Infrastructure → Platform → Development → Application → Operations

• IT Operations & Management (System administration & monitoring, Hosting setup & support, Backup & Recovery...)
• Applications & Solutions (CMS like Typo3/Wordpress, CRM/DMS, Collaboration tools...)
• Software Development (Frontend, Backend, Mobile, API & microservices...)
• Platform (Operating systems, Middleware, Web Server, Database...)
• Infrastructure & Hardware (Storage, Network, Firewall, VPN...)