p>As an I/S Refining Technologist you will provide support for enterprise information system infrastructure technology solutions by installing and troubleshooting desktop hardware and software, telephone equipment, network equipment and cabling, managing spare equipment inventory, and providing direct phone support of internal customers via Valero''s Virtual Helpdesk line. This includes, but is not limited to: trouble-shooting, problem-solving, issue resolution, user interaction, training, defining systems scope, gathering requirements, documenting design specifications, research and fact-finding, configuration, testing, reporting, cutover, IS and business user coordination.