Senior Oracle DBA: 19c Upgrades, HA/DR, Onsite

Cognizant is seeking an experienced Senior Oracle Database Administrator to manage enterprise Oracle environments. You will lead upgrades to Oracle 19c, perform migrations from AIX to Linux, and maintain high availability with Data Guard. The role emphasizes security compliance, performance tuning, and proactive monitoring across mission-critical databases. Responsibilities include planning migrations, implementing DBSAT-driven hardening, and collaborating with cross-functional teams to deliver #J-18808-Ljbffr Cognizant