Care and feeding of an internal network (~6 subnets, mostly switched 100base-T) including a build cluster of approximately 30 hosts. Network is connected to the Internet via dual T1 lines. The network includes a VPN to multiple remote developers.

Operating systems include AIX, FreeBSD (2.x - 5.x), HPUX (10 and 11), IRIX, Linux (on everything from StrongARM to Itanium), MacOS X, NetBSD, OpenBSD, SCO, Solaris (SPARC and x86), Tru64, VMware and Windows (2K, 2003, XP, Vista). In addition to the build cluster there are approximately 50 developer and server machines, which are typically Linux or Windows.

Duties include some or all of:

• Maintaining the network, DNS, etc.
• Maintaining the apache-based web servers
• Building new PC machines as required
• Replacing system parts as required (PC and older SCSI-based systems)
• Coding infrastructure tools as needed

Required background

• Experience with BIND, Mailman, Postfix (and sendmail, but more emphasis on Postfix)
• Experience administering both Unix and Windows (SMB, for example)
• Expert-level Bourne shell scripting
• Good Perl skills (preferably old-school perl 4)
• Enough C skills to write a basic more(1)
• BS in engineering
• At least 3 years industry experience (post-college)
• Self-motivated self-starter with low management overhead
• Excellent references

Desired background