Senior Systems Administrator
Greenwood Village, Colorado, Us
Executed network and sales engineering responsibilities for regional Internet service provider, such as:* Administered a web farm of Microsoft IIS 4.0 and 5.0 web servers hosting over 400 domains, including configuration, security, and permissions * Performed sales calls to provide technical information to sales team and prospective customers * Installed, configured, and administered Windows based DNS, DHCP, WINS and RAS servers * Configured and administered 3Com Total Control and Cisco AS5200 NAS devices * Installed, configured, and administered Microsoft Exchange collaboration servers, > 200 users * Installed, configured, and administered Rockliffe MailSite E-mail servers, > 5000 users * Consulting – designed and installed network and application infrastructure delivered by Microsoft based software solutions and Cisco routers for external clients * Designed, administered, maintained and supported the company’s Arizona regional web site * Performed hardware and software troubleshooting, specifically Cisco routers, Foundry and Riverstone switches, HP and Compaq servers, as well as several other hardware platforms * Performed tier 3 technical support