Rangaraj

Architected and deployed multi-cloud CI/CD pipelines across AWS and Azure using GitHub Actions, Azure DevOps, and ArgoCD, improving delivery speed by 40%. • Automated provisioning of scalable infrastructure using Terraform, Ansible playbooks, and reusable templates to ensure consistency across environments. • Integrated DevSecOps tools including SonarQube, Trivy, Snyk, and Qualys into the CI/CD workflows to enforce security complian ce and reduce vulnerabilities by 60%. • Championed a FinOps-driven cloud optimization initiative, achieving 25% reduction in monthly cloud spend via rightsizing, reservation strategies, and autoscaling policies. • Led DR strategy and multi-region high-availability setup, ensuring <2 minutes RTO and <15 minutes RPO across critical workloads. • Spearheaded the migration of legacy applications to containerized workloads on Kubernetes (AKS, EKS,GKE), implementing Helm charts and k8s operators for resource efficiency. • Mentored junior engineers in infrastructure automation, CI/CD practices, and security integration; established internal DevOp s academy for skill upliftment. • Designed and maintained Grafana dashboards for real-time visualization and alerting of system performance metrics, integrating with Prometheus • Facilitated zero-downtime deployments using blue-green and canary strategies reduced change failure rate by 45%. • Collaborated with security, development, and platform teams to define cloud governance standards and compliance baselines

Directed 12+ cloud migration projects across AWS and Azure, achieving <30 mins of downtime and improving performance by 45% post-migration. • Designed and deployed high-availability infrastructure using Terraform and Ansible, reducing deployment errors by 60% and improving uptime SLAto 99.99%. • Led FinOps initiatives that cut cloud spend by $2 M over 3 years through resource rightsizing, scheduling automation, and reserved instance planning. • Embedded DevSecOps controls across pipelines using SonarQube, Trivy, and Nexus, decreasing critical vulnerabilities in production by 70%. • Managed 50+ CI/CD pipelines across development, QA, and production using Azure DevOps, GitHub, and Jenkins, reducing release cycle time by 35%. • Enabled hybrid cloud federation by integrating Entra ID for secure authentication across Azure enhancing system interoperability. • Administered 12 Kubernetes clusters (AKS, EKS), optimizing performance through patch automation, resource quotas, and custom operator deployments. • Deployed and operated highly available Informatica Cloud Secure Agents on AWS/Azure with Terraform auto-scaling/VMSS, least‐privilege IAM, secrets via Secrets Manager/Key Vault, and observability in CloudWatch/Azure Monitor achieved 99.9% uptime and ~40% lower MTTR. • Consolidated 400+ servers as part of datacenter rationalization strategy, saving $7 M in licensing and infrastructure costs over 3 years. • Automated 75% of compliance checks using Azure Policy, Sentinel, and Terraform achieving 100% audit readiness and reducing manual reviews. • Reduced incident resolution time by 45% using root cause automation techniques and integrated ServiceNow–Jira workflows.

Built and maintained 15+ reusable Infrastructure as Code (IaC) modules using Bash, reducing cloud onboarding time for enterprise apps by 40%. • Participated in over 20 architecture design discussions, aligning infrastructure deployments with evolving business and application needs. • Automated provisioning and daily operations for 100+ Unix/Linux servers, decreasing manual workload by 60%.• Executed 3 major data center migration projects, resulting in the consolidation of 250+ servers and validating 100% disaster recovery readiness. • Developed and validated automated backup and recovery plans for critical applications, achieving zero data loss incidents over 2 years. • Managed incident queues with 98% SLA adherence, and implemented recurrence-based fixes that reduced repeat issues by 50%. • Deployed and enforced network access control rules (NACLs, SGs) across 5+ environments, strengthening perimeter security and reducing unauthorized access attempts by 75%.