Sysadmin for hire:

I am able to perform, on contract, a number of consulting services related to Unix system administration.

All services can be performed remotely provided a computer with a network connection is in place, or, in the Vancouver, BC area, on location.

This is a list of services that I have done in the past for various clients; I can provide reference implementations for each.

• mid-scale (1-10,000 user) mail server setups:
  • Automated virus scanning of all emails (99% accuracy)
  • Virus signatures updated automatically
  • Automated spam detection on all emails (99% accuracy)
  • Unlimited per-user email accounts
  • Sophisticated and robust webmail access
  • large-scale domain name MX hosting
  • smooth migrations from existing servers
  • up to 1,000,000 emails per day
  • simple administration
  • SMTP-after-POP auth/relay control
  
  
• relay mail servers:
  • up to 1,000,000 emails per hour, bandwidth permitting
  
  
• mid-scale (100GB->1TB) file servers:
  • snapshot file backups going back hourly, daily, weekly, and monthly.
  • network-accessable via NFS, Windows filesharing, FTP, HTTP, etc.
  • document trees searchable by content.
  • group-based file sharing
  • fine-grained access control (read and write)
  • RAID arrays
  • automated off-site backup (bandwidth permitting)
  
  
• Linux installations
  • Debian, Red Hat, Slackware, or any other requested flavour
  • Server and Desktop configurations
  • large-scale deployments and configurations
  • Transparent web proxy servers.
  
  
• Web servers:
  • PHP, Frontpage, Java Server, SSL support.
  • Thousands of independent virtual hosts on one IP or many.
  • Automated database-backed large-scale virtual hosting.
  • Web server optimization and debugging.
  • CGI script support
  • mod_perl support
  
  
• Internet firewalls
  • secure, hacker-resistant internal "safe" networks
  • Transparent access to the Internet
  • encrypted VPN tunnels linking to remote networks & offices
  • access controls based on IP
  • transparent, silent Web proxies and caching
  
  
• Name servers:
  • database backend for large-scale operations
  • automated validation of domain ownership
  • automated secondary name server syncronization
  
  
• security audits on unix servers:
  • check for and report on existing compromises
  • check for and report on potential compromises
  • clean up and lock down network services to secure level
  • harden against potential future compromises
  • take checksum of critical files, store for future reference
  
  
• Web-based server administration