1. Support operating, monitoring, optimizing Back-End systems. (Collection App, ECM, ESB, LOS, LMS, .. systems)2. Support debugging, fixing, go live change request for Back-End systems.3. Support deploying, configuration, managing application environments (production, UAT, SIT, ..)4. Support analyzing, documenting, transferring new projects.5. Co-operate with vendors, BA, dev team,… to understand and support developing solution for better application.