"Now You Know, Inc", the leading provider of websites for Chiropractors has an immediate opening for a system administrator. See www.nowyouknow.net for more information about our company. The position is responsible for managing production systems. Servers - RHEL Linux, Apache, Exim/Dovecot, PowerDNS, MySQL, PHP Networking - TCP/VLAN/VPN/IPv4/IPv6 Required knowledge: RHEL 7/8/9 - troubleshooting, installation, updates, backup, recovery Linux - command line proficiency over SSH Understanding of internet-based email systems (SMTP, POP3, IMAP, SSL/TLS) Networking TCP/IP and Ethernet - resolving issues, installing, configuring Apache administration MySQL administration [with replication] DNS management SSL certificate management Script automation in Bash and PHP Good teamwork (communication, cooperation). Diligent, pro-active, organized, thorough. Preferred: Web development knowledge (HTML, PHP, CSS, Javascript) Experience administering Exim/Dovecot Experience with GIT Systems security (IPTABLES/Suricata/Fail2Ban), Spamassassin, malware prevention Build custom SRPM/RPM packages and manage internal repository Involvement with Chiropractic