SUMMARY

• Extensive 12+ years of IT experience in Weblogic (7.x/8.x/9.x/10.x/11g/12c), Tomcat (7.x/8.x) and WebSphere Application Server (5.x/6.x/7.x/8.x), Web Servers (IHS 6.0/6.1, Sun One 4.1, IIS, Apache 2.0) Installation, Configuration, Deployment, Administration for Development, Testing, Production environments on Linux, AIX, Sun Solaris, and Windows platforms and around 5 years of experience as DevOps Engineer
• Expertise in creating DevOps strategy in a mixed environment of Linux servers and Windows on Amazon Web Services (AWS).
• Experience in Automating complex build and deploy (CICD) processes using DevOps tools like Ansible, GIT, Jenkins, Nexus and Maven.
• Dockerise legacy applications and migrated into AWS public cloud maintaining high resilience container cluster with orchestration tools like Docker Swarm and Kubernetes (K8s).
• Hands on experience in Server builds, patch releases and automation of other complex System admin activities using Shell scripts, Ansible.
• Application Deployments & Environment configuration usingChef, Puppet.
• Experience on OpenShift platform in managing Docker containers Kubernetes Clusters.
• Experience in branching, tagging and maintaining the version across the environments using Version Control tools like GIT and Continuous Integration (CI) Tools like Jenkins on Linux and Windows environment.
• Expertise in automating various build and deployments using MAVEN, Shell, JSON and YAML Scripts.
• Expertise in doing POC on upcoming technologies to better maintain DevOps ecosystem.
• Experience in core AWS services (S3, EC2, ELB, EBS, Route53, VPC, Auto scaling etc.) and deployment services (Cloud Formation) and security practices (IAM, Cloud watch and Cloud trail).
• Hands on experience with AWS EBS, storage service AWS S3 (buckets creation, folder navigation and property changes) and data migration.
• Experienced in Python and shell scripting for automating tasks.
• Experience on AWS EC2 Instances provisioning, AWS VPC setup, AWS Auto Scaling for availability of EC2 Instances and availability of applications.
• Strong working experience in building S3 buckets and managing the access permissions using bucket policies and access control lists (ACL) and dealt with object life cycle management.
• Good familiarity in creating AWS EC2 instances in secured private subnet and deploying them in load balancing, assigning Elastic IP Addresses for AWS EC2 instances.
• Experienced in Provisioning of IAAS & PAAS concepts of cloud computing and Implementing using Aws, Azure, understanding the principles of (SCM) in Agile, Scrum and Waterfall methodologies.
• Experience in managing the Azure infrastructure for our customers depends on their requirements. Worked on Microsoft Azure Storage - Storage accounts, blob storage, managed and unmanaged storages. Responsible for web application deployments over cloudservices (web and worker roles) on Azure, using VS and PowerShell.
• Hands-on experience in Azure Cloud Services (PaaS & IaaS), Storage, Web Apps, Active Directory, Azure Container Service, VPN Gateway, Content Delivery Management, Traffic Manager, Azure Monitoring, OMS, Key Vault, Visual Studio Online (VSO), Cognitive Services (LUIS) and SQL Azure.
• Expertise in Multi Clustered environments with large-scale applications in multiple operating systems environments - Sun Solaris, AIX, Linux, and Windows platforms.
• Experience in migrating the existing applications configuration from WebSphere Application Server 7.0.0.17 to 8.0.0.6.
• Expertise in installing, configuring and troubleshooting IBM HTTP Server, Apache Server, iPlanet, IIS and Netscape Enterprise Server on different Windows and UNIX platforms.
• Extensive experience in JVM tuning, debugging skills, WAS configurations, session management, Virtual hosts and custom services.
• Experience in deploying the .JAR, .WAR and. EAR applications in clustered environment and maintaining, troubleshooting of applications in WebSphere and Weblogic environment.
• Expertise in administration, configuration, workload management (WLM) and performance tuning of WebSphere Application Server 5.0/5.1/6.0x.
• Expertise in UNIX Shell scripting and worked with Python scripting.
• Creating the Problem Management Record (PMR) with IBM for updating/fixing the unresolved bugs or issues.
• Experience using Relational databases like DB2, ORACLE, SYBASE and SQL Server as part of environment setup.
• Experience in configuring and administering Data sources, Connection Pools for JDBC connections, JMS server with IBM MQ series in Weblogic and JMS connection factories.
• Installation of BEA patches using Smart Update tool, Opatch and troubleshooting application and post-installation issues.
• Created Managed Servers and Node Manager in Production Servers and test environments.
• Experience in CA Wily Introscope for setting up an Enterprise Manager, Workstations and Dashboards for monitoring the Performance of Application Server and extensively worked with Monitoring tools like NewRelic, Datadog,ELK and Grafana.
• Setup zookeeper, kafka manager and kafka brokers across multiple zone
• Strong knowledge of taking Thread Dumps for performance of the Weblogic servers in different platforms (windows, Linux, & Solaris).
• Configured LDAP using Sun ONE Directory Server for user authentication.
• Implementation of Identity Management (IDM 6.x), LDAP Directories, Single Sign-On (SSO), Access Management, Role-Based Access Control, Federation, Authentication and Authorization technologies
• Administration and Maintenance of WAS ND clusters, creating mem-to-mem replication domains and deployment of applications in highly available, load balanced production environments.
• Good knowledge in creating SCM Process (in Agile/Scrum methodologies), policies, procedures and Release Notes to follow Development and allow QA teams to Release and Deploy highest quality product for the enterprise.
• Experience in operational 24x7 support, best practice in troubleshooting, monitoring, capacity planning and maintenance. Provided support as needed for Production Issues.
• Ability to rapidly learn new concepts together with excellent interpersonal skills. Ability to communicate requirements effectively to team members and manage applications. Experience in providing 24/7 on-call support for applications

TECHNICAL SKILLS

Operating Systems: Linux, Solaris, IBM-AIX, HP-UX, RHEL, SUES Linux, Windows 98/200/NT/XP

Cloud Technology: Amazon Web Services (AWS), Azure

AWS Services: S3, EC2, ELB, EBS, EMR, Route53, RDS, VPC, Auto scaling, Elastic Beanstalk, Lambda, OpsWorks, Cloud Formation, IAM, Cloud watch, Cloud trail

Configuration Management Tool: Ansible

CI Tool: Jenkins

Build Tool: Maven, Ant

Version Control Tool: Git, SVN

Monitoring Tool: Nagios, NewRelic, Grafana, ELK, Datadog

Web/Application Servers: IBM WebSphere Application Server 4.0/5.0/5.1/6. X, 7, 8. Websphere Portal server V6.X and V7, Apache 2.x, Sun ONE, MS IIS Server, IBM - HTTP Server (Apache base 2.0 and 2.2.8)

Languages: UNIX Shell Scripting, C#, JACL, JYTHON, Python,Groovy, yaml, Json

Networking and Protocols: TCP/IP, Telnet, FTP, SMTP, SNMP, ARP, RIP, VLAN, Ping, SOAP and HTTP

Load Balancers: Cisco Content Service switches, Citrix NetScaler, F-5, Cisco GSS, Data Power XI50, XI52

Databases & DB Tools: Oracle, Hbase, MS SQL Server 2000, SQL Plus, MS Access

Bug Tracking Tools: Jira

PROFESSIONAL EXPERIENCE

Confidential, Philadelphia, PA

Cloud DevOps Engineer

Responsibilities:

• Did setup Automation Build &Deploy (CI/CD) environments for different teams in Migrated Existing Application to AWS, Amazon AWS Cloud Administration which includes services like EC2, S3, EBS, VPC, Elastic Load Balancer (ELB), AMI, EMR, AWS CLI, Auto scaling Servers, Storage Lifecycle rules, Elastic cache, Kinesis, SQS, SNS, RDS, lambda, IAM, DynamoDB, Route 53, API Gateway, Redshift, Auto scaling, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation
• Created various terraform modules, designed to build, change, version, infrastructure across multiple providers - AWS, Azure
• Did build cloud applications, application development, micro-services, rest api webservices development and familiarity with Infrastructure-as-a-Service (IaaS) and PaaS with Spring, Spring Boot, Angular, .Net framework.
• Support and continuous improvement of a sophisticated and fully automated CI/CD processes and managing and updating pipelines using tools like Gradle, Docker, GitHub, Chef, Nexus, selenium, Jenkins, Jmeter, JUnit, Tomcat, Weblogic, WebSphere, Jboss, SonarQube, Selenium, Cucumber... etc.
• Partnered with application developers and architects to ensure our services are built for reliability, scalability, maintainability, cost-effectiveness, risk management and performance.
• Developed the monitoring solutions on top of existing observability platforms, Refined the development, build and deployment processes on top of our main infrastructure
• Worked with the application teams to architect and build our platform services to simplify real-time troubleshooting and operational response to incidents and outages
• Provided architectural and practical guidance to software development to improve resiliency, efficiency, performance, and costs
• Lead team Incident, Risk & Release management, RCA root cause analysis, new technology improvements creating POC proof-of-concepts for various technology stacks.
• Monitored and report on service level objectives for a given applications services. Work with business and product owners to establish key performance indicators
• Did Capacity planning and management - create, use, maintain a capacity model for on-prem and AWS, Azure, based on E2E user flow profiles
• Worked with product operations team to resolve trouble tickets, developing and running scripts, and troubleshooting services in a hosted environment
• Did automate provisioning AWS EKS Kubernetes with managed node groups using terraform with Blue Green Deployment strategy Jenkins Pipeline and did setup cloudformation template to provision docker AWS ECS Fargate to Access Private applications on AWS Fargate using Amazon API Gateway Private Link with network load balancer NLB.
• Implemented Apache Kafka(producer app to publish clickstream events into Kafka topic) and Amazon EMR cluster with Hadoop, Hive, and Spark(to process clickstream events data with SparkSQL) in VPC private subnets.
• Implemented AWS Landing Zone leverages AWS Service Catalog to grant administrators permissions to create and manage AWS Landing Zone products and end user’s permissions to launch and manage Account Vending Machine.
• Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX Red Hat Linux Systems, Installation, configuration and upgrade of Packages and Patches configuration mgmt, version control, service pack & reviewing connectivity issue regarding security problem, Performance tuning, troubleshooting issues.
• Did setup integrating SonarQube, Fortify, Junit, Splunk, Selenium with Jenkins Pipelines, configuring AD Binding, DataSource, JMS Module, JNDI in WebLogic, Java web environments (IIS, SharePoint, WebLogic, JBoss, Tomcat, etc.)
• Built Chef infrastructure for business unit with fully automated using Jenkins CICD pipelines and create various chef cookbooks, recipes and managed 200+ servers as chef nodes, integrated AWS cloud platform with Terraform & chef cookbooks, testing recipes with test kitchen with vagrant, extensively used knife tool for chef management.
• Did 24/7 on call support and coordinating with different teams for resolving the infrastructure issues.

Environment: AWS, NoSQL, MS SQL, Git, Jenkins, Chef, PCF, Docker, Kubernetes, CloudFormation, Terraform, MongoDB, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation, Java/J2EE, RESTFUL & SOAP Webservices, PHP, Node.js, Elk, Bugzilla, Nagios, Red Hat Linux, Packer, Sonar, Nexus, JIRA, Vagrant, Azure, Python, Maven, Ansible, ANT, IBM MQ, Spring.

Confidential, Austin, TX

Cloud DevOps /Site ReliabilityEngineer

Responsibilities:

• Designing and implementing Continuous Integration, Continuous Delivery and Continuous Deployment pipelines.
• Automating environment build and provisioning using containerization and orchestration tools with Docker and Kubernetes.
• Introducing and implementing DevOps solutions by creating automated build, deployment, monitoring, testing and reporting pipelines and solutions.
• Building/Maintaining Docker container by using Jenkins Pipeline utilizing customized base image to build docker images for each of application components.
• Using concourse CICD pipelines for drive all microservices builds out to the local docker registry and deploy onto Kubernetes.
• Replaced existing manual deployment and management processes withAnsible/Chefin 5 different environments
• Experience working with AWS/RedHat OpenShift Infrastructure design, deployment, and operational support.
• Maintain and enhance automation to support setup and provisioning of new projects in OCP and OpenShift upgrades.
• Creating scripts in Groovy which integrate with Jenkins for Automation to create seed jobs.
• Implementing aContinuous Deliveryframework usingJenkins, Chef, Maven & NexusinLinux environment.
• Manage deployment automation using Chef, MCollective, Hiera, Custom Puppet modules, Ruby.
• Update withJenkins pipelines and OpenShift templates to make use of the new environment.
• Automated CI CD process using Jenkins, build-pipeline plugin, maven, GIT
• Managing and operationalizing Continuous Delivery pipeline applications/tools and infrastructure such as Jenkins, Jfrog/Artifactory
• Experience working with RedHat OpenShift Infrastructure design, deployment, and operational support.
• Worked on Jenkins jobs to new server, Jenkins pipelines, and Dockerise build environments
• UtilizedKubernetesfor the runtime environment of the CI/CD system to build, test and deploy.
• Automated the deployment process with approvals across multiple environments using Jenkins and containerized the entire components with Kubernetes and docker.
• Introducing Continuous Integration and containerization principles and best practice to multiple product teams, introducing and onboarding them to Kubernetes, Docker and Jenkins pipelines
• Working closely with Architecture, Development, Test, Security and IT Services teams.
• Working with Development and Test teams to create fully automated CI/CD Pipelines using Gitlab and Jenkins
• Built and deployed Docker containers to break up monolithic app into microservices, improving developer workflow, increasing scalability, and optimizing speed
• Developing scripts for build, deployment, maintenance and related tasks using Jenkins, Docker, Groovy, Maven, Python and Bash.
• Installing, configuring and maintaining Continuous Integration, Automation and Configuration Management tools
• Implementing and developing solutions enabling Development and Operations teams to build, deploy, monitor and test applications and environments
• Evaluating and advising on virtualization and containerization solutions
• Setting up and introducing Continuous Deployment processes and advising on best practice
• Designing, implementing and supporting fully automated Continuous Integration and Continuous Delivery processes

Environment: CentOS, RHEL7, Solaris, Websphere,Chef, Jython, Python, Groovy, OpenShift, Docker, Kubernetes, Helm, GIT, One-Stash, Jenkins, Node.js

Confidential, Irvine, CA

Cloud DevOps /Site ReliabilityEngineer

Responsibilities:

• Provided infrastructure support on different E-commerce applications.
• Worked with AWS services like EC2, VPC, ENI, SecurityGroups, ELB, AMI, EFS, S3, EBS, EMR, IAM, KMS, ACM, CloudFormation Templates, CodeDeploy, AutoscalingGroups,CloudWatch, Elasticache and ElasticSearch.
• Migrated applications to public cloud which are hosted in on-premise data centers.
• Creating custom Amazon Machine Images with CloudFormation, Ansible.
• Involved on configuration, development of Hadoop data environment with AWS cloud such as EC2, EMR, Redshift, Route 53, Cloud watch.
• Created Jenkins job to build the artifacts using MAVEN, deploy the Terraform templates to create the stack and experience in Installing and configuring basic High Availability Web Platforms using Terraform.
• Involved in AWS servers’ rehydration process and encrypted AMIs, EBS Volumes.
• Configured auto deployments on AWS environment with S3, Lambda and CodeDeploy.
• Configured CloudWatch log groups, log streams for collecting application logs and configured CloudWatch dashboard on different metrics.
• Implemented Terraform modules for deployment of various applications across multiple cloud providers and managing infrastructure.
• Created a highly available, scalable environment for different java applications on AWS.
• Worked with Ansible playbooks for Configuration Management.
• Built Continuous Integration environment using Jenkins, Nexus, Yum and puppet.
• Worked with Jenkins and created CI/CD pipeline for auto-release on lower-level environments.
• Created nightly-build jobs on prod and non-prod environments.
• Modernized legacy applications by using Docker containers in K8s platform.
• Automated the cloud deployments using chef, python and AWS Cloud Formation Templates.
• Involved in creating yaml files for service deployments, service expose, HPA, Ingress rules and configMaps.
• Utilized Tomcat and Apache servers for cloud server management.
• Worked with load-balancer network rules on NetScaler and webserver proxy rules on Apache, NginxI-planet.
• Involved in application release management and supported load test monitor on prod servers.
• Worked with different monitoring tools like Datadog, NewRelic, Splunk and created dashboards, configured alerts on different metrics.

Environment: AWS, RDS, CentOS, RHEL7, Solaris, Windows 2016, Casino, Weblogic, Websphere, Jython, Perl, Python Docker, Kubernetes, Twislock, Hbase, Helm, Tiller, GIT, One-Stash, Jenkins, Redis, Node.js, Ruby, AEM, WebLogic, ELK, Wily, Datadog, New- Relic, K8s dashboard and Grafana.

Confidential, San Mateo, CA

Application Support /DevOps Engineer

Responsibilities:

• Working as Middleware Support Engineer supporting the applications for San Mateo County which are running on the WebSphere Application Server and Oracle WebLogic Server in Development and Production environments
• Installed, Configured and administered Oracle WebLogic Server (10.0 MP1, 10.0 MP2, 11g,12c), IBM WebSphere Application Server 7.x and Webservers like iPlanet/Apache in Development, Test and Production Environments.
• Migrated WebLogic Server applications from existing version 8.1/9.2 to 10.0 MP2.
• Involved in complete infrastructure setup and configuration which included WebSphere ND 7.x and WebSphere MQ 7.x.
• Configured Virtual Hosts, Web Applications, Web Resources and JDBC drivers.
• Configured WebSphere Application Server on multiple platforms for both horizontal and vertical clustering.
• Responsible for deploying enterprise applications & written extensive JACL/Jython scripts for auto deployment, monitoring scripts, scheduled backups.
• Responsible for taking the source code and compiling using ANT and package it in its distributable format such as JAR, WAR and EAR and deploying them in the WebSphere application server.
• Configured security & involved in setting up trust between servers.
• Conducted performance testing of Apache and Tomcat management services.
• Utilized cloud and automated infrastructure tools such as Maven and Selenium.
• Worked on multiple POC’s to implement devops strategies within the limitation of county financial approvals.
• CreatedDocker container using Docker images to test the application.
• Managed secrets with SealedSecrets and Secret files in K8s environment.
• Created and updated puppet manifests and modules, files, and packages stored in the GIT repository, created local, virtual repositories in Jfrog Artifactory, and integrated with TeamCity.
• Developed Chef Cookbooks and Recipes to manage systems configuration.
• Run Ansible Scripts to provision Dev servers.
• Implemented Continuous Integration and Continuous deployment using various CI Tools like Jenkins, Hudson, Bamboo, and Nexus.
• Involved in performance tuning of Application Server, Web Container, EJB Container and database connection pool.
• Created IBM Problem Management Records (PMR) to report WebSphere Application Server problems.
• Analyzed log files to solve problems using debugging tools like Log Analyzer, First Failure Data Capture logs and Collector Tool.
• Troubleshooting Websphere problems using Heap Analyzer for tuning and application performance and Tracing.
• Deployed applications (WAR, JAR and EAR) using WLST, Anthill
• Maintained Load balancing, high availability and Failover for the servers
• Installed and Configured SiteMinder, iPlanet/Apache Plug-ins for WebLogic and Nginx
• Configured and created JMS queues & topics, Connection Factories, Datasources, connections pools & multi connection pools.
• Set up Secure Sockets Layer (SSL) communication between iPlanet and the WebLogic Application Server.
• Involved in performance tuning of JVM and used Garbage collection Algorithms for better performance.
• Monitor and managing the WebLogic server instances using WSLT and also for the automation purpose.
• Involved in troubleshooting and fixing day-to-day problems of the applications in production, production-Fix and testing environments.
• Configured LDAP using directory Server for user authentication
• Installed BEA patches using SmartUpdate tool and troubleshooting application and post- installation issues.
• Installed and Configured Wily Introscope and to monitor WebLogic servers.

Environment: WebSphere Application Server 7.x, WebLogic server 10.0 MP1, 10.0 MP2, 11g,12c, IBM Http Server 7.x, IBM MQ Series 7.x, LDAP, MySQL, J2EE, Apache 2.2, Sunone, Sun Solaris, RedHat Linux 6, Oracle 10g, MQ client 6.0, Wily 7.2.5/8.2.3 , Remedy, Ruby, JMS, JRockit, WLST, Jython, Perl, Python, Ant, Maven, Wily 7.2.5/8.2.3 .

Confidential, Irvine, CA

Application Support Engineer

Responsibilities:

• Working as Middleware Support Administrator supporting the applications for Verizon which are running on the WebSphere Application Server in Development andProduction environments
• Extensively involved in IBM WebSphere Application server configuration, Data Power configuration changes in the environment and Support all thejob types.
• Involved in troubleshooting and resolving problems encountered in the application and during run time of WAS environment.
• Coordinating with different teams, in the part of live issues and troubleshooting with Network, Application and MQ
• Installed and Configured WebSphere Application Server V7, V8 and HTTP Webserver for development and production environments.
• Setup and configure the clusters on cluster environment for load balancing and high availability.
• Experienced in installing and upgrading Fix packs and migrating to latest versions.
• Installation, Configuring, and troubleshooting the IBM WebSphere Portal Server and Installation of fix packs/cumulative fix packs and Refresh packs.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and wsadmin scripts.
• Implemented Horizontal and Vertical Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Servers.
• Working on Daily tickets for the Lower environment with changes as requested by the Application support team.
• Working on Daily Deployments for lower Environment (DEV/SIT/UAT) and overnight weekly Production Changes.
• Patch updates and version upgrades for WebSphere Application servers.
• Involved in Production supports use to monitor the Prod alerts and troubleshooting the issues and taking the necessary heap, thread dumps and analyzing them from middleware side and update the App team.
• Configured and created JMS queues & topics, Connection Factories, Data sources, connections pools & multi connection pools.
• Configured SSL and generated digital certificates, signed them from trusted authorities, configuring certificates for WAS.
• Installed and Configured iPlanet, Apache, OHS web servers for WAS.
• Involved in performance tuning of JVM and used Garbage collection Algorithms for better performance
• Provided technical assistance for Web Hosting team on various Application servers and Web Servers including IBM HTTP Server, Apache Web Server
• Created IBM Problem Management Records (PMR) to report Web Sphere Application Server problems. Analyzed log files to solve problems using debugging tools like Log Analyzer, First Failure Data Capture Tool and Collector Tool.
• Configured Secondary LDAP & implemented LDAP Failover in the environment.
• Embedded Wily Introscope profiles to WebSphere Application Servers JVM for performance monitoring.
• Troubleshooting errors both Application & JVM also analyzed heap/core plus error logs - configured tuned JVM for optimum performance.
• Created automated scripts in ANT and Shell for deploying and monitoring.
• Written wsadmin, JACL and Jython scripts to automate various WAS administration and deployment tasks such as JVM configuration, J2EE application deployment, ear/war installation, backups, JVM export/import.
• Experience in analyzing application problems using tools like Wily Introscope and creating multiple cluster environments.
• Monitored for Application core dumps or forced thread dumps to check for system objects using thread analyzer.
• Involved and supported for maintenance and enterprise releases for several applications.
• Performed failover scenarios testing for a production environment that is a customer facing application.
• Performance and tuning database connection pools, thread pools, JVM Heap Size to required sizes using admin console.
• Participate in testing, as required to ensure that new products do not have a negative impact on the environment.
• Maintained the applications and supported 24x7 on the issues

Environment: IBM WebSphere Application Server ND 7.x/6.x, JBOSS 6.1/5.1.2, EWS 2.0.1, Oracle11g/10g/9.x, IBM HTTP Server 7.x/6.x, Apache server 2.0, AIX5.3, GNU Linux2.6.9, Introscope 8.0/7.0/9.5, Site minder, Application Management Tool (AMT), BMC Blade Logic Configuration Manager 7.6.0.256.

Confidential, Burbank, CA

Application Support Engineer

Responsibilities:

• Installation, configuration, tuning, security, backup, recovery and upgrade of Web Sphere Application Server 7.0x/6.0x in clustered environment on Sun Solaris, AIX, Linux.
• Installed and configured WebSphere Application Server Network Deployment 7.0/6.1/6.0 in multi clustered high availability environments used Update Installer to update with fix packs. Automated the tasks with shell scripts using silent response files.
• Experienced in deploying EAR, WAR and JAR files on Web Sphere Application Server 7.0x/6.0x and configuring various resources for applications.
• Created Centralized Installation Manager Repository (CIM).
• Installed Fix Packs using CIM to the target nodes and updated it to the level of deployment manager.
• Involved in installing Web Servers like IBM Http Server V6.1 and installing corresponding plug-ins on the Web Servers to communicate with the Application Server.
• Responsible for deploying enterprise applications from Admin console and enabling security for admin console and application components.
• Used Jython Scripting for automating various tasks.
• Involved in Performance Monitoring and Tuning of Applications using IBM Tivoli Performance Viewer (TPV).
• Configured and administered JDBC providers, JMS providers, Connection Pooling and also defining scope level from Admin console for DB2.
• Resolved issues working with cross-departmental teams; customer support, application developers, vendor IT contacts, network and database administrators.
• Monitored and Configured WAS servers diagnosed and resolved WAS issues and failures.
• Coordinated propagation of fix packs and assured compatibility with WebSphere Commerce.
• Installed cumulative fix packs for WebSphere Application Server Network Deployment.
• Configured LDAP Servers and various LDAP tools are used to manage data in LDAP.
• Used Site minder for single sign-on, Policy Servers and Web agent servers are configured to authenticate and authorize users.
• Troubleshooting errors both Application & JVM also analyzed heap/core plus error logs - configured tuned JVM for optimum performance.
• Involved in writing build scripts for J2EE application deployment on various environments for IBM WebSphere Application Server.
• Involved in writing scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, everyday system tasks etc.
• Involved in investigating the problem, troubleshooting and resolving application and configuration issues.
• Enabled Security features using LDAP user registry and LTPA for authentication and authorization privileges for Admin console and application components on both UNIX and Windows platforms.
• Developed shell scripts making use of clearcase tool commands and ANT tasks to build the application ear from Clearcase repository
• Used problem determination tools and log files to troubleshoot problems such as Log Analyzer.
• Documented all procedures and implementation for support.
• Installed the fix packs for the problems to get solved with the Application Server.
• Worked closely with developers to define and configure Application Servers, Virtual Hosts, web applications, Servlets, JDBC drivers and Servlet Engines.
• Monitored for Application core dumps or forced thread dumps to check for system objects using thread analyzer.
• Provided 24/7 support for systems and resolved most critical tickets using Remedy

Environment: IBM Web Sphere Application Server V6.1.x/7.0, Websphere XD, IBM HTTP Servers, SSO, Oracle 9i/10g, Wily Introscope, Tivoli Performance Viewer, Remedy, LDAP Server, Windows 2003 Server, Linux, AIX.

Confidential, Santa Ana, CA

Application Support Engineer

Responsibilities:

• Worked as WebSphere Application Server administrator (WAS-Admin) involved in server configuration and making configuration changes in the environment and Support the job types as L-3
• Involved in troubleshooting and resolving problems encountered in the application and during run time of WAS environment. Provided 24X7 Supports for Environment.
• Coordinating with different teams, in the part of live issues and troubleshooting (with Network, Application and Portal Developers, MQ and so)
• Installed and Configured WebSphere Application Server V6.X, V7, V8 and HTTP Webserver for development and production environments. Experienced in installing and upgrading Fix packs and migrating to latest versions.
• Installation, Configuring, and troubleshooting the IBM WebSphere Portal Server and Installation of fix packs/cumulative fix packs and Refresh packs.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and wsadmin scripts.
• Implemented Horizontal and Vertical Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Servers
• Applying immediate fixes after troubleshooting live issues.
• Experience in installing fix packs/cumulative fix packs and Refresh packs.
• Monitoring application servers and Applications by using Wily to track their performance under Problem recode and apply fixes.
• Diagnosed application server problems using heap/java dumps and JVM log using ISA Tool (IBM Support Assistant) as part of investigation to interact with IBM Support to solve Problems (under PMR) if needed..
• Participated in new Production Environment discussion, documentation and build activities.
• Installing New/Existing SSL certificates on Web Servers in production Environment using GskCmd/IKEYMAN utility.
• Troubleshooting portlet deployments and deploy them manually by using xml export command.
• Worked on Horizontal/Vertical Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Server V6.x, V7, and V8.
• Working on different application domains and having sound knowledge in the application flow. Well known with scripting languages for WSADMIN like JACL /JYTHON and SHELL scripts.
• Investigate the root cause of issues and implement long term solutions after doing research and track recurring environmental issues documentation of all procedures and any other important issue

Environment: IBM WebSphere Application Server V6.x, V7, V8, WebSphere Portal Server, SunOS, Linux, UNIX, AIX and Solaris.

Confidential

Application Support Engineer

Responsibilities:

• Extensively worked on requirement analysis and preparation of System Requirement Specification (SRS) by having the interaction with the client.
• Worked in all phases of Software Development Life Cycle (SDLC), including requirements, analysis/design, development and testing
• Involved in developing Project Management artifacts including Risk Management Plan, Requirement Management Plan, Communication Plan and Transition Check list.
• Worked extensively on the documentation of Data Requirements, Data Management Plan, Scope of the project, and functional requirements document.
• Functioned as the primary liaison between the program staff of different Divisions and the developers throughout the project cycle.
• Created requirements analysis and design phase artifacts using RequisitePro, Rational RSA MS Visio to create DFDs, ER diagrams, Use cases, Activity and State charts.
• Monitored client expectations and conducted user interviews.
• Developed a training manual and troubleshooting guide for the new users and customers as well; available on both hard-copies and local intranet of the company.
• Ability to work with all members of the project team, following the project through the Systems Development Life Cycle and ensuring business objectives is met.
• Maintained Issues Tracking Worksheet in order to track issues and rectify it accordingly.
• Used Rational ClearCase and ClearQuest as Configuration Management and Change control tools.
• Project management update and controlling to ensure on time delivery using MS Project.
• Worked extensively with RUP methodology and Rational Suite Analyst Studio using Rational Rose, and Rational Requisite Pro
• Performed GAP analysis of business rules, business and system process flows, user administration, and requirements
• Provided strategic support in development of detailed project plans, work assignments & target dates.
• Assisted Test Lead, Testers understanding business processes and help them successful completion of Unit Testing, Integration Testing and Requirements Testing.
• Created the detailed test plan and test cases from the business requirements documents and meetings and Involved in manual testing of some test cases.
• Member of the User acceptance Testing Team wrote Enhancement Requests and worked with the perspective of the user.
• Coordinated with developers to fix the bugs and conducted Functional (Positive and Negative), and Integration Testing.
• Conducted Unit Testing, Integration Testing and System Testing.
• Participate in weekly meetings with the management team and walkthroughs.
• Performed Smoke Testing, Security Testing, GUI Testing and User Acceptance testing.
• Involved in maintaining Test Matrix and Defect tracking and bug reporting using Test Director.

Environment: MS Office 2003, IBM Rational Rose, Windows XP, TOAD, Test Director, Windows NT,C#, .NET, SQL.

Confidential, NY

Application Support Engineer

Responsibilities:

• Interacted extensively with users in gathering and documenting the requirements, analyzing, designing, developing and implementing the systems
• Responsible for writing PL/SQL packages to achieve mission critical tasks
• Collect the data from HUB and SAP and design the table structures
• Develop store procedures, packages, triggers, functions in order to populate data.
• Analyzed, designed, optimized and tuned PL/SQL Procedures, Oracle Stored Procedures and used SQL*Loader to load the Historical data into the data warehouse
• Developed control scripts using SQL*Loader to populate the data for daily refresh
• Modification of the existing UNIX shell scripts accordingly
• Involved in building Unit Test Cases for the above application and fixing bugs during system testing
• Created and used views for different business needs.
• Worked with issues relating to performance tuning of existing procedures in order to optimize the performance
• Involved in preparing the documentation for the releases with the changes in the database.

Environment: Oracle 9i/10g, SAP, PL/SQL, ERWIN 7, SQL*loader, TOAD, SQL*plus, Cognos 8, UNIX Shell Scripts