Middleware Engineer Onsite
DXC Technologies
Total years of experience :9 years, 4 Months
Having around 6.3 years of experience in IT Industry adept in all facets of administration, maintenance, Deployment and management of enterprise and web applications including Installation and Configuration.
Expertise on Middleware BAU activities.
Good analyzing and understanding the architecture of the project and applications
Good Knowledge on Linux/AIX/Windows platforms
Expertise in Network Deployment Manager (ND ) 6.x/7.0/8.5 installation, configuration and management.
Experience within product & Fixpack installations and version upgrades of WebSphere.
Experience in the IBM PMR & Oracle SR problem determination and troubleshooting process.
Creating of different types of profiles i.e. Deployment Manager, Application Server, Custom Profile, Cell, Federation multiple nodes to Deployment Manager
Successful implementations of Workload Management (WLM) and clustering techniques including Horizontal and Vertical for failover and backup/recovery processes
Good experience in Deploying Enterprise J2EE applications on Websphere, JBoss Application servers that involves EAR (Enterprise Archives) and WAR (Web Archives)
Creating new Virtual Hosts and configuring Host Aliases
Configuring JDBC Provider, Data sources and J2C Authentication alias
Experience of working with Heap Dump and Thread Dump for root cause analysis
Experienced in applying patches and plug-ins for WebSphere Application Servers, WebLogic Application servers.
Understanding customer business requirements and providing timely services within SLA’s.
Configured and for administration console users and console groups using LDAP user register.
Involved in troubleshooting various issues in different environments like Performance, Pre-prod and Production Environments
On-call production support (24*7) for monitoring and maintaining of multiple applications.
Good Communication skills, problem solving skills, team player and willing to relocate.
Handling all kind of incident tickets raised by users and automation tools to make the system stable and to meet the SLAs.
Perform change management, configuration, design, and implementation of supported products and systems.
Coordinate with vendors and support team on problem resolution, design issues and upgrades.
Working on RCAs and presenting to Problem Management team with all the findings and artifacts before the due date.
Responsible to maintain all technology patch levels to be up to date as per client policies.
Troubleshoot and resolve technical problems in timely and accurate manner to improve application performance and functionality.
Collaborate with other teams (Architecture, Development, Test, Service Assurance) and vendors to develop and support detailed application design.
Responsible for all Administrative tasks including Web Sphere Application Server domain configuration which includes components like WebSphere and WebLogic Application server, Apache and IHS web server.
Responsible to prepare and update the daily activities in DORM call.
Providing regular updates to Automation team to make the repeated activities automated.
Develop and implement standard processes for installation, maintenance and enhancement of middleware applications.
Supporting various Changes and deployments raised by Application team and other infra teams.
Trouble shooting various problems in different stages of development.
Supported different applications from lower environment through to Production environment successfully.
Dealing with various stakeholders for new projects and requirements. Allocating resources for various RFQs and change activities, handling escalations for same.
Primarily worked on Dev, Test, Pre-Production and Production Environment for updating application through WAS Configuration changes.
Responsible for all Administrative tasks including Web Sphere ApplicationServer domain configuration which includes components like Web Sphere Application server, IHS web server.
Debugging different types of issues from applications, application servers, IBM Http Server and Plug-in.
Configured WebSphere resources including JDBC provider, Data source, Connection pool and virtual hosting.
Day to day issues on Application server. Working on ERF, Creating new projects in Rapiddeploy for Console users and Console Groups using Active Directory Server as a LDAP User Registry.
Trouble shooting various issues like SSL, OOM, CPU Starvation, Deployment failures by using RDV3 tool and Urban Code, configuration changes in python files using vi editor.
Responsible for Business Releases every Month. Supporting various Changes and deployments.
Trouble shooting various problems in different stages of development using Log files.
Supported different applications from lower environment through to Production environment successfully.
Dealing with various stakeholders for new projects and requirements. Allocating resources for various RFQs and change activities, handling escalations for same.
As Systems Analyst participated in the work across business and systems groups at all levels of key support environments.
Deployment of Enterprise Application Archive (EAR), Web Application Archive (WAR) files using IBM UrbanCode Deploy (UDeploy) Automation tool in non-production and production environments on daily basis and troubleshoot various configuration and application issues.
Recycling the Servers, Agents and Services as per the requirements.
Troubleshooting the problems related with Application Server/WebServer configuration issues and performance issues in an environment with over 850 servers.
Monitoring Daily Portal Health check with internal Dashboard Tool.
Responsible for the completion of Nightly Data load and recycle of Site components within SLA scheduled to run Daily midnight.
Responsible for configuration and supporting and maintenance of WebSphere Application Servers (WAS) and JBOSS Application Servers on AIX, Linux across multiple environments
Involved in managing of monthly code releases & weekly creative releases for Performance and Production Environments
Responsible for monitoring the availability of environments, Monitor system performance including application flows and responses and error logs to insure a high level of application availability, kind of activities through Splunk, Sitescope, Dynatrace monitoring tools in a timely manner.
Experienced in performance tuning by tweaking WebSphere &JBOSS configuration parameters like JVM heap size, JVM Web container threads, DB connection pools etc, .
Escalate support issues to other groups (development & release, network, hardware, vendors, etc.) as required. Coordinate all activities and provide updates to management. This includes participating or authoring incidents reports and technical communications.
In working with our internal systems partners provide support for infrastructure changes such as WebSphere/JBOSS upgrades, migration, AIX, Linux patches.
On-Call support for 24*7 with L2.5support for Production and non production environments.
Communicating with the client, Testing Team, DB Team, UNIX Team & Development Team as per requirement.
Ensure every ticket is being walked from inception to satisfactory completion in the shortest possible time, with the best quality of response.
Weekly logs rotation.
Involving in week end maintenance activities.