Linux shell, RHCE (Red Hat Certified Engineer) will be additional benefit. Administer to provide top level support for 400+ servers (Centos and Ubuntu Linux) along with virtualized servers (Xen, VMware) and backups systems (BackupPC).
Breadth and depth of experience/Strong Knowledge with Linux, especially RedHat/Centos.
Experience/Strong Knowledge with Linux shell and other scripting languages (e.g. awk, sed, perl) and an understanding of regular expressions (e.g. s/ss*/_/g).
Experience/Strong Knowledge with kernel-based packet filtering (e.g. iptables, netfilter), masquerading, port forwarding and redirection.
Management of VMware based virtual servers.
Familiarity with agile development processes and tools.
Familiarity with TCP/IP stack and an affinity for troubleshooting and diagnosing network connectivity problems.
Experience with tools such as tcdump, wireshark and other packet sniffing tools.
Maintain the security posture of operational systems by applying and verifying patches in accordance with STIG compliance.
Perform ongoing performance tuning, hardware upgrades, and resource optimization as required.
So, if you are a Linux Systems Administrator that has what it takes to impress us, please apply today!