Provides end-to-end support for business-critical applications by managing incidents, troubleshooting access, performance, configuration, SQL, and API issues, and performing root cause analysis. Documents resolutions, maintains knowledge bases, coordinates escalations with vendors and internal teams, trains clients, validates production changes, and identifies preventive improvements. The role is in-office in Markham, Canada, supports real estate enterprise platforms, and requires collaboration with technical and non-technical stakeholders.