another linux admin job description

Responsibilities:
* The Sr. Systems Administrators will be charged with the following responsibilities:
* Utilize basic project management skills so that tasks and project deadlines are met.
* Leverage and build upon Ticketmaster's open-source configuration management system (Spine).
* Maintain server and network security.
* Manage issues dispatched by systems support analysts (NOC group).
* Prioritize, coordinate and deliver special technology projects.
* Evaluate new technologies (R&D).
* 24/7 on-call duties at approximately once every 6 weeks.
* Travel to hosting sites if needed in emergencies.

Qualifications:
* 5+ years of Linux/UNIX server administration experience.
* In-depth understanding of Linux/UNIX fundamentals including kernel subsystems (scheduler, VM, etc), system calls, inter-process communication, process/resource management and file systems.
* Demonstrated problem analysis and resolution skills.
* Administration in an environment with 100+ systems.
* Extensive knowledge of Apache, including performance tuning for high-volume web traffic. Mod_perl and/or JBOSS experience is a plus.
* Automation experience, preferably using Perl, Python or Ruby and the ability to read and understand code written in C.
* Installation, configuration and troubleshooting of services such as DNS, SMTP, SSH, HTTPD and DHCP.
* Comprehensive knowledge of TCP/IP, the OSI Model, firewalls, load balancers and switches.
* Experience with network attached storage devices and RAID.
* Working knowledge of Redhat/CentOS, including Kickstart, the use of package management tools (APT/Yum), the ability to write spec files and build RPM packages.
* An understanding of virtualization technologies such as VMWare or Xen.