Provisioning and managing virtual machines on AWS.

Launching, sizing, and hardening EC2 instances; attaching security groups and IAM instance roles.

Object storage for static assets, backups, and logs.

Bucket policies, versioning, lifecycle rules, and static hosting.

Identity and access management for AWS accounts.

Writing least-privilege policies, roles for services, and access reviews.

Day-to-day server administration on Linux distributions.

Process, disk, and network troubleshooting using core CLI tools.

Automation scripts for repetitive operational tasks.

Backup scripts, log rotation, health checks, and deploy helpers.

Containerizing applications for consistent environments.

Multi-stage builds, image slimming, and local dev environments.

Orchestrating containerized workloads at scale.

Deployments, services, ingress, and troubleshooting pod lifecycle issues.

Package manager for Kubernetes manifests.

Templating and versioning application releases.

Automation server for build and deploy pipelines.

Declarative pipelines wired to build, test, and deploy stages.

CI/CD workflows triggered from GitHub events.

Lint, type-check, test, and build workflows on push/PR.

Infrastructure as code for provisioning cloud resources.

Writing modules, managing remote state, and planning changes safely.

Configuration management and simple orchestration.

Idempotent playbooks for server configuration.

Metrics collection and visualization stack.

Instrumenting exporters and building dashboards/alerts.

Native AWS monitoring, logs, and alarms.

Metric alarms, log groups, and dashboards for AWS workloads.

Network-level access control on AWS.

Restricting inbound/outbound traffic to the minimum required.

Core networking concepts underlying cloud infrastructure.

VPC design, subnetting, routing, and DNS troubleshooting.

Scripting for automation and tooling.

Small automation utilities and API scripts.