Sr. Middleware Consultant
Cognizant Technology Solutions
Total years of experience :15 years, 11 Months
Project Description:
•Support Services provided as Managed Services model.
•Working as Middleware Consultant for client’s PAAS Middleware Team (Integration and Core).
•The technologies involved in Middleware Support are Oracle Weblogic Server 10/11g/12c, Apache, JBOSS, WidlFly, F5 loadbalancer, Axway API gateway and other vendor-specific products Platforms/X86 Linux.
•The scope of work includes Incident Management, Request Fulfilment, Change Management, and Problem Management for all Middleware Products.
Contribution:
•Travelled to client onsite location in Belgium (3 months) for Knowledge Transition of the project.
•Setup Offshore Team in India (Pune) and started delivering the infra services.
•Apart from all the technical tasks/activities, responsible for resourcing, Training the new team, presenting weekly/monthly report to client.
Responsibilities:
•Handling Middleware Platform Incidents involving products like Oracle weblogic server, OSB, BPEL domains, OIM/OAM Domains, API Gateway, F5 LoadBalancer, Apache/Tomcat, JBOSS/WildFly, Jenkins.
•Support for vendor-specific environments involving vendor products like Imperva (Security Tool), RUEI (Traffic monitoring), Datastage jobs, UC4 jobs, Kafka (Message Broker), SPSS (BI Tool).
•Support for Deployments and Application team’s defects solving during quarterly releases.
•Handling CSO (Critical Service Outage) in Production environments.
•Service Requests Fulfillment after discussion with users/clients requirement understanding.
•Problem Management for alerts and tuning the servers for High CPU, memory, swap space, threads etc.
•Change Management (co-ordination with client’s Change Management team) in cases where configuration changes need to be implemented.
•Identifying Connection issues between different flows of Critical Business application and taking appropriate steps to correct them.
•Patching of Oracle Products (Oracle Weblogic Server, SOA, OIM)
•Co-ordinating with different teams involved in Project (DB Team, Unix Team, N/w team, Storage Team etc.)
•Recently taken up BigData administration work and taking training and hands-on on BigData (CloudEra)
Client : T-systems /Magyar Telecom
Project Description:
•Next Generation CRM (NGCRM) is Deutsche Telekom’s program to synergize the CRM implementation in 4 countries viz. Czech Republic, Macedonia, Hungary, and Slovakia. The solution used is Siebel 8.1 as CRM, Oracle Fusion Middleware 11g, Oracle Database and Informatica to migrate existing CRM and to develop NG CRM, which can fulfill need of expanding existing Business and can meet changing business demands with enhanced features.
•The project went GO-LIVE on 25th April 2013 in Hungary Country.
Contribution:
•Conferred with clients to identify the business requirements and to design the Oracle Fusion Middleware environment according to the client’s architectural need.
•In this role I have worked on OFM 11g tech stack like SOA \[BPEL, Human Workflow, and Mediator\], OSB, AIA FP, Weblogic Server.
•Experience in installation, configuration, deployments and maintaining the environments for Oracle SOA Suite 11g, Oracle AIA11g and OSB 11g on Linux x86-64 bit.
Middleware Technologies used in the project:
•Oracle AIA 11g-deployment of ABCS Services/ EBS services.
•Oracle SOA Suite 11g - BPEL, Mediator
•Oracle OSB 11g-Integration, routing
Responsibilities:
•Installation of standard software and patches for Oracle SOA Suite, AIA, WLS server.
•Environment management (Administration, Tuning, Sizing and Error handling).
•Environment monitoring.
•Troubleshooting the deployment issues on SOA Suite and OSB.
•Forwarding of problem reports to application software vendor.
•Mentoring trainees on SOA Suite and Weblogic Server.
•Provide support for Incident Management, Request Fulfillment and Relase Management processes.
• Coordination and information exchange with customer.
•Automation of the tasks for Servers, JMS, MDS configurations.
•Provide similar kind of support for Production Environment post Go-Live.
•Worked on Oracle AIA 11g and SOA Suite 11g to integrate Duetche Telekom's old CRM to a next generation CRM using Oracle AIA 11g, SOA Suite 11g, OSB 11g, JDeveloper 11g
•Experience in deployment, troubleshooting of SOA Composite applications on Oracle SOA Suite 11g (BPEL, ESB/Mediator, OWSM, BPM Work list)
•Resolved issues related to XSL, XSLT, XSD, WSDL, and SOAP during deployment.
•Worked on installation for EM Grid Control 11g (EM Agent and EM server).
•Oracle SOA suite performance tuning through EM console and scripts
•Configuration for Oracle SOA Suite Adapters (DB Adapter, File Adapter, AQ Adapter)
•JVM, JTA, JDBC, JMS performance tuning for Oracle Weblogic server 11g for better performance of SOA Suite 11g.
•Perform Sanity Testing Of the Deployed Services
for Oracle BEA Weblogic Customers (Users) Global support.
•Worked on Service Requests raised by Customers through My Oracle Support Portal.
•Supported Users of Oracle BEA Weblogic Server in key areas such as Application Development, Server Configuration, Deployment, Troubleshooting and providing Production Support.
•Helping clients make best use of the services like JMS, JDBC, Memory Sizing, Security, Clustering and Load Balancing.
Contribution:
•Understand the business impact of the client’s issue raised by clients through Service Requests.
•Provide technical expertise in both development and production and resolve the client’s issue.
•Provide status updates to the client throughout the resolution process.
•Identifying the issues with the applications related to memory leaks, connection leaks, GC performance, architecture etc.
•Web conference with clients to analyze their environment to identify the exact issues and providing them the appropriate resolutions.
•Ensuring that technical problems are resolved according to Service Level Agreement
Responsibilities:
•Responsible for support in planning, setting up, and maintaining the infrastructure for the enterprise shared and dedicated Client applications hosted in US and international locations across multiple platforms including Solaris, Linux and Windows.
•Provide system administration support including server and client software installations, systems and application monitoring, performance tuning, architectural enhancement/optimization and associated documentation required to optimize the performance of this system.
•Extensive working experience in Configuring and troubleshooting Multiple Domains, including Machines, Managed Servers, Node Managers and Cluster environments.
•Perform Weblogic software upgrades, patches and migrations.
•JNDI /JDBC / DataSource configuration of Application Servers
•Deployment of applications on Application Servers.
•Configuring SSL Certificates on Clients' servers.
•Security Realm Configuration, Authentication Providers as well as configuring Roles and Policies.
•Good troubleshooting skills in analyzing Thread Dumps, Core Dumps, Heap Dumps.
•Supporting application monitoring and production support, assist with UAT/Performance testing and DR Testing.
courses: IBM WebSphere Application Server Network Deployment V7.0 •IBM WebSphere MQ V7.0, System Administration