Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

Sudarshan Vyas

Plano,TX

Summary

Accomplished and self-driven professional with over 13+ years of experience as Middleware and Systems Engineer, with extensive understanding of high availability architecture and concepts. Purpose-driven professional with capacity to be strong team player as well as effective independent worker.

Overview

21
21
years of professional experience
1
1
Certification

Work History

Systems Engineer

Zions Bancorporation (Contract Employee)
Remote, TX
04.2025 - Current
  • Application & Web Servers: Configured, deployed, and maintained production application servers including Red Hat JBoss (EAP/JWS), Tomcat, and IBM WebSphere, alongside Apache, JBCS Apache, IBM HTTP Server (IHS), and Windows IIS web servers.
  • Accelerated environment setup times by designing, developing, and deploying automated Chef cookbooks to standardize the installation, configuration, and management of Red Hat JBoss, JWS, and JBCS infrastructures. Managed cookbooks through Gitlab / Git.
  • Java Performance Tuning: Deep-dived into complex application-level issues using AppDynamics and Splunk to perform Java application tuning, heap/thread dump analysis, and JVM optimization, drastically reducing memory leaks and CPU spikes.
  • Infrastructure & Troubleshooting: Utilized advanced Linux/Unix command-line tools to troubleshoot intricate networking, firewall configurations, and database connectivity issues, ensuring 99.9% system uptime.
  • CI/CD & Scripting: Developed robust automation and maintenance scripts using Bash, Python, and YAML integrated into Azure DevOps (ADO) CI/CD pipelines under Kanban methodologies.
  • Monitoring & Observability: Established comprehensive monitoring dashboards and alerting systems using Grafana and Splunk to proactively capture infrastructure and application performance metrics.
  • Collaboration & Communication: Partnered collaboratively with cross-functional development, security, and QA teams to diagnose complex, multi-tiered production incidents; authored detailed Root Cause Analysis (RCA) reports and technical documentation for executive leadership and internal stakeholders.

Senior Middleware Engineer

Guidewell Source
Plano, TX
04.2023 - Current
  • Cloud & Containers: Containerized legacy monolithic applications using Docker and managed orchestration across Kubernetes clusters, aligning with hybrid-cloud strategies across AWS environments.
  • Infrastructure as Code (IaC) & Automation: Spearheaded the migration to automated provisioning by writing Ansible playbooks and Terraform scripts, reducing manual middleware deployment time by 40%.
  • Designed, Built and Administered application servers like Oracle WebLogic, IBM Websphere, Redhat Jboss, Wildfly, Tomcat, and webservers like Apache, Sun One iPlanet, IHS, OHS for multiple Enterprise applications throughout the project's life cycle from development/ QA/ UAT and production environments.
  • Extensively worked on migrating applications from Weblogic / Websphere to Jboss for cost optimization.
  • Troubleshooting / Performance Tuning Middleware components during migration to higher versions. Resolving infrastructure, middleware issues Developers faced during migration.
  • Configured JDBC Datasources , security , SSL , horizontal / vertical clusters in app servers for high performance.
  • Installed and Configured Oracle Access Manager with Weblogic for authentication / authorization purposes.
  • Configured App servers with Apache HTTP server as front end using web server plugins, mod_jk and reverse proxy in a maximum uptime highly available environment.
  • Configured AD / LDAPs with Weblogic / WebSphere and Apache HTTP server to authentication / authorization.
  • Maintained maximum uptime and maximum performance capacity for Consumer, Enterprise and ecommerce Production Systems.
  • Extensively worked on troubleshooting complex issues related to Network/ Firewall/ F5 Load Balancers.
  • Proactively work with Security team in identifying security threats to middleware infrastructure through security scans and resolving/patching/upgrading them to keep up with latest security standards.
  • Extensively worked with Development team in deployment and troubleshooting of Java applications (EAR/ WAR/JAR) in middleware application servers.
  • Respond to server monitoring alerts by investigating problems and developing solutions for related issues.
  • Proactively responded to any given technical situation that required immediate attention to ensure maximum system availability 24 hours a day, 7 days a week.
  • Worked on Remedy/ Service Now and resolved Incident / Change tickets as assigned to the individual or team.
  • Worked with multiple technology teams, customers (users), and other managers in helping build and implement relevant applications and standards.
  • Responsible for preparing all the necessary documentation for supported product/ applications and organizing training sessions for other team members.

Senior Middleware Engineer

DXC Technology, Formerly Hewlett Packard
Richardson, TX
04.2011 - 04.2023
  • Worked for multiple clients over last 12 year span, few of them being Symantec , BMS , Intermountain, Toyota and Kaiser Permanent serving initially as associate and eventually as a Senior Middleware Admin.
  • Extensively worked on setting up Middleware infrastructure for application / Web Servers on VMs , Cloud as well as On-Prem.
  • Extensive experience in installing, configuring, administering and managing Oracle Weblogic, IBM Websphere, Redhat JBOSS / Wildfly and Tomcat application servers.
  • Wroked on configuring application servers with web servers such as Apache, IBM IHS, Nginx etc.
  • Proactively work with Security team in identifying security threats to middleware infrastructure through security scans and resolving/patching/upgrading them to keep up with latest security standards.
  • Extensively worked with Development team in deployment and troubleshooting of Java applications (EAR/ WAR/JAR) in middleware application servers.
  • Configured Gitlab / client side and server side Githook shell scripts to detect Git events such as commiting / merging.
  • Proactively engaged with Customers and Development teams in troubleshooting and fixing day-to-day problems of the applications in production on 24/7 schedule.

Oracle and IBM Middleware Administrator / J2EE Administrator

Skolix LLC, Symantec Corporation
Mountain View, California, US
04.2010 - 03.2011
  • Configured and administered Redhat Jboss 6/7 , WebLogic Application Server 8.1/ 9.2/ 10.3/ 11g in development/ QA/ UAT and production environments.
  • Configured and administered Apache/ Sun One webservers for different environments.
  • Developed crontab/cronjob scripts for automation of server starts, log rotation and performance alerting.
  • Configured and administered Websphere Application Server in UNIX and Windows environments.
  • Deployed WAR, JAR, EAR applications in WebLogic/ Tomcat Application Server.
  • Configured and administered JDBC Connection Pools, Multi Pools and Data source objects for JDBC connections.
  • Configured clustered JDBC connections and JMS connection factories.
  • Troubleshooting application performance using Thread Dump, Heap Dump and Garbage collection analysis.
  • Configured clustering of WebLogic Application Servers for high availability and load balancing of applications.
  • Proactively engaged with Customers and Development teams in troubleshooting and fixing day-to-day problems of the applications in production on 24/7 schedule.

Graduate Research Assistant

University Of Missouri
Columbia, MO
09.2007 - 12.2009
  • Assisted the equine practitioner by developing a wireless sensor solution through scripting and programming in MATLAB for collection of biological data useful in the diagnosis of lameness in horses.
  • Performed statistical, qualitative and quantitative analysis.

Software Engineer / Middleware Engineer

Larsen and Toubro Infotech
Pune, India
08.2005 - 06.2007
  • Developed and administered Java/ JSP applications running for various clients like Marsh & McLennan Companies.
  • Deployed various WAR, JAR & EAR applications including JDBC, JMS, JMX and JNDI on multiple WebLogic Servers while maintaining load balancing, high availability and fail over functionality.
  • Manual and automation testing of business applications running on .NET/ Visual Basic/ Tomcat.
  • Performed scripting in QTP/ UNIX shell scripting/ Pearl/ Python to automate testing process.
  • Co-ordinated with technology team members, cross functional IT teams, customers (users), and business owners for requirements gathering and deliver them in timely manner.

Education

Master of Science - Electrical And Computers Engineering

University of Missouri
Columbia, MO
12-2009

Bachelor of Engineering - Electronics and Telecommunication

Shri G.S. Institute of Technology & Science
Indore, India
05-2005

Skills

  • Application Servers: RedHat Jboss 5/6/7/8, Weblogic 10g/11g/12c/14c , IBM, Websphere 7/8/9 , Tomcat
  • Web Servers: RedHat JBCS, Apache 22 , 24 , Sun One Iplanet webserver , IBM HTTP Server, Microsoft IIS, OHS
  • AWS Certified Solutions Architect - Associate
  • Cloud and Containers : AWS, Docker, Kubernetes
  • Tools: Chef, Truesight automation, Visual Studio, Gitlab, Ansible, Jenkins CI/CD, ANT, AppDynamics, Splunk, Cyberark Maven, GIT, SVN, CHEF, Docker, Ansible, Githook, Grafana, Wily Introscope , Tivoli, Venafi SSL Cert management, Azure Agent, Siteminder, BMC Remedy , IBM MQ Series , F5, SonarQube, IBM MQ, Oracle Access Manager
  • Languages: Unix shell scripting , Python, JavaScript, ANT, WLST Scripting, JAVA, HTML, DHTML XML
  • Operating Systems: Red Hat Linux - All, Sun Solaris 8/10 , HP UX , Windows NT/2003/2007/XP/Vista

Certification

  • AWS Certified Solutions Architect – Associate, AWS Certified Developer – Associate, Oracle Certified Associate – Weblogic Administration.
  • Extensive experience in managing middleware technologies like Oracle Weblogic, IBM Websphere, RedHat Jboss / Wildfly, Apache Tomcat, which included installation, configuration, administration, deployment, migration, performance tuning and troubleshooting throughout the lifecycle of a project.
  • Extensive experience in administering web servers like Apache, Oracle HTTP server, IHS and IIS and configuring / administering them as front end for app servers like Websphere / Jboss / Weblogic.
  • Extensive experience configuring and setting up Weblogic 14c / 12c / 11g clusters and upgrades from lower to higher versions. Extensive hands on experience troubleshooting infrastructure issues with app / web layer for Weblogic / apache.
  • Extensive experience in configuring AWS services like VPC, EC2, Autoscaling, S3, Security Groups, NACL to secure subnets, ELB, Route53, Multi AZ RDS and Cloudwatch.
  • Experience building Infrastructure as Code (IaC) using AWS CloudFormation and Terraform.
  • Experience configuring AWS CloudWatch to monitor EC2 instance health and configuring autoscaling based on thresholds.
  • Extensive experience troubleshooting issues / performance tuning of app servers during project phases and migrations to higher versions, assisting developers in the process.
  • Extensive experience in securing app / webservers through SSL and Certificates using Keytool / openssl.
  • Extensive experience installing / configuring Middleware components through Ansible on multiple servers.
  • Extensive experience configuring LDAP / AD with Weblogic and Apache HTTP Servers.
  • Experienced in configured Oracle Access Manager and integration with Weblogic.
  • Experienced in writing Unix shell scripts and build scripts using ANT, Maven.
  • Experienced in DevOps tools (installation / configuration and administration) such as Ansible, Gitlab, Bitbucket and Jenkins.
  • International cross-functional experience managing projects across geographies and levels of management.

Languages

English
Full Professional

Timeline

Systems Engineer

Zions Bancorporation (Contract Employee)
04.2025 - Current

Senior Middleware Engineer

Guidewell Source
04.2023 - Current

Senior Middleware Engineer

DXC Technology, Formerly Hewlett Packard
04.2011 - 04.2023

Oracle and IBM Middleware Administrator / J2EE Administrator

Skolix LLC, Symantec Corporation
04.2010 - 03.2011

Graduate Research Assistant

University Of Missouri
09.2007 - 12.2009

Software Engineer / Middleware Engineer

Larsen and Toubro Infotech
08.2005 - 06.2007

Bachelor of Engineering - Electronics and Telecommunication

Shri G.S. Institute of Technology & Science

Master of Science - Electrical And Computers Engineering

University of Missouri