SUMMARY:

• I have almost 8 years of experience in supporting both client application and production support as an Infrastructure Engineer. I had been involved in Incident Management, Problem Management, Data validation, Documentation, Go - live, and Production Support of client's application.
• I also have expertise as a Process Consultant in projects for ITIL process planning and implementation, re-engineering or re-platforming to streamline project delivery. i have experience in investigation and analysis of Application issues, Production data issues, Application/Server performance and stability. I had worked on data exports to move the live data between Dev, Testing and Production Environments systems in a data warehouse environment.
• I expertise in application log analysis, web sphere application server monitoring using monitoring tools and have experience in background automated job analysis, performance tuning.
• I have handled more than 8-10 Major Live application release and coordination’s.

TECHNICAL SKILLS:

Languages: SQL Java UNIX/LinUX Scripting PL/SQL

Technologies / Tools: Hadoop services (HDFS, YARN, Kafka, Hive, Impala) Cloudera Manager, NETCOOL, SPLUNK, App DYnamics

AWS Services: (Cloud watch, Cloud Trail, S3, EC2, IAM, Cloud Formation) Informatica V9.6.1 Toad for Oracle Service Now Remedy Tivoli ITRS JIRA CA IntroscoPE Autosys Aginity for Netezza DB UC4 Win - SCP Putty SOAP UI CONFLUENCE

Databases: Oracle Sybase Big Data - Hadoop

Operating Systems: UNIX/Linux Windows 98/ XP / 2000

PROFESSIONAL EXPERIENCE:

Confidential

Hadoop Support

Responsibilities:

• Provide support on IB Data lake Platform built on Hadoop - big data technology.
• Uphold high standards for timely incident resolution, problem management and maintain knowledge base.
• Contribute expertise to the management of IB Data Lake up platform and processes to ensure high standard production support availability globally.
• Work towards continuous improvements on production support processes.
• Work on application monitoring tools like Splunk, App Dynamics, Netcool.
• Monitor and fix issues on Hadoop systems like Yarn, Kafka using Cloudera Manager.
• Plan and develop application maintenance and business continuity plans.
• Provide deployment support and handle Go-live releases.
• Analyze and create statistics on various system performances and work with development teams to improvise.
• Ensure all teams follow the Change and release management process and document it in Confluence for further enhancements.
• Work on user queries and data extracts for analysis suing HIVE queries or IMPALA.
• Monitor daily data propagating jobs using Autosys, and work on JIL promotions.
• Incase of any Critical issues, initiate Bridge call and involve all responsible development or infra teams and send our communication to respective business streams.

Confidential,

Infrastructure Engineer

Responsibilities:

• Provide L2&L3 Support to projects for implementing Application Monitoring and Performance improvement solutions in AWS infrastructure.
• Provided application support to Jobcorps Java-based applications during its implementation and operation.
• Provided support to service requests and perform routine maintenance activities.
• Identify network issues, work on assigning CIDR address, create Private and Public subnets and monitor Network traffic using Cloudwatch.
• Monitor client applications for their degradation in performance and report them to respective development team based on criticality.
• Monitored the API servers for file system size, CPU utilization, and management using Cloud Watch and Nagios tools.
• DB queries were analyzed for performance issues and managed by periodic performance statistical analysis done with developers.
• Access management tasks were handled via IAM based on user requests to provide necessary application roles to users and application testers.
• Timely reports to client and respective teams were sent on performance issues reported and Incidents created.
• Application patch fixes for issues were documented and shared with a team for future references.
• CSI solutions were suggested based on current Infrastructure performance.
• Deployment activities using Jenkins were handled and automated using scripts.

Confidential

Production Support / Application Programmer

Responsibilities:

• Provided Support to PYTHON based Banking and Financial Service business applications and Infrastructure.
• Monitored daily production batch jobs and analyze in case of any failures during execution for ATLAS (Client business application) using Autosys, UNIX, and Informatica ETL.
• We used to evaluate and analyze appropriate source feed data files are received from upstream production applications using UNIX commands.
• Have worked on user queries and issues w.r.t to the application (Libra) regarding data mismatch or application functionality using SQL in Toad for Oracle tool.
• Validated data upon completion of data movement from one application database to another using SQL queries in Toad and Aginity tool.
• Have experience in sending timely reports to clients on data availability and job completion via email using Microsoft Outlook.
• Responsible for application environment availability and in case of any disrupt/performance degradation we investigate the root cause and try to fix it and send a timely communication to business using ITRS tool.
• We manage Incidents and Problem tickets using REMEDY tool and keep track of all issues and resolve them in a timely manner within Business SLA.

Confidential,

Production Support Level II / III/ - Technical Lead

Responsibilities:

• Have worked on decommissioning a project by handling file system, documents, migration of secure client data to new system, provided code fix to mitigate similarity between two systems, decommission of databases using PL/SQL in Toad for Oracle and Sharepoint.
• We handle client queries on data mismatch during testing of applications using SQL queries in Toad for Oracle.
• Worked on client requirements and application enhancements by working with Business analysts and provide possible solutions using JIRA tool.
• We organize meetings with business analysts and development teams to understand upcoming application changes and suggest points raised by clients for performance issues.
• Used to create mapping transformations for applications in case of reporting enhancement requests from clients using Informatica ETL V9.6.1 tool.
• We provided RCA on problems which were caused by Infrastructure issues/data issues to client and document them.
• We used to prepare Power point presentation for Monthly and weekly client call and host the call.
• Mentored team members, handled resource management, Knowledge transition for new team members, Support activities for newly launched business applications.
• Managed Incidents and Problem tickets using SERVICE NOW tool. Kept track of all issues in Sharepoint KEDB and resolve them within Business SLA.
• Worked as an L3 support for the application for doing emergency fixes and incident resolution.

Confidential

Technical Lead

Responsibilities:

• Handled and coordinate Java-based Live Production application version releases and managed application availability as per the proposed timelines using SERVICE NOW tool.
• Provided on-call support for maintenance activities, and ensure application stability and availability post maintenance and test the application performance and functionality using Unix/Java.
• Adhere to information technology standards and processes to ensure that the systems support: business informational needs, availability requirements, security as-a-whole, and standard operating procedures (SOPs).
• Participated in client meetings and gather the requirements as well as the deliverables expected, provide a strategic plan to enhance the delivery.
• Handled and guided the offshore team, in case of any emergency issues occurred during normal operation of Business.
• Suggested new process or methods as per ITILV3 standards to improvise support and deliverables more promptly and quickly in a Quarterly manner and gather statistics on the Improvement due to the new proposed methodology.
• Analyzed any data issues reported by business users or clients, Application Functionality and provide standard fixes using SQL queries in Toad for Oracle tool.
• In case of application development team unavailability (emergency situations), we were responsible for any application code related issues, and had to discuss with Business analysts and provide code related fix post IT owner approvals.
• Successfully coordinated and delivered 2 application releases, Release 18 & Release 19 application versions for Business of Future and its integrating applications as well.
• Provided complete application support for a Java-based platinum global application named Lifeguide.
• The lifeguide application was monitored using Dynatrace and used to check the overall application usage and performance. In case of issues, we used to find the Root case and fix ASAP as it was a platinum application.

Programmer Analyst

Responsibilities:

• Daily monitored emails received from various business application users, clients, support towers, testing teams, development teams regarding application issues and responding to their queries promptly using Microsoft Outlook/Lotus Notes
• Worked on high priority production tickets and incidents w.r.t Application using Service Now
• Reestablishment of WebSphere applications (development version, testing version, Live Production versions) which might become unstable due to various reasons (Eg: - Infrastructure, data corruption, Middleware Configuration issues, Upgrade issues etc.)
• In case of Network issues, we coordinated with Network engineers and tried to find out if the issues were related to SSL, DNS or HTTP.
• Automated various Manual tasks or operational activity and reduce delivery time by scripting in Unix
• Provided new CSI solutions, post analysis of customer operational expectation and survey.
• In case of performance issues, we investigate it using CA Introscope tool and work with development team and fix it for the upcoming release.

Programmer Trainee

Responsibilities:

• Responsible for the daily monitoring of background application jobs, analyze if the data had been populated properly for 7 -8 environments using UC4, Tivoli Scheduler, and UNIX.
• Analyzed Job failures using Informatica ETL tool, and worked with the development team for fixing the issues based on SLA.
• Investigated on issues during data load (database related & data related), and provide fix for it after proper discussion and meetings with External teams/Business for Live data using SCM tool and Oracle for Toad
• Investigated Middleware issues caused by Load balancing in Web sphere application server and get it fixed by coordinating with appropriate teams.
• Participated in weekly team meetings and operations enhancement meetings
• Automated various Manual tasks or operational activity and reduce delivery time using Unix
• Communicated application status with business users, clients and provide a timely update on the scheduled maintenance and Upgrades.
• Decommissioned or created jobs for each application version release (Go Live).