I'm qualified system administrator/devops with more than 3 years of experience.
I have expertise with the following technologies:
Linux maintenance (RHEL, Debian, Ubuntu, Gentoo etc)
Docker (Kubernetes, Docker Swarm, SkyDNS etc)
Deployment Management Tools (Ansible, Chef etc)
Virtualization (Openvz, Xen, KVM)
Cloud hosting (Google cloud, Amazon EC2, AWS, S3)
Networking (dhcp, dns etc)
Web servers (apache, nginx etc)
Databases (mysql, postgres etc)
Java programming
memcached, sphinx