Linux Administration
Hardening, patching, backups, log rotation, and system services.
DevSecOps CI/CD
Security checks and delivery workflow: build → scan → deploy.
Terraform (AWS)
Infrastructure as code for repeatable environments.
Kubernetes
Deployments, services, ingress, config, probes.
Monitoring
Prometheus + Grafana dashboards and alerts.
Logging
Centralized logs with ELK/EFK or Loki.
Scripts (Python + Bash)
Automation scripts for health checks, backups, and operations.
Troubleshooting
Incident-style cases with commands, root cause, fix, prevention.
Reliability Docs
Runbooks, postmortems, SLI/SLO guidance.