Nov 2020 – Jun 2025 · 4 yrs 7 mos

• Cloud Infrastructure & DevOps Architect with expertise across Azure, Kubernetes, and automation.
• Owned and managed Azure environments using Terraform with reusable, scalable modules.
• Served as an on-call engineer supporting 24/7 production systems with rapid incident resolution.
• Led incident response via xMatters and coordinated with Microsoft for RCA and mitigation.
• Guided developers on secure, cost-effective, and high-performing cloud architecture.
• Provisioned and upgraded AKS clusters with LTS and automated lifecycle management.
• Developed Helm charts and implemented GitOps with FluxCD for deployment consistency.
• Migrated AKS from service principals to managed identities with secret rotation policies.
• Built secure CI/CD pipelines in Azure DevOps with integrated compliance checks.
• Optimized AKS node pools by tuning SKUs to maintain performance and reduce costs.
• Led migration of deprecated Kubernetes APIs and tuned resources to reduce evictions.
• Enforced Azure governance with tagging, compliance monitoring, and auto-cleanup rules.
• Drove cloud cost optimization through orphaned disk cleanup, pricing tier reviews, and usage policies.
• Automated SQL DB scaling and Cosmos DB autoscale to eliminate overprovisioning.
• Controlled Log Analytics costs with data ingestion caps and refined retention settings.
• Decommissioned idle AKS clusters through phased cleanup and autoscaler activation.
• Conducted annual DR drills with defined RTO/RPO and cross-team coordination.
• Managed SSL cert lifecycle to ensure uninterrupted and secure Azure operations.
• Hardened IAM by using Cloud Custodian to auto-remove vulnerable RBAC assignments.
• Authored runbooks, led support onboarding, and centralized CI/CD for security and compliance.

Jan 2018 – Oct 2020 · 2 yrs 9 mos

Nov 2016 – Jan 2018 · 1 yr 2 mos · Bengaluru, Karnataka, India

• Migrated all on-premise systems to AWS as part of the core DevOps transformation team.
• Worked in AWS disaster recovery architecture for business continuity.
• Deployed and managed Chef frontend/backend servers with PostgreSQL, RabbitMQ, and Elasticsearch.
• Migrated Chef infrastructure to secure VPCs to meet compliance and security standards.
• Upgraded GitLab and Chef clusters; migrated 300+ repositories from SVN to GitLab.
• Built CI/CD pipelines using Jenkins, Git/SVN, Artifactory, Chef, and AWS CodeDeploy.
• Developed real-time AWS infrastructure inventory tool using Lambda and Python.
• Implemented Hygieia dashboard for monitoring Jenkins builds and Git commits.
• Automated LDAP password expiry alerts using Python scripting.
• Created custom Sensu checks and plugins using shell scripting for proactive monitoring.

Jul 2015 – Nov 2016 · 1 yr 4 mos · Greater Bengaluru Area

• Worked as a System SRE, maintaining DNS clusters, cloud platforms, monitoring tools, and storage systems.
• Provided 24/5 on-call support, engaging quickly to identify and resolve critical production issues.
• Managed Anycast/Unicast BIND DNS across enterprise-grade production and corporate networks.
• Administered OpenStack private cloud services including Nova, Keystone, Glance, and Horizon.
• Owned internal monitoring tools, alerting systems, and operational dashboards for system health.

Feb 2014 – Jul 2015 · 1 yr 5 mos · Bengaluru, Karnataka, India

• Monitored and maintained a large global server fleet across five data centers.
• Served in a 24/7 incident response team, handling infrastructure alerts and escalations.
• Performed OS installation and bootstrapping for bare-metal servers and KVM virtual machines.
• Managed Nagios monitoring systems, tuned alerts, and triaged incidents effectively.
• Supported Dell/HP hardware, RAID setups, LVM, and maintained detailed incident runbooks.

Sep 2012 – Feb 2014 · 1 yr 5 mos · Greater Coimbatore Area

• Provided remote cloud and data center support for global clients across various time zones.
• Migrated client applications from on-premise infrastructure to AWS cloud platforms.
• Supported cloud and virtualization technologies including AWS, Rackspace, Linode, OpenVZ, KVM, - Proxmox, and SolusVM.
• Set up and managed PowerMTA for high-volume bulk mailing operations.
• Administered Zimbra mail servers and managed hosting environments via cPanel, Plesk, Kloxo, ZPanel, and Virtualmin.