Job Summary This position is accountable for providing detailed technical support to internal CITGO business customers and contractors.  Position is responsible for critical outage issue determination, issue/incident recording, issue resolution and issue escalation for CITGO supported applications, infrastructure, and software.  Independent decisions with limited supervisor assistance are critical in performing this job function.    This position provides 24 hour support and on call rotation, a flexible schedule is required. It requires high levels of team interaction, coordination, communication, to assist in analyzing and developing technical solutions and procedures.  Initiate reviews with high level technical analysts to determine process improvements that provide higher levels of customer service.  This position requires one-on-one interaction with business customers, over the telephone instruction, issue diagnostics and support along several disciplines of computer hardware and software from a multitude of vendors.  Position requires expertise in multiple areas of IT supported tools and products.