Satyaki Dey

About Satyaki Dey

DevOps Engineer at Tata Consultancy Services (TCS), leveraging to design, containerize, and manage cloud-native applications on AWS. Developed secure, lightweight Docker images and standardized deployments using Kubernetes (EKS) and Helm/Kustomize, significantly improving onboarding time for new services. Proficient in creating end-to-end CI/CD pipelines with Jenkins and AWS CodePipeline, integrating security scans and automated testing. Holds multiple certifications, including Microsoft Teams Administrator Associate and Oracle Cloud Foundation Associate, demonstrating expertise in cloud and infrastructure automation.

Experience

1. Devops Engineer

   Tata Consultancy Services

   Aug 2020 — Present · Kolkata, IN

   Container Platform & Kubernetes (EKS)Designed and operated multi-tenant EKS clusters using node groups and Fargate, enforcing security via RBAC, Pod Security Standards, and AWS IAM Roles for Service Accounts (IRSA). Built Helm/Kustomize-based deployment templates enabling standardized rollout patterns, reduced onboarding time for new services by 40%.Docker & Image Supply ChainDeveloped minimal, multi-stage Dockerfiles reduced image sizes by up to 60%, using Destroyless Images. Established ECR policies, tag immutability.CI/CD & Release EngineeringBuilt end-to-end pipelines with Jenkins/AWS-CodePipeline integrating unit/integration tests, container build, security scans, and Helm deploy to EKS.AWS Infrastructure & IaCProvisioned VPC, subnets, NAT, security groups, EKS, ECR and CloudFront via Terraform, enforced environments through workspaces and modules. Automated secrets with AWS Secrets Manager and SSM and implemented parameterized configurations per ENV (DEV/STAGE/PROD).Observability & ReliabilityCentralized logging with CloudWatch Logs and metrics with Prometheus and Grafana, dashboards, and alerting reducing incident resolution time by 35%.Security, Governance, and Cost OptimizationEnforced least-privilege IAM. Implemented right-sizing and autoscaling policies, lifecycle policies for S3/ECR, and compute savings plans which achieved ~20–30% cost reduction.Key AchievementsMigrated 10+ microservices from EC2 to containerized workloads on EKS, improving deployment lead time from hours to minutes. Standardized CI/CD workflows across teams, increasing deployment frequency from weekly to multiple times per day. Reduced cloud spend by ~25% through autoscaling, rightsizing, and storage lifecycle policies without performance degradation.

Education

• University of Calcutta

  BSc, Computer Science