- Master:
- ansible
- IT architecture
- PostgreSQL
- Load Balancers
- Server hardware
- Mass Storage Deivces
- Security Procedures/Politics
- Virtualization (Hyper-V,VMWare,Digital Ocean,Amazon etc.)
- Linux
- Windows
- Backup
- Monitoring (zabbix,nagios,collectd etc.)
- java/tomcat/proxy stack
- Documentation
- Troubleshooting
- Advanced:
- Networking (Firewalls,Switches etc.)
- atlassian (jira,confluence,crowd)
- Disaster Recovery
- Windows Server (MSSQL,Active Directory,Exchange)
- git
- build servers (bamboo,jenkins)
- postfix
- Docker
- coding (php,ruby,python,perl,javascript,/bin/bash,powershell)
- Mobile Application Development
- Project management
- Quality Assurance