SUMMARY

• In - depth experience as a Middleware Administrator and integrating it with other enterprise software likeWeblogic, apache-tomcat, IBM-Websphere, MQ. Directory Server ldap, Tivoli Access Manager and Production Support of various systems/software on Linux (Red Hat) and Windows environments.
• Administered and Maintained Enterprise Applications usingweblogic, websphere, IHS Web Server, IBM MQ, Control-M, JBoss, iPlanet, etc.
• Experience in Installation, Configuration, Backup, Disaster Recovery, Maintenance, Support of Linux and Windows servers.
• Strong proficiency in supporting Production Cloud environments (AWS and Azure) as well as traditional managed hosted environments.
• Experience in working with AWS cloud platform and its services like EC2, RDS, S3, VPC, Security Groups,ELB/ALB, IAM, Route 53, AMI, Snapshots, EBS, CloudFormation, Auto Scaling Groups, CodeDeploy, CloudWatch, ECS, Elasticache, Lambda, SNS and other services.
• Having good exposure with Azure services like Resource Groups, Virtual Machines, Virtual Networks, Security Groups, Application Gateway and SQL database.
• Having extensive experience with Configuration Management tools like Ansible.
• Experience with DevOps Build/Release Management, Change/Incident Management and Cloud Management.
• Experience in DevOps tools like SVN/GIT, Jenkins/uDeploy, Maven and Ansible.
• Experience with Docker containers and managed Docker Engine cluster with Kubernetes.
• Expertise in Configuration and administration of Jenkins for Build and Deployment Automation.
• Extensively worked with Version Control System tools like SVN, GIT, GITLAB/One-Stash and TFS.
• Application Deployments & Environment configuration management using Iaac tools like Ansible.
• Expertise in System performance tuning, capacity planning and Disaster Recovery planning.
• Experienced with monitoring tools such as NewRelic, Wily Introscope, AppD, Grafana and ELK stack.
• Good knowledge in Bash scripting & expert in configuring, troubleshooting and administering Apache and Tomcat web servers, Jboss and worked with IBM-WebSphere.
• ITIL specialties include, but not limited to, incident, problem, Event, Request Fulfillment, change, Release & Deployment, Configuration, Knowledge, Performance & Service Catalogue Management.
• Specialties: Build production support teams and handle 24x7 production support in the mission critical environments. Work on multiple projects simultaneously with quality and complete in time. Possess excellent knowledge on Linux and Windows Servers.

TECHNICAL SKILLS

Platforms: Solaris, HP-UX, Linux, AIX 4.3/4.5, Windows (All Versions), UNIX

App Servers: Oracle Web logic 8.x/9.2/10.x/11g/12c BEA Tuxedo 8.1, Apache Tomcat, JBoss, IBM-WebSphere.

Web Servers: Sun java Access Manager, Sun one I-Planet and Apache

Virtualization: AWS, VMware

Simulation Software: Cadence, Silicon Assemble, Magic (VLSI), Mat lab

Languages: Java, C, C++, Python, HTML, DHTML, XHTML, XML, XSL and SQL, WSDL

Technologies: J2EE, Servlets, Applets, Swing, EJB, JMS, JDBC, JNDI and RMI.

Databases: Oracle9.0i/10g/11g,SQL server and Postgres.

CI/CD: Jenkins, uDeploy

Scripting: WLST, Shell Scripting and Ansible

Misc. Tools: JIRA, Hyperic, MS Front Page, MS Visio, Net- scalars, F-5 Load balancer, Wily Introscope, MQ Series 6.1&7.0, Jenkins, J-integrity, Newrelic, Kibana.

PROFESSIONAL EXPERIENCE

Confidential

Internet Application Support Engineer

Responsibilities:

• Provided infrastructure support on different E-commerce applications.
• Migrated applications to public cloud which are hosted in on-premise data centers.
• Installed application on AWS EC2 instances and configured the storage on S3 buckets.
• Setting up databases in AWS using RDS, storage using S3 buckets and configuring instance backups to S3 bucket.
• Monitored systems and managed Monitoring services with SQS, SNS and CloudWatch. Configuring Elastic Load Balancers with EC2 Auto scaling groups.
• Maintenance of the WebSphere Application Servers on disturbed platforms and setting up the development and testing and staging environment for the ongoing application development.
• Identified and fixed MQ 8.0 issues
• Installed, configured, administered and supportedWebLogic 12c
• Debugging of the application problems working very closely with development teams.
• Automating existing manual deployments using Jenkins.
• Responsible for managing Jenkins jobs and reports, identifying failures and fixing issues.
• Worked with Ansible playbooks for Configuration Management.
• Modernized legacy applications by using Docker containers in K8s platform.
• Worked with Helm packages and Templates.
• Managed secrets with SealedSecrets and Secret files in K8s environment.
• Involved in creating yaml files for service deployments, service expose, HPA, Ingress rules and configMaps.
• Ability to effectively prioritize and handle multiple tasks and projects utilizing IT process knowledge and full system Development Life Cycle (SDLC).
• Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management (WLM) including horizontal scaling and vertical scaling.
• Hands on experience in defining synchronized and persistent IBM MQ Series Queue/Topic Connection Factories, Queue/Topic Destinations to the Application Server.
• Managing cron jobs, batch processing and job scheduling.
• Debugged Weblogic Application Server connection pooling and connection manager with Oracle.
• Troubleshoot hardware and software problems, and interact with IT staff or vendors in performing complex testing, support and troubleshooting functions.
• Installed and Configured Wily Introscope 7.x/8.x for monitoring alerts to the WebSphere servers.
• Worked with different monitoring tools like Datadog, NewRelic, Splunk and created dashboards, configured alerts on different metrics.

Confidential

Middleware Administrator

Responsibilities:

• Installed and configuredWeblogic11g and 12c for both development and production environments
• Implemented HORIZONTAL and VERTICAL scaling for workload management.
• Created clusters for workload balancing over by creating Horizontal and Vertical Clusters.
• Troubleshootingmiddleware servicesapplication related and deployment issues.
• Migrated weblogic Application Server from 11.x, to 12c.
• Managed and Monitored the JVM performance by threads, Heap Size, Garbage collection
• Managed Authentication, Authorization, Access control for security issues and virtual host’s activities.
• Analyzed java exceptions, which are generated during the usage of applications and performed tuning of applications.
• Configured WMQ, setting up of Queues, Queue managers and Channels.
• Monitored and maintained MQSeries objects such as Queue Managers, Queues (Local, Remote), channels and listeners.
• Enabled Triggering of Queues for monitoring and automation.
• Pro-actively monitored and performed daily tasks (checking error logs, Fail over queues, System Logs) to maintain a healthy system.

Confidential

Middleware Administrator

Responsibilities:

• Installation and configuration of oracle web logic 11g server in multiple Data Centers.
• Involved in vertical and horizontal clustering (Hybrid) of web logic servers.
• Configured and administered JDBC Connection Pools for JDBC Connections, on Web logic Server 10.3 and 11g.
• Configuration of the application server to each individual application requirement. (Services Integration Bus- JMS, Web Services, JDBC environment variables, Security)
• Performed checks for CPU Utilization, Memory Heap Utilization, Thread usage, and response times.
• Experience in the installation, configuration, tuning/sizing, clustering, deployment and problem resolution of WebSphere Middleware Components.
• Used internal tool JIRA as ticketing tool.
• Used BMC Remedy for Change Management Process.
• Provided 24/7 on call Production Support involving to monitor Oracle Web logic 10.3/11g, Sun java Access manager, Sun one Web server, Apache web server
• Worked on the DR (Disaster Recovery) building of application involved Design, Planning, Installing Web logic 10.3 & 11g, Installing Sun one Web server, Apache Web Sever.

Confidential

System Administrator Intern

Responsibilities:

• Managed tickets assignments, executed all UNIX user account adds/deletes, requests, and escalations.
• Designed standard operating procedures and compiled all previous standard operations procedures into one consistent format.
• Ran software upgrades across multiple servers and multiple upgrades on individual servers (batch upgrades).
• Compiled weekly server performance reports for upper management including chief information officer Spearheaded Nagios integration operations for UNIX team.
• Worked with IBM AIX UNIX servers. Worked with Red Hat Enterprise Linux servers.
• Shadowed senior system analysts and senior system programmer.
• Became proficient in Unix Administration and with the Putty terminal.
• Troubleshooting server issues and expanded storage on file systems. Granted access to new UNIX user ID's.