Senior DevOps Engineer | Technical Delivery Lead

Led DevOps team owning CI/CD platform, infrastructure, release processes, incident response, and SLI/SLO targets across 100+ cross-functional development teams. Drove 45x increase in release cadence by leading CI 2.0 transformation with 700+ pipelines across 6 Jenkins instances. Reduced deployment time from 15 min to ~3 min via Helm rolling deployments with automated rollback. Cut deployment-related incident tickets by ~50% through Helm chart standardization. Planned and executed migration of 3rd-party Helm charts from Confluent to Bitnami. Managed multi-cloud infrastructure across AWS, Azure, GCP, Oracle Cloud, and on-prem Tanzu. Implemented security hardening including Kubernetes RBAC, Vault secrets management, CVE scanning, and Docker base image migration. Introduced SRE practices with SLIs/SLOs, Prometheus and Grafana monitoring, RCA, and incident stabilization. Acted as key integration point between Solution Architecture, Development, QA, and Infrastructure across 100+ teams.

Built Kubernetes clusters and Helm charts for microservices, reducing application update errors and rollback time. Created automated scripts for deployment, monitoring, health checking, and domain creation using WLST, shell scripting, and Ansible playbooks. Configured pipeplane and tested applications. Managed Data Sources and Connection Pools for JDBC in WebLogic. Configured JMS Servers, distributed destinations, queues, and topics. Performed performance tuning on WebLogic domain, heap, threads, JDBC, and JMS subsystems. Applied patches to WebLogic servers. Automated WebLogic configuration and deployment workflows improving release reliability.

Collaborated with managers and support team to resolve server environment issues. Recommended technical solutions and architecture improvements. Provided root cause analysis for production problems. Handled incidents and managed systems/applications per business SLAs. Managed staging, pre-production, and production environments including OS management. Installed and managed servers, virtualization, network configurations, and switches. Ensured data loss protection. Monitored systems and applications. Performed regular upgrades and maintained production documentation. Implemented DevOps practices and migrated containers via OpenShift. Maintained RabbitMQ message broker supporting claims processing. Delivered application packages and updates using Ansible.

Supported infrastructure of MTBank processing center. Implemented projects related to card business. Resolved incidents and problems related to processing center operations. Controlled and managed software configurations and releases. Coordinated work with other IT departments. Operated monitoring systems. Developed scripts in Bash and Python.

Maintained company and external infrastructure at customer sites. Developed scripts in Bash, Python, and Perl. Installed and tuned Oracle database and WebLogic. Deployed software on customer sites.