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sathish-sign/README.md

Hi there πŸ‘‹

$ whoami
  DevOps Engineer & Site Reliability Engineer

$ cat interests.txt
  infra-as-code Β· containers Β· observability
  automation Β· reliability Β· scalability

Visitors Experience Focus


About Me

I'm a DevOps / SRE engineer with 5+ years of experience building and operating cloud-native infrastructure across AWS, GCP, and Azure. I've managed 100+ Kubernetes clusters, worked across multi-cloud environments, and supported platform teams running 10–50 microservices in production.

My day-to-day spans designing CI/CD strategy, managing cloud infrastructure, writing IaC, and owning observability β€” from building pipelines from scratch to responding to incidents and improving reliability through SLOs and error budgets.

I care deeply about reducing toil, keeping systems observable, and building infra that teams can trust.

  • πŸ”§ Currently working on: hardening Kubernetes cluster operations & preparing for CKA
  • 🌍 Multi-cloud: AWS Β· GCP Β· Azure β€” all three in production
  • πŸ“‰ SRE practices: SLOs, error budgets, runbooks, blameless postmortems
  • πŸ” CI/CD: designing org-wide pipeline standards across teams

🧠 Expertise

Area Level Notes
☸️ Kubernetes & Containers ⭐⭐⭐⭐ 100+ clusters β€” management, networking, upgrades & moving towards multi-cluster HA
πŸ” CI/CD & GitOps ⭐⭐⭐⭐ Design & own org-wide pipeline strategy β€” GitHub Actions, ArgoCD, Flux
☁️ Cloud Infrastructure ⭐⭐⭐⭐ Multi-cloud (AWS/GCP/Azure) β€” account management to architecture
πŸ“Š Observability ⭐⭐⭐⭐ Mix of strategy design, dashboard building & platform setup
πŸ—οΈ IaC β€” Terraform ⭐⭐⭐ Write & refactor modules, not yet full multi-env architect
πŸ” Secrets & IAM ⭐⭐⭐ Vault, ESO, cloud-native secret managers & RBAC design
πŸ’Ύ Backup & DR ⭐⭐⭐ Velero, runbook automation, SLO/Error Budget ownership

⭐⭐⭐⭐ Advanced  |  ⭐⭐⭐ Intermediate  |  ⭐⭐ Familiar


πŸ› οΈ Tech Stack

☁️ Cloud

AWS GCP Azure

πŸ“¦ Containers & Orchestration

Docker Docker Compose Kubernetes Helm containerd K9s Lens

🚒 Managed Kubernetes

EKS GKE AKS k3s

βš™οΈ K8s Add-ons & Scaling

Cilium Karpenter Cluster Autoscaler Crossplane HPA/VPA Reloader AWS LBC cert-manager

πŸ—οΈ Infrastructure as Code & Config Management

Terraform Ansible CloudFormation Packer AWS SSM

πŸ” CI/CD & GitOps

GitHub Actions Jenkins ArgoCD Argo Workflows Flux CD Temporal

πŸ“Š Monitoring, Logging & Observability

Prometheus Grafana VictoriaMetrics Alertmanager EFK Stack OpenTelemetry Fluentd AWS CloudWatch PagerDuty

πŸ” Secrets, IAM & Security

Secrets Management

Vault External Secrets AWS Secrets Manager GCP Secret Manager Azure Key Vault

Identity & Access

AWS IAM Azure AD Keycloak SAML/OIDC AWS Organizations

Scanning

Trivy SonarQube

🌐 Networking & DNS

Route53 Cloudflare cert-manager AWS ALB Nginx Kong AWS Transit Gateway VPC Peering PrivateLink Azure VNet GCP VPC

πŸ“¨ Messaging, Serverless & Registries

Message Queues & Event Streaming

Kafka AWS SQS/SNS EventBridge Google Pub/Sub Azure Service Bus

Serverless & FaaS

AWS Lambda Cloud Functions Azure Functions

Container & Artifact Registries

ECR ACR GCR GitHub Packages

πŸ—ƒοΈ Databases (operational awareness)

PostgreSQL MySQL MongoDB Redis DynamoDB AWS RDS Elasticsearch Cassandra ClickHouse

Operational knowledge β€” backup, restore, access management, monitoring & scaling. Not a DBA.

πŸ’Ύ Backup, DR & Site Reliability

Velero AWS S3 PagerDuty

πŸ” Kubernetes workload backup & restore with Velero
πŸ“¦ Object storage versioning & lifecycle policies with AWS S3
πŸ“‹ Runbook automation β€” codified incident response playbooks
πŸ“‰ SLO / SLA / Error Budget tracking with Prometheus & Grafana
πŸ”₯ Incident management & postmortems β€” blameless culture, RCA ownership
πŸ’» Languages, Scripting & Tooling

Languages & Scripting

Linux Bash Python Go HCL Groovy YAML

Version Control

Git GitHub Azure Repos

Productivity & Tooling

Jira Linear Confluence Slack Notion VS Code Vim


🎯 Currently Learning

CKA

πŸ“š Preparing for CKA β€” Certified Kubernetes Administrator
πŸ”„ Deepening expertise in cluster administration, networking & troubleshooting

GitHub Stats

GitHub Stats

Top Languages

GitHub Streak


Infrastructure is code. Reliability is a feature.

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    My GitHub profile