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Middleware System Administrator Resume

SUMMARY:

  • Having 6 Years 5 month of experience in the IT industry.
  • Using tools like Tealeaf, Keynote, Splunk, Tivoli, OBTM, and Dynatrace for monitoring and supporting applications availability and performance.
  • Monitoring Server resource and application health on day to day basis.
  • Extensively using Tealeaf to troubleshoot single user incident and analysing performance of applications, generating report, creating events and working with admins/IBM for tool related issue
  • Infrastructure support and analysing issues using HTTP watch, Firebug, Header modifier
  • Having good understanding of Content Delivery Network (CDN) Akamai Infrastructure and configurations.
  • Analysing issues by checking HTTP request/response.
  • Working closely with AKAMAI account team to implement the new product in the configuration. Doing impact analysis of Infra and config changes in the environment.
  • Working with Akamai team on DNS activity and other certificate changes
  • Creating configuration, users, groups, blacklisting source IPs from Akamai(In House Admin for Akamai)
  • Analysing http header responses and testing the Akamai configuration changes in Staging (by spoofing) and production environment.
  • Experienced in working with Vendors like Akamai, Salesforce, Kinvey, Keynote and troubleshooting issues on day to day basis
  • Worked on Adobe Experience Manager(AEM) and its infrastructure support as production support.
  • Publishing pages in AEM to publisher instances.
  • Clearing Akamai Caches.
  • Using Amber Point/OBTM to monitor SOA services response and transactions.
  • Coordinating major Application and Infrastructure releases/Changes.
  • Working on Splunk for creating dashboard, Adding panels, Writing Splunk query, Extracting Fields to get the desired output.
  • Have worked on Teamsite, Inquira as production support
  • Handling/Coordinating outages and other production issues for application and Infrastructure.
  • Worked as IBM WebSphere Application Server 5.x/6.x/7.0 administration.
  • Experienced deploying JAR/WAR/EAR, configuration and other administration of J2EE applications on WAS 5.x/6.x/7.0
  • Experienced in working on ticket based tool HPQC,ServiceNow
  • Experienced in WAS/fixpack installation and upgrading/migrating to latest versions
  • Experienced in monitoring application’s health using CA’s Wily Introscope Software. Worked on profile and alert configurations etc.
  • Experienced in Troubleshooting using Traces, Logs and Log Analyser. Analysed thread/heap/core dumps using different analyser tools.
  • Have basic knowledge on automating all Administrative tasks using wsadmin/Jython Scripting.
  • Working on EMC’s Documentum6.5 and 6.7, IBM WebSphere MQ6.0/7.0
  • Experienced in Documentum Upgradation from 6.5 to 6.7 and Documentum Administration (DA).
  • Experienced in WAS upgradation from WAS v6.1 to WAS v7.0
  • Worked on port configuration in SevOne tool for monitoring.
  • Provided support in a demanding 24x7 on - call support for applications running in production Environment
  • Excellent communication skills and flexibility for on-call to facilitate discussions with offshore team and business.
  • Quick learner and adapt to new environment quickly.
  • Understanding of technical software support processes.
  • Have excellent oral and written communication skills, a strong customer orientation and good organizational skills.
  • Have Ability to multi-task, prioritize and execute the assigned deliverables
  • A process orientated, self-motivated and somewhat creative
  • A strong team player and able to work with little supervision
  • Ability to adapt, and collaborate effectively with project teams

TECHNICAL SKILLS:

Operating systems.: Middleware Technologies

Webservers: SunOne Webserver 6.1, IBM HTTP Server 6.x/7.x, Oracle iPlanet7

Programming/Scripting Languages: C, C++, Java/J2EE, Jython, Unix Shell Scripting

Monitoring Tools: Tealeaf,Splunk,Dynatrace,Tivoli,CA Willy Introscope, Disk Utilization Monitor, SevOne Port Monitoring,SSL Certificate Expiration Monitoring Tool, HPQC,ServiceNow

PROFESSIONAL EXPERIENCE:

Middleware system Administrator

Confidential

Responsibilities:

  • Monitoring site performance and user experience on the site using different tools- Tealeaf, Keynote, Splunk, Tivoli, OBTM, and Dynatrace on daily basis.
  • Facilitate solution with appropriate departments and individuals and communicate status to stakeholders within and external to the organization
  • Monitor network to ensure network availability to all system users
  • Infrastructure support and analysing issues using HTTP watch, Firebug, Header modifier
  • Having good understanding of Content Delivery Network (CDN) Akamai Infrastructure and configurations.
  • Analysing issues by checking HTTP request/response.
  • Working closely with AKAMAI account team to implement the new product in the configuration. Doing impact analysis of Infra and config changes in the environment.
  • Working with Akamai team on DNS activity and other certificate changes
  • Creating configuration, users, groups, blacklisting source IPs from Akamai(In House Admin for Akamai)
  • Analysing http header responses and testing the Akamai configuration changes in Staging (by spoofing) and production environment.
  • Experienced in working with Vendors like Akamai, Salesforce, Kinvey, Keynote and troubleshooting issues on day to day basis
  • Worked on Adobe Experience Manager(AEM) and its infrastructure support as production support.
  • Publishing pages in AEM to publisher instances.
  • Clearing Akamai Caches using CP codes and URLs
  • Ownership of technical troubleshooting and resolution for critical production events, providing technical analysis and insight into the current condition and recommended solution
  • Documentation of Technical Support standards and technical procedures in reference to troubleshooting, diagnosis, and resolution of issues
  • Use different application monitoring tool to improve performance
  • Analysing and troubleshooting application performance and network related issues. Performing root cause analysis and tuning to improve application performance.
  • Experience in WebSphere Application Sever and Apache Web Server
  • Experience in Unix/Linux with commands to verify logs
  • Understanding of clustering and Load balancing at different layers.
  • Experience in analysing issues by checking logs in Apache and WebSphere servers
  • Use different monitoring tool to have availability of web sites in uninterrupted way.
  • Working on Splunk for creating dashboard, Adding panels, Writing Splunk query, Extracting Fields to get the desired output.
  • Working on HPQC and Service Now incidents.
  • Production release changes and support activity.
  • Monitors systems capacity and performance, plans and executes disaster recovery procedures, and provides Tier 2 technical support.
  • Monitor application server performance and respond appropriately.
  • Work with the development staff to determine project requirements for test/production environments
  • Monitor and manages the certificates
  • Worked on Adobe Experience Manager (AEM) and its infrastructure from Production Support Perspective.
  • Handling all production issue and outages for application and Infrastructure with the support of different teams
  • Managing all application certificates, Generating certificate and coordinating for its implementation before expiry with different teams and vendors.
  • Planning and coordinating all infrastructure changes and providing release application support
  • Working directly with vendors Akamai, Salesforce, Kinvey, Dynatrace
  • Regularly set up meetings with the Dev team to understand all the new application functionalities and accordingly provide support
  • Working with service operations teams directly, to address customer issues and create required Defects/Incidents for the Dev team after analysing the Issue.
  • Providing Weekly Maintenance support by disabling/enabling the applications logging for the end users during maintenance window.
  • Updating Synthetic transactions scripts as per the applications functionality/Screens change post releases.
  • Provided support in a demanding 24x7 on-call support for applications running in production Environment.
  • Supporting Application development and production Incidents and Problems.
  • Keep the clients and other stakeholders updated with all the major application issues and prioritizing the defects for the fix.
  • ProjectThe Company (Farmers Insurance Inc) is dealing in Auto, Life, Home, and Business Insurance. Marketing Applications are the customer facing front - end applications. As a production support we provide support for the applications and make sure all application/functionalities must be available 24*7 for the customers.

Confidential

System Analyst/ Middleware Administrator

Responsibilities:

  • Setup, Installation, configuration and Administration of IBM WebSphere Application Server 6.x/7.0
  • Experience in deploying, configuration and administration of J2EE application WAS 5.x/6.x/7.0
  • Creating Queue connection factory and queues to connect to MQ in WAS. Creating various resources like Data sources and JMS resources at cell Node and server levels.
  • Plugin configuration, Virtual host creation and configuration
  • Implemented horizontal and vertical clustering, Work Load Management (WLM) to make an application Highly Available.
  • Experience in administration of different webservers like SunOne 6.1 IBM HTTP Server 6.0 and Oracle iPlanet7
  • Experience in different complex troubleshooting issues, including analysis of thread dumps and heap dumps. Analysing memory leak issues.
  • Implemented global Security using LDAP, Federated Repositories, and Local OS.
  • Experience WebSphere SSL configuration (inbound/outbound), Cell/Node Certificate management.
  • Performed routine management of WebSphere environment like monitoring Disk Space and CPU Utilization.
  • Performance monitoring using Willy Introscope.
  • Installation and upgradation of different EMC Content Management Tools like Documentum 6.5
  • Administering EMC Documentum’s components using DA. Managing/Configuring DFC files, Content Servers, Doc Brokers, and Doc Bases etc.
  • IDS Configurations, Static content refresh using DA, JAR deployment, JBOSS method server administering, running different jobs,
  • Experienced in WAS upgradation.
  • Troubleshooting different documentum issues
  • Execute all Middleware system level changes (initialization parameters)
  • Maintain Documentation for all Middleware instance parameters and system settings.
  • Define and execute Middleware performance tuning and keep Middleware running at optimal performance.
  • Implement and administer appropriate Middleware management tools across all Middleware instances. Performance metrics and historical data must be available for trending and reporting over a minimum of 6 months.
  • Identify and resolve conflicts, contention, rollback requirements, etc. for all Middleware instances.
  • Provide technical assistance and subject matter expertise to concern parties.
  • Maintain all Middleware configuration files and provide needed install materials to the managed help desk.
  • Open, track, and manage to resolution Middleware Problems with the appropriate help desk / support organization.
  • Apply patches as required and following development to QA to production life cycle. Correlate internal change request to vendor tracking codes.
  • Configure and install Middleware communication Software.
  • Knowledge on Clustering of Queue Managers
  • Monitoring of Queues and messages
  • Provided support in a demanding 24x7 on-call support for applications running in production Environment.
  • Worked on Ticket based systems ITSM and SEV1/2/3 level issues.
  • Have basic idea of oracle weblogic server.

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