup PagerDuty alerts Show less ✔️ Created a notification system that notifies scheduled AWS EC2 maintenance events to DevOps engineers as well as to relevant development teams and an actionable dashboard that displays cross-account EC2 events. ✔️ Technologies Used: Vue.js, DynamoDB, AWS Lambda with Python 3 boto3 SDK, NodeJS for backend, EC2, Amazon API Gateway, Terraform for IaC✔️ Automate tagging AWS resources✔️ Automation to detect unused AWS resources (ex: A script that gives you unused S3 buckets for the last 90 days)✔️ Provided L2 support✔️ Supported deployments with non-production releases Show less

  • Associate Site Reliability Engineer

    Nov 2020 - Jul 2021

  • DevOps/Application Engineer

    Oct 2019 - Oct 2020
• 

  Sysco LABS Sri Lanka

  Jul 2021 - Oct 2023

  ✔️ Developed a modularized Kubernetes Platform for the use of Internal development teams✔️ Developed GitHub action workflows for Continous Integration that includes Unit Testing, Sonar testing, Terrascanning (If it is an Infra pipeline), Docker build, and publishing. And make use of reusable workflows.✔️ Developed Helm charts (more comprehensive and common charts) that can be used by the entire team verticle. ✔️ Done GitOps-based deployments for non-production and production Kubernetes clusters with ArgoCD. - Monorepo approach for Gitops/Charts repo(This is for Java Springboot related applications) - Argo Apps of Apps - Multi-cluster deployments✔️ Integrated Hashicorp Vault with Kubernetes platform and fetch build and runtime application secrets that need to run the application✔️ Integrated External Secrets Operator (ESO) to store and manage cluster secrets with Vault✔️ Working with Trunk-based and Gitflow branching strategies Show less ✔️ Improved infrastructure of Legacy applications✔️ Designed and implemented ECS Fargate deployment strategy for Microservice-based Springboot application and generalize a common strategy across the board✔️ Automation(Jenkins pipeline) to create, update and delete secrets stored in AWS Secrets Manager✔️ Providing L2 Support for the Application Teams✔️ Govern the Release Management Process✔️ Implement a centralized Jenkins for applications runs on top of ECS Fargate with Credentials stored in AWS Secrets Manager for improved security✔️ Automation script to rotate secrets stored in AWS Secrets Manager and a notification mechanism✔️ Automation of continuous integration and deployments. ✔️ Infrastructure deployment with Terraform ✔️ Application deployment with Docker compose, ECS ✔️ Configuration management with Ansible✔️ Optimized Terraform scripts for security by storing their sensitive data in AWS Secrets Manager✔️ Integrating Datadog Logs/APM with Applications✔️ GitHub Enterprise Cloud Migration✔️ Ensure all AWS/Cloud accounts are up to standards, following the best practices, if not do the required optimizations. i.e Cloud Custodian, Kenna Security✔️ Migrate GoCD Pipelines to Jenkins✔️ Migrate Concourse Pipelines to Jenkins Show less

  • Senior Site Reliability Engineer

    Aug 2022 - Oct 2023

  • Site Reliability Engineer

    Jul 2021 - Aug 2022
• 

  Insighture

  Oct 2023 - May 2024

  Associate DevOps Lead

  ✔️ Design and implementation of the underlying infrastructure of https://www.skyu.io - the Internal Developer Platform✔️ DevOps Consulting

• 

  Sysco

  Jun 2024 - now

  Associate Technical Lead - DevOps