Warren Petrofsky on 5 Aug 2013 12:41:01 -0700

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[PLUG] Sr. Linux Sysadmin Position at the School of Arts and Sciences at UPenn

Hi All,

The Information Security and Unix Systems (ISUS) group in the School of
Arts and Sciences (SAS) at UPenn has an opening for a senior linux

This position will work directly with SAS researchers building HPC
clusters on-premise and in the cloud and help us support our core linux
systems (email, web, database, app, vmware).

Anyone interested should apply at:

If you have any questions about the position, please reach out to Dareus
Conover at dconover@sas.upenn.edu.

I'll post the full description below.



-- Warren Petrofsky
Director, Information Security and Unix Systems
Director, Natural Science Computing
SAS Computing - University of Pennsylvania

The Information Security & Unix Systems (ISUS) group at the School of
Arts and Sciences (SAS) is seeking a senior linux systems administrator
who is ready to change the world, one python script at a time. Become a
part of our team and work collaboratively with world-renowned
researchers who work to solve questions about the human brain, the
formation of galaxies, ocean biogeochemistry, the impact of social
programs, and more. Help us keep all of our enterprise systems ticking,
including email gateways serving more than 20,000 users. Build clusters
on campus, in Amazon EC2, and make use of the XSEDE grid to enable
research at an unprecedented scale. This position serves as lead systems
administrator on highly complex linux systems including enterprise
email, database, application, and web servers.

The successful candidate will design, quote, benchmark, buy, implement
and maintain high-performance computing clusters for research groups
throughout SAS. These systems often represent investments of more than
$100k of grant funding for very high-profile projects. This position
will design, price, and administer high-performance computing systems
using cloud and grid systems including Amazon's AWS and XSEDE, and will
work directly with researchers to understand how HPC can enable and
reshape their work.

This position helps to maintain and improve a high-availability VMWare
VSphere cluster and SRM failover cluster, responsible for hosting the
most critical, always-on, applications in the School. This position also
participates in the ISUS on-call rotation. This includes performing
linux systems programming and application programming projects as
needed; supporting web servers; providing software installation and
backups; coordinating hardware repairs; coordinating ordering &
installation of equipment; recommending and tracking software &
hardware; installing upgrades; handling security; and performing
technical consulting & end user linux support.

A Bachelor's Degree is required in addition to 3 to 5 years of work
experience or an equivalent combination of education and experience. The
successful candidate has advanced linux systems administration skills,
and confidence with cluster queueing systems. They work collaboratively
with faculty, graduate students, research staff, and their SAS Computing
colleagues. They are passionate about the research and academic mission
of SAS; they are ready to make a difference through teamwork, ingenuity,
and the power of open source.  They can manage and track a large number
of ongoing projects simultaneously, working with their teammates to
triage problems and execute solutions.

Required Technical Skills:
* Expert linux systems administration, preferably RedHat/Centos
* Proficiency with automated deployment tools (RPM, puppet, kickstart,
chef, cfengine)
* Experience with configuration of apache and mysql
* Experience with shell scripting and other scripting languages (e.g.,
Perl, Python, Ruby).
* Proficiency building robust backup solutions

Preferred Experience:
* HPC Cluster Tools such as: Sun Grid Engine, Ganglia, Puppet
* Cloud/grid solutions such as: AWS EC2, XSEDE, Starcluster
* Matlab
* Drupal
* VMware and SRM

For more about the School of Arts and Sciences please visit:
Interested applicants should apply at:

The University of Pennsylvania values diversity and seeks talented
students, faculty and staff from diverse backgrounds. The University of
Pennsylvania does not discriminate on the basis of race, sex, sexual
orientation, gender identity, religion, color, national or ethnic
origin, age, disability, or status as a Vietnam Era Veteran or disabled
veteran in the administration of educational policies, programs or
activities; admissions policies; scholarship and loan awards; athletic,
or other University administered programs or employment.

Questions or complaints regarding this policy should be directed to:
Executive Director
Office of Affirmative Action and Equal Opportunity Programs
Sansom Place East,
3600 Chestnut Street, Suite 228,
Philadelphia, PA 19104-6106
or by phone at (215) 898-6993 (Voice)
or (215) 898-7803 (TDD).
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