Senior SRE/Application support Engineer with 12+ Years Expertise

Thirupathi Daram **************@*****.***

PH # 816-***-****

https://www.linkedin.com/in/thirupathi-daram-44821934/

Summary:

Application Support/SRE Engineering professional with 12+ years of experience across Web/Application servers (Websphere, Tomcat, JBoss, and Apache), CI/CD automation, Cloud infrastructure (AWS, Azure, and Oracle Cloud), and observability tooling in high-availability production environments.

Proven expertise in managing and automating deployments on platforms like WebSphere, JBoss, Tomcat, Apache, IBM HTTP Server, and F5 Load Balancers across Linux (RHEL, Ubuntu, CentOS) and Windows.

Proficient in Linux system administration, networking basics (DNS, load balancers), and SSL/TLS configuration for secure application delivery

Deep understanding of J2EE application lifecycle, including WAR/EAR deployments, clustering, JMS, data source configuration, horizontal/vertical scaling, and failover techniques.

Expertise in configuring and maintaining reverse proxies, SSL termination, virtual hosts, and log rotation in high-traffic web environments.

Proficient in containerization using Docker, and orchestrating microservices on Kubernetes (K8s) and EKS, with infrastructure provisioning via Terraform for scalable, multi-AZ deployments.

Experience in observability stack setup and maintenance – logs, metrics, and traces using Datadog, AppDynamics, New Relic, Nagios, CA Wily Introscope, and custom dashboards and alerting.

Strong background in incident response, on-call rotations, L3 production support, root cause analysis, and performance tuning of application and middleware platforms.

Create and maintain highly scalable and fault tolerant multi-tier AWS environments spanning across multiple availability zones using Terraform.

Experience with analyzing Kafka logs and metrics to identify bottlenecks and ensure high availability of messaging services

Experience working with Oracle, AWS and Azure cloud services like Instances, DNS management, Zones, Storage, Loadbalancer, Auto Scaling, Security groups, Block volumes, logging, compartments.

Well versed with Horizontal/Vertical/Hybrid Clustering, Workload Management (WLM) and Fail Over techniques, configuring Data sources, JMS setup.

Professional Certifications

Certified Kubernetes Administrator (CKA) - Certificate ID: CKA-1900-003518-0100

HashiCorp Certified Terraform Associate

AWS Certified AI practitioner - Foundational

Docker certified Associate - License number: 12120283 url: https://credentials.docker.com/lar1yvhq

AWS Solutions Architect – Associate level Validation Number: V9L2ZER1221EQY3W

AWS Certified Developer – Associate level Validation Number: NX40MH92KN1E1N3Y

TECHNICAL SKILLS

Application/Web Servers

Websphere Application/Liberty server, JBoss, Apache, Tomcat, nginx, MQ, IHS

Cloud

AWS, Oracle Cloud Infrastructure, Azure

Automation tools

Terraform, CloudFormation, Ansible, Chef

CICD tools

Jenkins, Shell scripts, Git, concourse, Shepherd, AWS/OCI DevOps tools

Languages

Groovy, Bash/shell, SQL, python, Power Shell

Load balancers

nginx, F5, Traefik, apache, Layer7 XML gateway

Container Services

Docker, Docker swarm, Kubernetes

PROFESSIONAL EXPERIENCE

Employer: Bath and Body works, Columbus, OH Mar’23-till date

Role: Application Support/SRE Engineer

Installed, configured, and administered J2EE application servers (WebSphere, Tomcat, JBoss) across Linux (RHEL/Unix) and Windows environments, supporting enterprise applications

Designed and supported high-availability middleware architectures, leveraging clustering, load balancing, and failover strategies for mission-critical systems

Managed and maintained multi-node application server environments, ensuring consistent deployments across development, QA, and production

Deployed and supported J2EE applications (EAR/WAR), ensuring smooth deployments, rollback strategies, and environment-specific configurations

Performed performance tuning and troubleshooting of application servers by analyzing JVM metrics, thread pools, connection pools, and logs to improve system performance

Executed middleware upgrades and migration activities, ensuring compatibility, minimal downtime, and smooth transitions across platform versions

Configured and managed web servers (Apache/NGINX) integrated with application servers for request routing, load balancing, and session management

Supported containerized deployments of middleware applications on Linux-based environments and OpenShift/Kubernetes platforms

Implemented monitoring and log analysis solutions (Datadog, ELK/Kibana) to track application performance and support proactive issue detection

Built and maintained log dashboards and search queries, enabling efficient troubleshooting and operational insights across middleware systems

Worked with Apache Kafka for asynchronous messaging and event-driven architectures, enabling reliable communication between distributed applications

Configured secure HTTP communication (SSL/TLS) and managed certificates for application servers and web tiers

Implemented zero-downtime deployment strategies (rolling updates, blue-green), ensuring high availability during releases

Collaborated with cross-functional teams, demonstrating strong verbal and written communication skills while resolving production issues and improving system reliability

Employer: ORACLE America Inc, Columbus, OH (Remote) Feb’21-Mar’23

Role: Sr. SRE/Application support Engineer

Working on Middleware and Oracle Cloud Infrastructure products and implemented the Email Delivery Service and migrated OnPrem Dyn Email Delivery to OCI within OCI Messaging Organization and Migrating existing Hostclass setups from On-Prem to OCI.

Scaling the applications using OCI load balancers and nginx servers, setup SSL communications.

Working in large scale cloud networking infrastructure, including network architectures, TCP/IP protocols, firewall management, routing, switching, ACLs, SSL/TLS.

Provision the Oracle Cloud services using Terraform and automation of configuration management using Ansible and chef tools like writing Ansible playbooks and Chef recipes and cookbooks.

Update and refactor Terraform code in Shepherd for each new region build and setup CICD for the Infrastructure updates and applications Deployments using Shepherd and Oracle DevOps service.

Solve complex problems related to Dyn/OCI Email Delivery services to prevent problem recurrence. Design, write, and deploy software to new regions and improve the availability, scalability, and efficiency of OCI email delivery.

Implementing the CI/CD for Infrastructure provision and deployments using OCI DevOps tools such as Shepherd.

Setting up the OKE(Kubernetes) cluster and deploy the containers for the containerized applications.

Troubleshoot issues impacting large scale service architectures and customer facing web services in a DevOps/SRE environment. Understand and communicate the scale, capacity, security, performance attributes, and requirements of the service and technology stack.

Monitor the availability of services within OCI Messaging and dealing with Customer issues and Incident tickets related to production tickets, security vulnerabilities and improving the availability of services.

Setting up alerting and monitoring of our infrastructure for EMail Delivery services using Graphite and visualize using Grafana Dashboards and setup availability metrics and email Inbound/Outbound Email metrics and alerts.

Provide end customer support with OCI services like Email Delivery and Deliverability Dashboard and Streaming services.

Assisted in Kafka topic configuration, including partitions, replication factor, and retention policies based on application requirements

Supported Kafka producers and consumers, validating message publishing, consumption, and data integrity across systems

Capacity planning, designing, and implementing efficient infrastructure migration strategies and schedules to ensure High Availability of our infrastructure, and perform on-call duties to ensure our services never breach SLA.

Client: Nationwide Insurance, Columbus, OH July’18-Feb’21

Role: Application Support Engineer

Installed, configured, and administered J2EE application servers (Tomcat, JBoss, WebSphere) and web servers (Apache/NGINX) across Linux (RHEL/Unix), Windows, and cloud environments

Configured virtual hosts, session management, and server-level settings to support scalable and high-performing enterprise applications

Built and provisioned new environments using Ansible, Shell scripting, and Jenkins pipelines, enabling consistent and automated middleware deployments

Deployed and supported Java applications (WAR/EAR/JAR) on Tomcat/JBoss environments, ensuring reliable releases across development, QA, and production

Migrated and modernized legacy middleware applications by containerizing workloads and deploying on OpenShift/Kubernetes, improving scalability and portability

Built and managed CI/CD pipelines using Jenkins, GitHub, and cloud-native tools to automate application deployments and infrastructure provisioning

Managed and optimized Linux-based middleware infrastructure on AWS, including instance lifecycle, patching, backups, and auto-scaling configurations

Implemented artifact management using S3/Nexus repositories, maintaining version-controlled deployment packages for application environments

Automated middleware installation and configuration using Ansible playbooks and roles, ensuring repeatable and standardized setups

Implemented application monitoring and performance tracking using AppDynamics and New Relic, enabling proactive alerting and faster issue resolution

Built and managed Docker container images for middleware applications and deployed them on Kubernetes/OpenShift platforms

Provided production support and troubleshooting, resolving application, middleware, and infrastructure issues while maintaining SLA compliance

Client: Vanguard, Malvern, PA May’16-July’18

Role: Application Support/Middleware Engineer

Installation, Configuration, Administration of Apache, WAS, tomcat, JBoss and Provisioning new

Environments and clustering, set up new configurations for JDBC providers, DataSources, connection pools, Connection factory settings, Virtual hosts etc.

Build and deploy Java/J2EE applications, webservices etc on Tomcat and Apache servers.

Created shell scripts for Build and deploy, set up Jenkins, installed all required plugins, integrated with JIRA, Nexus, GIT. Automated SW installation and deployments to multiple environments using Ansible roles and playbooks.

Implemented the for automation of the deployments with the help of Python/bash scripting for Jenkins pipelines.

Have written automation scripts using Python/Shell for auto deployments.

Involved with setting up continuous integration and daily builds using Bamboo with Artifactory repository manager Technical Tools. Orchestrated Docker container deployments using Kubernetes/Docker Swarm.

SSL Cert Management – Generate certs, monitor and renewal. Installation of Control-M agent, setting up Splunk.

Automate the Infrastructure provisioning using Terraform custom modules to map complex dependencies in the various environments.

Hands-on experience on AWS services like VPC, EC2, S3, ELB, AutoScalingGroups (ASG), EBS, RDS, IAM, Route 53, CloudWatch, CloudFront, CloudTrail.

Used AWS S3 service for saving the copies of Build Artifacts and created release-based buckets to store various modules/branch-based artifact storage.

Created EBS volumes for storing application files for use with EC2 instances whenever they are mounted to them.

Client: Wells Fargo NA, Chandler, AZ Aug’14-May’16

Role: Middleware Engineer

Create and maintain fully automated CI/CD pipelines for code and infrastructure deployments.

Installed, configured WebSphere Application/Process Server /ND/XD 8.5/8.0/ and IBM HTTP Server 6.0/7.0 in Redhat Linux and Windows.

Created Jenkins pipelines, setup CI/CD automation for Websphere applications, scheduled builds and deploys, Jenkins file-based deployments using the scripting.

Installing Autosys agent on Nodes and Monitor, Control schedule Jobs, set up alerts from Autosys WCC.

Responsible for installation, configuration, support, and performance monitoring of high-profile applications running on IBM WebSphere Process/Application Servers, different Web Servers and Tibco EMS Servers.

Deployed EAR/WAR files on multiple Servers/Clusters and maintained Load balancing, high availability, and Failover functionality.

Involved in configuring load balancer groups on DataPower appliance for providing high availability solutions.

Developed error policies within DataPower to handle errors returned by backend applications.

Worked with IBM Support and development teams in resolving issues related to application memory leaks, analyzing java cores and heap dumps using Thread and Heap analyzer tools.

Performed troubleshooting on Java applications using WAS logs, traces, Log Analyzer, Resource Analyzer/Tivoli Performance Viewer in production environment.

Managed the security and performance optimizations for EJB containers and web applications in IBM WebSphere, IHS and Apache web servers. Generated http plug-in config and moved it to the web servers.

Installed Layer 7 XML Gateways for authentication/authorization of incoming/outgoing web service requests.

Client: QSS Inc, Columbia, MD July’13-July’14

Role: Middleware Engineer

Worked on Data Services Hub project for Obama Healthcare Implementation.

Installed, configured, and maintained Middleware servers WebSphere ND/XD 7.0/6.1, IHS v6.0/7.0, JBOSS 5.3.1 in Redhat Linux and Windows and implemented clustering and Load balancing

Integrating enterprise wide J2EE applications and deploying on WebSphere and managing security policies for different applications and Configured WebSphere App server to use LDAP for Single Sign On.

Experienced in installing the security certificates and installing Site minder for SSO.

Installed layer 7 XML Gateways for authentication/authorization of incoming/outgoing requests to and from HUB and Configured GW Dashboard to monitor the policy falsified and successful requests to HUB.

Expertise to analyze and correlate events through Splunk search strings and operational strings.

Used SOAP UI for testing and invoking Webservices. Log Analyzer for performance tuning and troubleshooting.

Installed monitoring agents like New Relic, Log analyzer – Splunk Forwader on RHEL 6.3

Configured F5 service pools, pool members, VIPs, Health monitors etc, Implement Custom health monitors, configure session management and various types of profiles.

Client: Wells Fargo NA, Chandler, AZ Nov’11-June’13

Role: Websphere Admin

Installed, configured, and maintaining WebSphere Application Server Base/ND/XD 7.0/6.1, WebSphere Process Server V6/V6.1 and IBM HTTP Server 6.0/7.0, Tomcat in Redhat Linux and Windows.

Responsible for installation, configuration, support, and performance monitoring of high-profile applications running on IBM WebSphere Application/Process Server, and WebSphere Portal and integrate with different Web Servers and Tibco EMS Servers.

Responsible for setting up the QA, Production Environments which includes Installing the WebSphere, fix packs, Creating Profiles, nodes, federation of nodes, WAS instances, Application Servers, Clusters, Virtual hosts, Data Sources, MQ Connection factories, Plug-in configuration, and Service Integration Bus Configuration.

Installed and maintained IBM SOA products like Websphere Message Broker and DataPower.

Worked with IBM Support and development teams in resolving issues related to application memory leaks, system crashes by analyzing java cores and heap dumps using Thread and Heap analyzer tools.

Performed troubleshooting on Java applications using WAS logs, traces, Log Analyzer, Resource Analyzer/Tivoli Performance Viewer in production environment.

EDUCATION

Master’s in Electrical Engineering: University of Missouri–Kansas City, 2011

Contact this candidate