MADHAN KUMAR SELVARAJ

• Leading 5 member platform operations SRE Team.
• Support Platforms Operations, Platform Oberservabilities, Continuous Improvements in Automations, Self-services, self-healing, etc.,
• Working in Enterprise Cloud Platform which includes Extended Platform as a Service (XPaaS), which includes Enterprise Event Streaming Platform - Confluent Kafka, Enterprise Caching System - Redis Enterprise, Elastic Search Operations / Engineering and Support.
• Provide Consulting to various application customers on XPaaS services such as Kafka Topics, Redis db's and CRDB's, Elastic Indices Onboarding, Deployment, Troubleshooting, Monitoring, performance tuning and Decommissioning.
• Work with various vendors such as Confluent, Redis labs, Elastic, etc for optimizing, fine tuning and troubleshooting the shared platforms for performance improvement due to increasing load.
• Proposed, Designed and Implemented Automations such as Kafka Producer – Consumer Utility, ACL – SSL validators, etc.,
• Working in Platform As A Service (PaaS) Hybrid Cloud Platform - Redhat OpenShift Operations and Support.
• Work on capacity issues in cloud infrastructure such as Pod capacity / Count / Egress / and images for better performance / low latency and high throughput (TPS).
• Application availability and load-balancing across Multi-AZ (Multiple Availability Zones), Multi-cluster management, Failover, Load Balancing, Etc.,
• Support wide variety applications in Internet and Intranet such as Nginx, Tomcat, jBOSS, Java, Go Clients, .Net.
• Proficient in handling wide varieties of applications / infrastructure / tools / supporting components issues that occur in PaaS life cycle.
• Working in CTAM – Cloud Telemetry and Monitoring for Observabilities using Prometheus, AlertManager, Grafana, Splunk, Dynatrace.
• Collaborate with various Engg and application team for Platform upgrades and new technology transitions such as, GKE, Apache Nifi, Gridgain, etc.,
• Participate and resolve various production critical application / platform issues in the Major Incident Management Bridges.
• Participate in other ITIL task such as, problem management, configuration management, etc.,
• Provide write ups to the Leadership about the major incidents in business-critical applications

Worked in Multiple capacities in and as Technology Delivery Specialist Production Control Engineering Lead, Infrastructure Engineer, IT Operations, Data Center Consolidation and Environment Management Engineer, Roles and Responsibilities includes,

• Designed, Developed and executed standard for Environment and Application Migrations, reducing migration complexities.
• Spearheaded Production Application Support Team, managed On-Call Rotation, Application support ownership and facilitated cross trainings.
• Orchestrated 75% of Production Enterprise Applications Deployment and Support, including prioritization, resource allocation, resolve the complex technical issues, etc., for application running in various platforms.
• Worked with Projects in complex environment Designs, Product Selection, Automated login using password vault and Mobile Communication platform.
• Created and delivered built solutions reducing Vendor consulting cost by 25% for Product customization and Mobile app configuration.
• Pioneered Mainframe emulator that helped Insurance agents to work on customer policy and claims from the newly acquired insurance club.
• Enterprise Batch System Migration from CA Workload Automation to CA Automic. Automated Batch process triggering using API’s from Jenkins Orchestration.
• Application deployment and task automation, also developed template for Data warehousing, Middleware application deployments for easy automation using shell, power shell and groovy scripting.
• Application Installation, Configuration Management, maintaining CMDB up to date, Incident management, Troubleshooting issues with Applications, Environments / Infrastructure, Networks, etc., with in the SLA, Problem management for root causes.
• Infrastructure and Application Migrations from different Data Centers to Phoenix, AZ.
• Migration activities includes design diagram, server procurement, Firewall and Load balancers, URL externalization, application installation, configuration, pre-prod testing, Monitoring Tools, Production cutover, etc.,
• New Policy System Migration support for midrange from WebSphere Business Integrator to WebSphere Process Server and Service Oriented Architecture
• Platform upgrades, Patching support, Application deployment automation, custom scripts for application monitoring and health check.
• Maintain the repository for Application specific Configurations and Documentations Participate in Scrum meetings and coordinate the changes based and Applications testing and release timeline.