Network Design for 500+ nodes utilizing gigabit and fast ethernet, layer 2 and 3 switching, OSPF & BGP. Project management of network migrations and implementations.
Setup of small home networks sharing internet access and using firewall, NAT, DHCP, using wired or wireless ethernet
Maintenance of Unix Networks, especially Solaris and Linux, including admin, security, software compilation and maintenance
Writing custom rules for procmail for backup copies, spam blocking, and other things at the user or system level