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Strong, deep knowledge of
Linux and/or FreeBSD computer operating systems
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Very solid understanding of
IP networking concepts
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Intermediate to advanced
programming and scripting abilities in multiple languages, which must include
the Bourne shell
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Experience configuring
routing and switching hardware
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1+ years' experience
developing centralized configuration code
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3+ years' experience as a
UNIX systems administrator
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Strong Ruby programming
ability
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Extensive experience with
Citrix XenServer and Citrix NetScaler
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Advanced understanding of IP
networking, packet framing, and dynamic routing protocols