HPC Linux Administrator

$95-$140K

Be responsible for managing and maintaining the hardware and software used for a distributed systems environment. Technology responsibilities will include Hardware platforms, Linux OS, Scheduling Software, NAS/File Systems, and Disk Sub Systems. You will serve as the main point of contact for the Analysts utilizing the grid. Work closely with other IT teams including the Server Admin and Networking teams to ensure the grid meets the demands of the community. The role will combine day-to-day support with ongoing engineering and planning of the Grid environment as it evolves.

Responsibilities:
-Serve as main point of contact ensuring the grid meets the demands of the trading community.
-Assist in designing and implementing high performance file storage systems.
-Manage and support HPC scheduling software such as Condor, Maui, or Sun Grid Engine.
-Implement and support performance monitoring and fault monitoring systems.
-Monitor systems and storage performance, up to and including network components.
-Compile, package, install and upgrade software and operating system components.
-Create scripts and use tools to automate frequently performed tasks.
-Implement and support SAN, NAS and direct-attached storage systems.
-Develop, improve, document and promote standard operating procedures.
-Interact directly with traders, Quants and other IT staff to troubleshoot problems and issues.
-Available to work nights and weekends as required.

Qualifications:
-Thorough understanding of IP networking concepts.
-Working knowledge of cluster interconnect technology (i.e. Infiniband).
-Expert knowledge of high performance file systems and storage technologies such as Lustre, Ibrix or GPFS.
-Extensive knowledge of Open Source clustering tools: Condor, Torque/Maui, Ganglia, MPI and PBSPro.
-Solid scripting skills in Shell, Perl, Python and/or Ruby.
-Experience with system (Zenoss, Nagios) and log (Splunk, syslog-ng) monitoring/analysis tools.
-Experience with Java and/or C++ is a plus.
-Excellent communication and documentation skills.
-Ability to work well as part of a team in a fast-paced environment.
-Ability to communicate effectively with people of varying technical abilities.
-Ability to work with highly confidential materials.
-Bachelor’s degree in Computer Science or Engineering, or a combination of education and work experience equivalent.
-Minimum of 6 years administering Linux server systems.
-Prior experience in a clustered environment.
-Dell, HP/Compaq, Sun or IBM x86 server hardware experience.

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