Guide

DevOps build

Tier	Level	Knowledge	Scope
Junior	0(pre-require)	Docker	What is container. How to use container. Build & deploy.
Junior	1	Kubernetes	Kubernetes basic component (Pod, Deployment, Service, Ingress, Configmap, Secret, PVC, Mount). manifest apply.
Junior	1	Helm	Install 3rd party app without config anything.
Junior	2	Helm	Custom Template & Subchart
Junior	1	ArgoCD	Deploy app using ArgoCD
Junior	2	ArgoCD	Deploy app using ApplicationSet
Junior	1	GitLab CI	Basic CI & Single pipeline.
Junior	2	GitLab CI	Complex Pipeline with rule.
Junior	1	Terraform	Basic Terraform & deploy with Community module
Junior	2	Terraform	Custom own module
Junior	1	AWS Cloud	AWS Certified Solutions Architect course
Junior	1	Kustomize	Kustomize concept
Junior	1	Operator App	Prometheus Operator & Prometheus Stack
Junior	1	Operator App	ECK Stack
Junior	1.5	Operator App	Prometheus Service Monitor & Pod Monitor
Junior	1	Network	Security Group config, Route Table, Peering
Middle	3	Kubernetes	Toleration & Taints & nodeSelector & Resource request-limit & affinity
Middle	3	Helm	Install 3rd party app with production grade config.
Middle	3	Helm	Write 3rd party helm from zero.
Middle	3	GitLab CI	Share pipeline library across multiple Business Unit.
Middle	3	Terraform	Use some Terraform framework to manage multi-account / multi-environment / multi-region
Middle	3	Network	Troubleshooting
Senior	4	3rd party app	troubleshooting 3rd party app issue with code on GitHub
Senior	4	Architecture design
Senior	4	Performance Tuning