Harish Yamjala

Production Support Engineer with 8+ years of experience ensuring high availability, performance, and scalability of enterprise applications in financial and telecom domains. Skilled in managing CI/CD pipelines using GitLab, orchestrating infrastructure and configuration management using Ansible, Proactive monitoring solutions with Geneos & DataDog, automating operations using Shell scripting & Python scripting, and optimizing database performance using Oracle PL/SQL. Strong track record of incident resolution, release management, and continuous improvement in production environments, following Agile/Scrum methodologies.

TCS

(2022-12 - 2026-03)

Client: LSEG (London Stock Exchange Group)

• Managed reliability, availability, and performance of Murex-based trading systems across Start of Day (SOD), Intra Day (ITD), End of Day (EOD), and End of Week (EOW) operations.
• Maintained CI/CD pipelines in GitLab for automated deployments across SIT, UAT, and production environments.
• Integrated Prometheus for proactive infrastructure monitoring, enabling early detection of anomalies and reducing MTTR.
• Automated repetitive operational tasks using Shell scripting, Python and Ansible, improving efficiency and reducing manual intervention.
• Led release management activities, coordinated deployments, and validated post-deployment stability.
• Troubleshooted production incidents, performed root cause analysis, and implemented preventive measures to enhance system reliability.
• Monitored upstream and downstream data flows, resolving data discrepancies to ensure business continuity.
• Provided SRE-focused operational support, ensuring SLA compliance and minimizing downtime.

IBM

(2021-11 - 2022-11)

Client: AT&T

• Monitored application health and infrastructure performance using Appdynamics and log analysis tools, ensuring high uptime and rapid incident response.
• Maintained CI/CD pipelines in GitLab for microservices deployments.
• Automated operational tasks and log analysis workflows using Shell scripting.
• Designed and optimized Oracle PL/SQL stored procedures to improve application performance.
• Participated in on-call rotations, resolving incidents and improving operational playbooks.
• Worked closely with development teams to integrate SRE practices into application design and deployment processes.

CAPGEMINI

(2017-08 - 2021-11)

Clients: DLG, Discover, Manulife

• Provided production support and SRE services for Finacle core banking platform, ensuring system stability, reliability, and performance.
• Migrated Finacle environments from WAS/AIX to JBOSS/RHEL, ensuring seamless go-live with minimal downtime.
• Built and maintained Jenkins/GitLab pipelines for automated deployments, patching, and configuration updates.
• Configured EOD and BOD batch jobs, monitored execution using custom scripts, and implemented automated alerts for failures.
• Used Prometheus and custom dashboards to track performance metrics and proactively address bottlenecks.
• Automated operational workflows using Shell scripting to reduce repetitive manual tasks.
• Optimized database performance by tuning Oracle PL/SQL procedures and queries.
• Collaborated with cross-functional teams to improve system resilience, incident response, and post-mortem analysis.

MASTER OF TECHNOLOGY - DATA SCIENCE & ENGINEERING - Birla Institute of Technology & Science Pilani, Hyderabad Campus

MASTER OF SCIENCE - INFORMATION TECHNOLOGY - Sikkim Manipal University - Sikkim

BACHELOR OF SCIENCE - COMPUTER SYSTEMS ENGINEERING - Loyola College - Hyderabad

ASSOCIATE OF SCIENCE - MATHS PHYSICS CHEMISTRY - Narayana Junior College - Hyderabad

HIGH SCHOOL DIPLOMA - Rao’s High School - Hyderabad