•Worked in production environment for Portfolio Applications of nearly 25 applications which are hosted in different platforms like Big data, Cloud and Non-Cloud and for serving different purposes.•Familiarity with Autosys, Appdynamics, AutowatchPlus, RLM and Service management tools.•Implements and follows organization Incident, Request, Problem and Change management.•Monitoring and fixing the Environmental issue like Disk/CPU utilization, URL related, Port down, Mount issues, NAS/SAN, Permission related, Server Unavailability/JVM related, Application slowness, File system issues, Issues in installed services, DBA errors, etc•Experience in developing and maintaining Shell Scripts, job scheduling in Autosys and Cron.•Tracking application performance metrics and report out to client/Management.•Act as primary point of contact to assigned application for all technical issues. Identify problemsand take responsibility for successful resolution of issues.