Sr. Infra / Cloud / DevOps Engineer with 12 years of experience managing large scale multi-cloud and Onprem Server architect. Proven expertise in Kubernetes on AWS, Terraform on AWS & GCP, and CI/CD automation. Successfully operated and optimized 15,000+ production servers, ensuring high availability, security and disaster recovery readiness. Hands-on experience across Linux platforms, Loadbalancing, monitoring. Passionate about Infrastructure automation using Shell and Python scripts, continuous improvement and effective cross-team collaboration through Jira and Confluence.
Overview
12
12
years of professional experience
3
3
Certification
Work History
Infra/Cloud Technology Specialist
Cognizant Information Technology Solutions Private Limited
Bangalore
01.2023 - Current
Designed and build Prod, Non-Prod Kubernetes (EKS) cluster on AWS, deploying containerized microservices with Secure networking, RBAC, secrets, pod security controls and secure Ingress traffic.
Architect and managed scalable infrastructure on Google Cloud Platform (GCP) using Terraform, Ansible and Jenkins (CI/CD) for automated infra provisioning and deployed applications in VM based environments.
Secured the secrets and credentials using HashiCorp Vault, enforcing access policies and inject during the deployment for enhanced security.
Managed for distribute application artifacts using Jfrog Artifactory supporting controlled traceable release process.
Implemented observability and monitoring infra behaviours using Elasticsearch, Kibana and integrate alerts with PagerDuty for incident response.
Manage and document DevOps processes and knowledge base using Jira for issue tracking and Confluence for collaboration.
Collaborate with cross-functional teams to optimize infrastructure reliability, scalability, and cost-efficiency through automation and best practices.
Sr. DevOps Engineer
Zoho Corporation Private Limited
Chennai, Tamil Nadu
12.2017 - 01.2023
Managed and operated 15,000+ Linux servers (CenOS, Debian, FreeBSD) across physical and KVM-based virtual environments, ensuring high availability, scalability and performance.
Design, customize and maintained standardized OS Images using Cobbler, enabling automated and server provisioning across Zoho's private cloud.
Build and managed KVM virtual infrastructure, supporting SaaS deployments and efficient resource utilization.
Secure and control Ingress and Egress networking traffic, working closely with NOC teams to ensure network stability, performance and fast incident resolutions.
Architect and operated L7-LB (Nginx) and L4-LB(Keepalived, IPVS) to support high traffic, fault-tolerant SaaS platform with zero downtime.
Manage SSL/TLS offloading, certificate lifecycle and automated cert renewals, ensuring secure compliant communication across services.
Configure and maintain systems using Puppet and Foreman, enforcing configuration consistence, compliance, and infrastructure standardization.
Architect and operate MySQL Clusters (2-node & 3-node clusters) with DR active-active replicas, Redis clusters.
Manage core DNS records (NS, A, CNAME, TXT, MX, PTR).
Actively member of implement DR Runbooks and execute DR drills.
Led Infrastructure knowledge sharing sessions, documented best practices in Confluence, and collaborated via Jira to streamline DevOps workflows and team efficiency.
System & Network Engineer
ThinkSynQ Solutions LLC
Chennai, Tamil Nadu
03.2016 - 12.2017
Managed and maintained a infrastructure of 500+ physical and virtual Linux servers across multiple distributions including RHEL, Ubuntu, Debian, and CentOS.
Prod applications deployed and administering cloud-based Linux environments on AWS (EC2, Route53, VPC, S3), ensuring scalability and reliability.
Skilled in configuring and securing network infrastructure using FortiGate firewalls, D-Link/HP switches, VLAN creation and managed, and network isolation techniques.
Experienced in setting up and managing Apache Tomcat and Nginx web servers with SSL/TLS termination for secure application delivery.
Implemented and maintained MySQL database clusters with high availability using built-in replication features.
Server Administrator
Inginerie Technologies
Chennai, Tamil Nadu
03.2014 - 03.2016
Installing & updating the ETM's Patch and troubleshooting HHD machines.
IP Address Configuring, Static and Dynamic & Accessing remote system through SSH.
Troubleshooting network connectivity using ping, ifconfig, netcat, route, ethtool.etc.
Installing software and applications with respected user's standards.
Managing and maintaining the servers, modem, routers & switches.
Responsible for installing system OS in various sites.
Have experience in Network configuration modem installation & system administration.
Manage Firewall production & system user accounts management assets.
Track and monitor the central server activities and update server problems to the technical support team.