Responsibilities Ensure maximum uptime for multiple production systems Provide L1/L2 application production support to users for trading, data processing, and IT operations Provide weekend support on a rotational basis and occasional public holiday support  Manage, own and frequently follow-up incidents and requests raised to the team. Monitor and follow up critical system alerts; perform initial diagnosis and potential fix and escalate to the right teams. Assume the role of major incident manager upon major incidents, focusing on coordinating efforts, seeking updates from fellow tech teammates and providing timely updates to all stakeholders. Perform system operation and administration tasks, including checking and monitor multiple systems performance on a daily basis Work closely with internal users and external vendors to investigate and resolve production system issues, and communicate system enhancement /bug fix requirements to multiple engineering teams Work to comply with SLA and OLA Hands-on for incident management, change management and response management and writing RCA reports. Document knowledge articles and manage the team's knowledge base; share and promote overall knowledge level Provide support in non-office hours during emergency situations. Coordinate between product and development teams to ensure effective delivery of supporting services to the end-user