Hari Hari

Results-oriented L2 Production Support Engineer with 4.8 years of dedicated experience in the Banking and Financial Services (BFSI) domain, specialising in supporting mission-critical applications in demanding 24x7 environments. Proven expertise in Incident Management, Oracle SQL Query Analysis, Linux Administration, Shell Scripting for automation, Application & Batch Job Monitoring, and Root Cause Analysis (RCA). Adept at managing P1/P2 incidents, driving ITIL best practices, and collaborating cross-functionally to minimise downtime and ensure SLA compliance.

L2 Application Support Engineer - Vertx Solutions Pvt Ltd (Client: Cognizant Technology Solutions) - Chennai

(2022-05 - 2025-11)

• Resolved critical P1/P2 production incidents within defined SLA timelines in a 24x7 BFSI environment, ensuring minimal disruption to business operations.
• Proactively monitored applications, servers, and batch jobs using Dynatrace and custom Shell Scripts, enabling early detection and reducing unplanned downtime.
• Led incident bridge calls, providing clear and timely status updates to key stakeholders and executive management.
• Executed complex SQL queries in Oracle and SQL Server for in-depth data validation, root cause analysis, and production troubleshooting, identifying and rectifying data inconsistencies.
• Performed comprehensive database health checks and data integrity validation, ensuring accuracy and reliability of financial transactions.
• Conducted Linux server monitoring, in-depth log analysis, and advanced troubleshooting to resolve performance bottlenecks and system errors.
• Developed and deployed Shell Scripts to automate repetitive monitoring, alerting, and support tasks, significantly improving operational efficiency.
• Managed incident, service request, and change request lifecycles within ServiceNow, ensuring compliance with ITIL framework principles.
• Authored detailed Root Cause Analysis (RCA) documents for recurring production issues, identifying underlying causes and recommending preventative measures.
• Collaborated with development, infrastructure, and business teams to expedite issue resolution and provide seamless deployment support.
• Supported backend data fixes and transaction validation to ensure integrity and completeness of high-volume financial transactions.

L2 Application Support Engineer - INS Data Services Pvt Ltd - Chennai

(2020-01 - 2021-03)

• Monitored critical system health parameters including CPU, memory utilisation, and API latencies using Splunk and CloudWatch to proactively prevent service outages.
• Executed production releases, software deployments, and sanity testing during scheduled maintenance windows to ensure application stability.
• Authored technical runbooks, knowledge base articles, and standard operating procedures (SOPs) to streamline onboarding for incoming engineering staff.
• Acted as technical liaison between frontline support teams, L3 engineers, and development squads; documented known errors to improve first-call resolution rates.

M.E. - Power Electronics & Drives - SVCET, Anna University (2020)

B.E. - Electrical & Electronics Engineering - JNNIE, Anna University (2017)