Sr. Linux Systems Admin

Reference Code: 08-10250 6Industry: Information TechnologyJob Type: PermanentJob Location: 90069 Send Us Your Resume apply online with an already posted resume Apply Online TAC Worldwide Companies' contractors are our greatest assets. We are proud of the breadth and depth of our workforce and their unique skills and abilities and we are committed to providing them with challenging and rewarding positions. TWC will work with you to help identify the contract or permanent opportunity that best suits your career goals. Sr. Linux Systems Admin Sr. Linux Systems Administrator We are currently looking for a Sr. Systems Administrator to join our Web Systems team which is responsible for the administration of global, high-volume, consumer-facing web infrastructure.Must thrive in a fast-paced, ever changing, entrepreneurial environment.  Individual must be able to work independently as well as collaboratively.  Must be resourceful and a creative thinker, confident and able to express ideas in an articulate, well thought out manner. Ability to multi-task and your own prioritize work is a must. 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 existing 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. REQUIRED TECHNICAL EXPERIENCE:  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.  IDEAL PERSONAL CHARACTERISTICS: Strong, creative problem solving and analytical in nature. Results oriented aggressiveness in meeting commitments. Ability to work independently and as part of a team. Entrepreneurial, driven by a new challenge. Strong communication skills. Self motivated, energetic and tenacious. Flexible; responsive to changing situations.   To view additional job opportunities with TAC Worldwide Companies, please visit us at www.tacworldwide.com