Programming languages - PHP, Python, Bash
Containers & orchestration - Docker, K8S (including on-prem cluster bootstrapping), AKS, EKS, GKE
Infrastructure automation - Chef, Ansible, Helm
Version control - SVN, Git
Task management - Jira, OTRS, Service Now
Cloud platforms - AWS, Azure, GCP
Infrastructure provisioning - Terraform, Vagrant
CI/CD - ArgoCD, GitLab, GitHub Actions, Azure Pipelines, Jenkins
Observability - ELK Stack, Grafana Stack, Prometheus
DevSecOps - SAST, SonarQube, IaC compliance (Checkov), container vulnerability scanning (Trivy)
Vector/Data stores - Weaviate, PostgreSQL (pgvector)
AI/ML - Context engineering