 Expertise in handling GK Point of Sale (POS) Applications with comprehensive knowledge of the Retail domain. Utilized ITSM tools like ServiceNow to monitor and handle incidents and requests, ensuring swift resolution of issues to meet SLA requirements. Efficiently managed P1 and P2 calls, collaborating with business and vendors to address critical issues. Proficient in writing SQL queries for data retrieval and analysis. Utilized alert mechanism such as Capstone tool for comprehensive technical support. Conducted root cause analysis, analyzing logs and implemented corrective actions to prevent recurring issues, improving system stability. Managed application upgrades and production deployment activities across multiple retail store locations, ensuring seamless system transitions and minimal downtime. Managed and resolved master data issues in the Point of Sale (POS) system, ensuring data accuracy and seamless transaction processing. Successfully utilized the HIP tool to monitor and ensure the efficient flow of payloads, improving overall system performance and reliability Managed transaction data verification and resolved missing customer and item issues using SAP.  Utilized CRM tools like Salesforce to manage, validate and update customer details for accurate service delivery. Performed post maintenance testing, system monitoring and health checks to ensure optimal application performance and availability. Created basic PowerShell scripts to automate regular tasks, streamlining workflows and reducing manual effort in system administration. Attended client calls to discuss project progress and issues, and prepared detailed weekly and monthly status reports to track progress and ensure client satisfaction.