Manager Engineer
Resume:
ARUN KUMAR
Middleware -DevOps Administrator, *+ Years of exp.
****.*******@*****.***
ABOUT ME
Experienced Middleware Engineer, skilled in Enterprise Automation with Ansible, Linux shell & Python scripting, management of Enterprise web and app servers including WebLogic Application Server, Jboss, Tomcat, Apache, IHS Web server. Experience on Cloud Technologies like Amazon Webservices, Kubernetes, Docker. Strong information technology professional with Bachelor degree in Engineering and Master degree in Computer Science.
SKILLS
WebSphere Application Server 8.5
Sumologic/Splunk
WebLogic 11g/12c
Database Systems: PostgreSQL, MySQL, Microsoft SQL Server, Oracle 9i/10g/11g
IHS /Apache as webserver
IIS & Release automation Tool
Tomcat 8, 8.5 and 9.0 Server
Wily Monitoring Tool
WLST, Python, C, C++, Java/J2EE, PHP, JavaScript, Perl, bash shell scripting
Tivoli Performance Viewer
Jboss EAP 7.1
Maven & Ant
AWS/Kubernetes/Docker
ServiceNow
Professional qualification
8+ years of experience in the field of IT, in Development, System Integration, QA, and Production environments under cross platform consisting of Windows, Red Hat, AIX and Sun Solaris operating systems.
Excellent knowledge of operation & support with large mission critical systems in multiple technologies and platforms including Oracle Fusion Middleware 12c/11g WebLogic, Administration on Oracle Identity Management 11g, Oracle Access Manager 11g, Oracle Service Bus, RabbitMQ/ActiveMQ, Oracle Databse (10g/11g/12c), Central Authentication Service (CAS), Apache and Unix.
Extensively worked on Weblogic 9.x, 10.x/11g,12c Server, Apache http Server, Apache Tomcat Server as administrator for Server Installations, Configuration, Application components deployment, performance tuning including troubleshooting and maintenance.
Good theoretical knowledge on Oracle SOA suite administration, installation, configuration, tuning and customization.
Expertise in migration and upgrading Weblogic Server and updating JDK versions, applying patches and installing service packs for Weblogic server.
Excellent working knowledge in finding Memory Leaks and adjusting JVM Heap Size and Garbage Collector parameters during performance monitoring and performance tuning of Weblogic server
Deployed various WAR, JAR, EAR and J2EE applications on managed servers and in clustered environment using Console or auto deployment scripts in stage and production.
Configured and administered JDBC Connection pools and JMS Connection Factories and implemented other services like JNDI and SNMP.
Experience with Amazon AWS Cloud Administration which includes services like: EC2, Auto scaling, Cloud Watch, Cloud Trail, Cloud Formation, Trusted Advisory, Security Groups.
Experience in metric/audit pipeline flow of application data ingestion involved in Kafka, EMR, ElasticSearch, Kibana, Apache Spark, Influxdb and Grafana.
Good understanding of Amazon Web Services, Kubernetes and Docker.
Experience in Systems/Network Administration, Virtualization, Cloud Computing, Configuration Management and Continuous Deployment in multiple environments.
Excellent communicator: leverage technical and business to communicate effectively with client executives and their respective teams.
Knowledge of all phases of Software Development Life Cycle with good designing, coding, testing, debugging, and troubleshooting skills.
Extensive experience in IT industry in various roles with excellent experience in DevOps Methodologies, Continuous Integration,
Configuration, Build & Release management and Deployment methodologies for several markets driven international organizations
Implemented SSL security between client, Webserver & application server and generated Self Signed and Signed Certificates
Act as liaison between business groups, project team and development team and coordinate activities, tasks.
Hands-on experience in analytical and problem-solving skills. Willingness and ability to quickly adapt to new environments and learn new technologies.
PROFESSIONAL EXPERIENCE
State University of New York System, ITEC – Buffalo, NY
Middleware Administrator/DevOps Administrator December 2016 – present
Worked on installation and configuration of Oracle Fusion Middleware technologies and components
Administer, Monitor, Support and Secure the Weblogic environment and be able to take proactive corrective action.
Installing, configuring and troubleshooting of Tomcat & Weblogic Application Server.
Experience in Installing, Configuring and Administering Web Servers like IIS, Oracle HTTP Servers
Creating Cells/Nodes/Application Servers, configuring & troubleshooting application server clusters and webserver plugin issues.
Worked on migrating configuration of Oracle HTTP Server instances from Forms11g 11.1.2.2 to OHS 11.1.1.9 for TLS 1.2 Apache Support.
Worked on upgrading Oracle Weblogic Instances from 10.3.6.0 to 12.2.1.0.0
Perform scheduled maintenance: patching and security compliance.
Implement, Maintain and Troubleshoot WebLogic SSL/LDAP integration with SSO
Resolved issues and application problems in coordination with campus, sicas(development team) and ellucian.
Provided technical assistance for architecture, tuning, automating, and deployment of applications on middleware services
Evaluated applications for achievement of business critical and operational functions
Middleware administration includes monitoring, supporting and troubleshooting the application server and webserver issues
Performed mitigation of risk issues to identify potential issues and alternative solutions.
Maintained technical documentation such as operational procedures, scripts and automated jobs
Enabling Secure Socket Layer (SSL) among different components of middleware like Web Servers and Application Servers.
Worked on Oracle Forms and Reports to support SUNY campuses.
Actively handling the on-call pager for Production issues
Trained on DevOps tools which includes Docker, Ansible and Kubernetes.
Create docker file and re-use the image from docker hub registry for installing logstash service using Infrastructure as a code with terraform.
Setup AWS cloudwatch system check, instance check alerts based on various thresholds.
Configured S3 buckets with various life cycle policies to archive the infrequently accessed data to storage classes based on requirement.
Created snapshots to take backups of the volumes and also images to store launch configurations of the EC2 instances.
Configured Elastic Load Balancers with EC2 Auto Scaling groups
Worked on utilization of openstack elastic/ steel cloud instances with terraform.
VSoft Consulting, Inc
Sr. Middleware Administrator January 2015 – November 2016
Client: Executive Office of Health and Human Services, Quincy, MA
Installing and Configuring Oracle WebLogic 11g/12c, Oracle SOA components, Business Process Management and configured BPM workspace
Involved in upgrading from SOA 11.1.1.5 to 11.1.1.7 and upgraded Weblogic from 10.3.5 to 10.3.6
Integrated Oracle Access Manager 11g, Oracle Identity Server 11g on WebLogic 11g with OHS 11g webserver
Troubleshooting errors both Application & JVM also analyzed heap and core plus error logs – configured tuned JVM for optimum performance.
Created and managed data source and database connection pools.
Involved in performance tuning of Application Server, Web Container and database connection pool.
Coordination between Application Support Team, Testing team, Database Team for successful application release in Production Live environment.
Responsible for deploying enterprise applications from Admin console and enabling security using LDAP for admin console and application components on AIX.
Configured Clusters and Instances for improved availability and failover capability.
Experience in developing web based applications using JDK 1.3/1.4/1.5/1.6, JAVA/J2EE, Applets, Servlets, JSP, HTML, XML, JavaScript and JDBC.
Prepare/Review and Monitor Status of servers on daily basis.
Team co-ordination in handing over the shift and Knowledge Sharing
Handling the incidents and change requests raised by the application teams related to middleware
Weblogic server administration includes monitoring, supporting and troubleshooting the application server issues.
Analysing the alerts from Introscope, Sitescope and other monitoring tools to provide 100% availability of the environment
Regular housekeeping of filesystem in weblogic application server.
Application deployment in all environments like Weblogic 8.1/ Weblogic Portal
Coordinated with Oracle support for issues related to new weblogic portal environment and documented the solution
Involved in migration of security system from Oblix to Oracle Access Manager
Involved in Business Objects report migrations and troubleshooting the report issues
Handling the incidents and change requests raised by the application teams related to middleware
Analyzing the alerts from Introscope, Sitescope and other monitoring tools to provide 100% availability of the environment
Coordinated with Oracle support for issues related to new weblogic portal environment and documented the solution
Administer all Oracle Fusion Middleware components (Weblogic, SOA, OSB, OHS)
Provided 24x7 on call support in production environment on rotation basis.
InnoSoul, Inc
WebLogic Administrator/Release Engineer May 2012 – September 2014
Client: Executive Office of Health and Human Services, Quincy, MA
Installed, Configured and Administered WebLogic 8.1/9.2/10.0 in clustered environments.
Responsible for handling the Support Incident Database - the online ticketing system.
Configured domains, clusters, JDBC Connection Pools, Data sources, JMS Servers.
Automated the deployment process of WAR, EAR and J2EE applications in WebLogic Server 8.1/9.2 using WLST (WebLogic Scripting Tool), UNIX Shell Scripts and weblogic deployed utility.
Comfortable in monitoring mission critical applications using tools like Introscope and Site scope.
Design, Configuration and Testing of IBM MQ 6.0 Series as a foreign JMS with WebLogic Server.
Configured LDAP using Netscape directory Server for user authentication.
Installed and Configured apache web server as a proxy plug-in for WebLogic Server.
Configured the reliable HTTP Session management for clustered applications, DNS, FTP and Virtual hosts.
Used F5 Big-IP hardware Load Balancers to increase throughput, performance, availability and quick restoration of service.
Created CronJob Scripts for timely running jobs.
Administer HP-sitescope for monitoring the server conditions like CPU, Memory, disk and application status.
Administer Wily-Introscope for monitoring the JVM active & hogging threads, active connections etc.
Enabling Maintenance page on webserver during scheduled/un-scheduled outages.
Installation of SSL certificate on IHS and IIS web server.
EDUCATIONAL QUALIFICATION
Degree
Year
Domain
Bachelor
2006 - 2010
Electronics and Communication Engineering (J.N.T.University - HYD, INDIA)
Master
2010 – 2012
Electrical and Computer Engineering (Southern Illinois University - Carbondale, IL)
Master
2014-2015
Managing Information Technology
(Sullivan University – Louisville, KY)
CERTIFICATIONS
IBM Certified WebSphere Application Server Administrator 8.0
WebLogic 11g Certification
AWS Certified Cloud Practitioner
ITIL Foundation (GR750288580AP – Credential ID)
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