This job
http://www.computerweekly.com/jobs/job/network-manager-essex-200615684.htm
says
"with particular skills in UNIX (preferably FreeBSD)"
which is very unusual for a school. But with 13 OSS servers and 22 routers running OSPF over a 90-acre 25-building site, it's serious, and I hope they get someone with those skills.