Infrastructure Senior Tech Analyst

This role is for a Level 3 Unix System Administrator responsible for providing Tier-3 production support management for large, complex enterprise infrastructure at Citi's GFT Sector Platform team. The professional will focus on operating and maintaining Unix servers, performing clustering and high availability functions, and managing hardware and software components from vendors like IBM, Dell, and HP. Key activities include proactively monitoring production support, conducting root cause analysis, and ensuring processes are documented to support global banking operations.