As linux sys admin over years I've been working on many projects/setup on different server environments and here is something I've been working with/as:

- linux system administration (Debian, Ubuntu, CentOS, Cloudlinux)
- Hosting Administrator (Plesk Parallels / cPanel / WHM / ISPConfig)
- L2/L3 customer support/hosting support
- basic and advanced shared/dedicated server support/maintenance/administration/troubleshooting (working in 24/7/365 environment)
- Linux server management and maintenance (LAMP/LEMP)
- (dedicated/private/shared) on the AWS, GCP, Azure, DigitalOcean,Hetzner, Hosteurope, Serverloft/Server4you, OVH, etc.
- mail troubleshooting (finding spam source, improving server reputation, de-listing)
- cleaning infected CMS Systems (like Wordpress, Joomla and similar)
- ssl cert installation and configuration for A/A+ score
- server hardening/security (firewall con{​​​guration, best practices, etc)
- openvz, vmware virtualization, openvpn, vcloud director
- firewalls: pfsense, sonicwall, apf, csf
- bash scripting, automation (ansible)
- custom php installation from source, PHP fine tuning, optimization, LAMP/LEMP stacks (and optimization)
- server monitoring and troubleshooting (zabbix, nagios)
- manual QA
- additional knowledge with DNS, CDN (e.g. Cloudflare), Gitlab
- many other stuff

Feel free to ask anything in addition.

Work Terms

Part-time, Full-time, monthly basis server management, hourly