Tapeshhwar Roy

Senior DevOps / Platform Engineer with 6 years of experience managing Kubernetes at scale 100+ microservices across 10+ AWS EKS and Rancher-managed Kubernetes clusters. Expert in GitOps-based deployments (ArgoCD + ApplicationSets), service mesh (Istio), Kubernetes security & governance (Kyverno, RBAC), CI/CD automation (Jenkins, GitHub Actions), and high-availability architecture for stateful production workloads. Achieved zero-downtime deployments, infrastructure automation, and multi-region reliability at production scale.

Tech Lead / Platform Engineer - Nelson Consultants (Client: Comviva — Airtel South Africa Project)

(2025-05 - 2026-03)

• Managed Rancher-based Kubernetes workloads for 50+ microservices, ensuring high availability, system stability and reliable multi-region deployments
• Architected and implemented high-availability failover solutions for Kubernetes StatefulSets using Istio, Helm, and Bash automation, achieving zero-downtime deployments
• Configured Istio components (Gateway, VirtualService, DestinationRule) for traffic routing, failover handling, and zero-downtime deployments
• Managed and monitored Velero-based Kubernetes backup and restore processes
• Supported Kubernetes cluster deployments using Ansible playbooks, ensuring consistent environment setup
• Managed artifact flow between JFrog and Nexus repositories for controlled image distribution

Sr. DevOps Engineer - Ecom Express

(2023-07 - 2025-03)

• Managed and supported 10+ AWS EKS clusters hosting 100+ microservices across multiple environments (Dev, QA, Prod)
• Designed and maintained CI/CD pipelines for 20+ Java and Python applications using Jenkins, GitHub, and Maven
• Managed GitOps-based Kubernetes deployments using ArgoCD — Applications, ApplicationSets, automated sync, self-heal, and deployment reconciliation for microservices running on AWS EKS
• Containerized applications using Docker and pushed images to AWS ECR, enabling scalable deployments on Amazon EKS
• Managed GitOps-based Kubernetes deployments using Argo CD across Dev, QA, and Production environments
• Developed and maintained Helm chart-based deployments integrated with Argo CD GitOps workflows, and performed Kubernetes troubleshooting for CrashLoopBackOff, resource issues, and deployment failures
• Worked on AWS infrastructure (EC2, VPC, IAM, S3, EKS) for scalable and secure cloud environments
• Integrated SonarQube, Trivy, and OWASP ZAP into CI/CD pipelines for code quality and security
• Automated infrastructure provisioning using Terraform (S3 + DynamoDB remote state), reducing manual provisioning effort and improving deployment consistency
• Implemented monitoring and alerting using Zabbix, improving system observability and reducing incident response time

Sr. DevOps Engineer - Acert IT Solutions Pvt Ltd

(2019-11 - 2023-06)

• Designed and supported CI/CD pipelines and deployment workflows across environments
• Managed AWS infrastructure and Kubernetes-based deployments for production workloads
• Automated infrastructure provisioning using Terraform and Ansible
• Containerized applications using Docker for consistent deployments
• Supported production systems, troubleshooting issues and improving performance

B.Tech - Dr. MGR University