Umesh Jagannatha is Director of IT Security Engineering at Gilead Sciences, with extensive experience in IT infrastructure, security engineering, and enterprise operations. He has over 25 years of experience managing multimillion-dollar IT budgets, large-scale infrastructure environments, and complex security initiatives spanning thousands of servers and virtual machines. Umesh specializes in infrastructure management, critical vulnerability remediation, zero-day patching, cloud security, and data center operations. A proven leader of large, cross-functional and globally distributed teams, he holds CISSP and MCSE credentials, along with AWS Certified Solutions Architect certification.