Senior Operations Engineer - Jio Platforms Limited
(2023-01)
Previously Consultant via ACL Digital, Jul 2021 – Jan 2023
- Administered and supported large-scale Linux-based production environments hosting WebLogic, JBoss, Tomcat, Apache, NGINX, OHS, and RabbitMQ.
- Provided end-to-end environment management across Production, UAT, and DR, ensuring platform stability and high availability.
- Led incident management and root cause analysis (RCA) for performance, availability, and application failures, ensuring rapid resolution and minimal downtime.
- Performed JVM performance tuning, resolving OutOfMemory (OOM) and latency issues using heap dump, thread dump, and GC analysis.
- Developed and implemented automation for middleware provisioning, service operations (stop/start), patching and upgrades using Shell scripting, reducing manual effort by 90% and enhancing deployment consistency.
- Spearheaded JDK upgrades, middleware patching and security remediation across 500+ production linux servers each quarter, significantly improving platform security and regulatory compliance.
- Configured NGINX reverse proxy, SSL offloading, and load balancing to ensure high availability and optimal performance for multiple internal and external applications.
- Led DR drills, audits, and application go-lives, ensuring 100% compliance and uninterrupted business continuity during high-stakes deployments.
- Designed and maintained high-availability and clustered middleware architectures, improving scalability and fault tolerance.
- Collaborated closely with Linux, Network, DBA, and Application teams to align infrastructure with business requirements.
- Maintained detailed documentation including Standard Operating Procedures (SOPs) for change management and middleware operations.
- Tracked and ensured successful execution of all middleware patching and upgrade cycles, improving transparency and operational control.
Middleware Administrator - DBS Bank
(2021-02 - 2021-07)
Consultant via CMS IT Services Pvt Ltd, Feb 2021 – Jul 2021. Previously Consultant via IMSI Staffing Solution Pvt Ltd, Jul 2020 – Feb 2021
- Led middleware responsibilities, taking end-to-end ownership of environment support, coordination, and critical task execution.
- Installed, configured, and maintained Apache HTTP Server, Tomcat, and JBoss EAP across non-prod and production environments.
- Solely responsible for managing and maintaining the complete middleware inventory, ensuring accurate environment tracking and documentation.
- Deployed and supported J2EE applications, performed root cause analysis, and ensured consistent application availability.
- Independently drove the vulnerability remediation process - upgraded Tomcat, JDK, and other components, coordinated with multiple application teams.
- Managed Change Requests (CRs) end-to-end, from CAB approvals to production rollout.
- Maintained strong working relationships with client stakeholders and on-site teams, earning their trust and delivering timely resolutions.
- Provided 24/7 on-call support for production issues, ensuring rapid response and minimal downtime.
- Orchestrated end-to-end deployment of WAR/EAR files across Dev, UAT, and Prod environments, ensuring compliance with banking security standards.
Middleware Administrator L1 - DXC Technology
(2019-03 - 2020-07)
Consultant via IT Source Technologies Pvt. Ltd, Mar 2019 – Jul 2020
- Installed, configured, and maintained JBoss EAP and Apache HTTP Server across Development, Pre-Production, and Production environments.
- Deployed and managed enterprise applications across environments, ensuring smooth integration and minimal downtime.
- Configured vertical clustering for high availability and load distribution across multiple application instances.
- Implemented and managed SSL certificates on Apache Web Servers to enable secure communication.
- Configured Apache reverse proxy and tuned Web Server settings for enhanced performance and routing.
- Developed and maintained custom shell scripts to automate server health checks and routine tasks, improving operational efficiency.
- Collaborated with DBA team to generate and analyze AWR reports to identify long running queries and resolve user lock and performance issues.
- Worked closely with the development team by collecting and analyzing thread dumps to troubleshoot and resolve application issues.
- Managed service requests using HPSM tool, including ticket creation, tracking, and resolution within defined SLAs.
- Provided 24/7 production support, ensuring high system availability and rapid issue resolution.