Devops Engineer / Linux Systemadministrator

Redhat/CentOS, Ubuntu/Debian, Gentoo, Jira, Redmine, OTRS, RT, Keepalived, HAProxy, Nginx, Varnish, Dante, Squid, KVM, VMware ESXi, Docker, LXC, Pfsense, OPNSense, Fortigate, Firewalld, IPTables, OpenvSwitch, Brocade, zyxel, OpenVPN, IPSec, Wireguard, DNS, DHCP, PXE, LACP, VLAN, Icinga2, check mk, Nagios, Grafana, Prometheus, Graphite, Cacti, Matomo, SNMP, Elasticsearch, Logstash, Kibana, Graylog, Filebeat, APM, Postfix, Dovecot, LDAP, FreeIPA/389 Directory Server, Active Directory, PGP, S/MIME, LUKS, OpenSSL, Bitlocker, 2F-Auth/OTP, MySQL/MariaDB/PerconaDB (Galera, Master-Slave, Master-Master),
PostgreSQL, Influxdb, mongodb, Apache Ignite, Redis-Sentinel, Apache Kafka, RebbitMQ, Apache, Nginx, Lighttpd, Bash, Python, PHP, Ruby, GlusterFS, NFS, NFS-Ganesha, Samba, Ansible, Chef, Puppet.