DevOps Engineer
Master Linux, Docker, Kubernetes, Terraform, CI/CD pipelines, and cloud observability.
1. Beginner
System administration and terminal mastery.
Advanced Linux Internals
Kernel namespaces, cgroups, systemd, iptables/nftables, storage volume types.
2. Foundation
Networking protocols and version controlled infrastructure.
Cloud Networking & Protocols
CIDR blocks, VPC subnets, NAT gateways, route tables, DNS, SSL/TLS termination.
3. Core Skills
Containers and automated build pipelines.
Docker & Container Runtimes
OCI spec, layered caching, rootless containers, multi-arch builds, security scanning.
CI/CD Pipeline Automation
GitHub Actions, GitLab CI, semantic release, artifact registries, canary rollouts.
4. Framework
Container orchestration with Kubernetes and Infrastructure as Code.
Kubernetes (K8s) Production Architecture
Pods, Deployments, Services, Ingress, ConfigMaps, Secrets, HPA, Helm charts.
Terraform & OpenTofu (IaC)
HCL syntax, state management, remote backends with S3/DynamoDB, module patterns.
5. Real Projects
Deploy and monitor realistic cloud infrastructure.
Production EKS/GKE GitOps Deployment
ArgoCD gitops controller, automated certificate manager, ingress-nginx.
6. Advanced
Site Reliability Engineering (SRE) and Observability.
Prometheus, Grafana & OpenTelemetry
Metrics, logs, traces (LGTM stack), golden signals, alerting rules, SLO/SLA.
7. Interview Prep
Incident post-mortems, failure scenarios, and architectural defense.
Incident Response & Troubleshooting
OOMKilled pods, high CPU throttle, DNS latency spikes, network partition triage.