UST, a North America–based multinational, is seeking an L3 Support Engineer to join a strategic banking project in Madrid, Spain. You will be the escalation point for critical incidents, working across. NET/C#, MSSQL, Kubernetes, and microservices to resolve issues and ensure uptime. The role requires three days on client site in central Madrid, strong English (C1), on-call duties, and collaboration with Dev and QA teams. #J-18808-Ljbffr