Present Employment: Internet Services ('04-Present)

• UNIX Systems Administration for more than a dozen FreeBSD and Solaris boxes of varying sizes and configurations. Mostly FreeBSD, mostly headless.
• Campus email administration and software development, including:
  1. Major spam reduction through homegrown greylisting software.
  2. Local switching, including many local educational establishments and small businesses.
  3. Secure relaying through firewall holes, with content scanning and spam prevention.
  4. Address rewriting in mail headers, involving both domain and userid, e.g. abcxyz123@fsx.eng.man.ac.uk into A.User@man.ac.uk.
  5. URS integration, syncronisation and job locking for all database updates.
  6. Hardware and software support (exim, SpamAssassin, Sophos, ClamAV, homegrown).
• Usenet administration, including:
  1. Newsreading services, using two INN reader servers, for several academic institutions including Manchester.
  2. Local, national and international feeding, using a diablo peer server.
  3. Membership of several usenet-based communities, including black hats.
• DNS administration: stealth master and several mixed slave servers, with some 400 domains, 200 subnets, and provision of DNS services to many small departments and/or businesses.
• Major FreeBSD involvement, with a small cluster of dedicated PCs, providing build facilities, CVS, ftp mirroring, etc. FreeBSD LUG member.
• PC hardware support, including:
  1. Physically building/rebuilding PCs.
  2. Fault-finding and repair, including component stress testing.
  3. ``Best Bang For Buck'' purchasing decisions.
• Network Time Syncronisation (NTP). Open listed servers with hundreds of clients and several different secondary protocols.
• General internet guru, faultfinder and overseer.