👨💼 Senior SRE / DevOps Consultant with 9+ years of hands-on experience
✨ Platform Engineering · ⎈Kubernetes · ♾️CI/CD · 🔭Observability · ⚙️Automation
🌱 Learning: 👨🏻💻Golang
📫 sagar.rajput27@live.com | GitHub | Medium | LinkedIn | Infrastructure Optimization
I'm a seasoned Site Reliability Engineer & DevOps Consultant with over 9+ years of hands-on experience across enterprise and startup environments. I specialize in infrastructure automation, cloud-native platforms (AKS, EKS, GKE, and on-prem), and scalable CI/CD systems.
Passionate about building zero‑downtime, self‑healing, and observable systems that empower engineering teams to move faster with confidence. Always exploring tools that enhance reliability, velocity, and efficiency in cloud-native ecosystems.
Spearheaded Kubernetes (EKS, AKS, GKE, on-prem) rollout for 43+ prod environments, reducing deployment time by 70% and ensuring 99.99% uptime. Automated CI/CD via GitHub Actions, Jenkins & ArgoCD, cutting manual release effort by 80%.
Designed internal platforms with Terraform, Ansible, Helm/Kustomize to support 47+ microservices. Enabled zero-downtime deployments and implemented GitOps, boosting release frequency by 3× and reducing rollbacks by 60%.
Led modernization for 25+ core applications to AWS/Azure. Standardized infra-as-code, cut MTTR by 40%, and reduced critical incidents by 35% via Prometheus, Grafana, and ELK integrations.
Golang-based K8s webhook to restrict images to a specific registry.
Go Kubernetes Admission ControllerTerraform modules for automating secure VPN tunnels in AWS.
Terraform AWS NetworkingExperimental backend for Backstage.io with GitHub & Jira SSO via env vars.
Node.js Backstage AuthDefines namespace isolation and egress rules using Cilium in Kubernetes.
Cilium K8s Network PolicyAutomated K8s cluster provisioning using Ansible roles and playbooks.
Ansible Linux KubernetesProvision scalable EC2 clusters with Terraform-managed ASGs.
Terraform AWS EC2