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Gnaneshwar - Production support engineer

[email protected]

Location: Omaha, Nebraska, USA

Relocation:

Visa: H1b

Name: Gnaneswar Visa: H1 Over 9 years of experience in IT industry with Production Support and Middleware Technologies Maintenance of applications that range from Java, Informatica, UNIX, Oracle, .NET, Jboss and AWS Cloud in Financial domain. Extensive experience in Analysing/Investigating production issues and providing solutions involving Informatica, Oracle and Autosys. Hands on experience with AWS cloud, EC2, ECS, RDS, Cloud watch and Elastic Beanstalk and involved in support of applications. Strong experience in creating, managing the back-office jobs for application data, user reports using Autosys Exposure to Informatica MDM and Golden Gate Data Store concepts and troubleshooting the job failures and alerts. Experienced in Unix and Oracle technologies which involves UNIX Shell scripting, SQL using Dbeaver/TOAD , Informatica Power Center ETL tools and ASP.NET using Microsoft Visual Studio. Sending out Sev-4 communications to customers via Status Hub those impacted due to production outage, updating the status until the final notice of resolution. Good knowledge in generation of reports using BOXI tool. Experience in Middleware Administration supporting Middleware Technologies WebSpehere 8.5.x/9.0 and Web server HIS 8.5/9.0 and Apache 2.4. Hands on experience in ITIL including Incident/Problem/Change Management process Expertise in Handling Code Releases and Deploying applications in Production which involves Pre-Migration, Post-Migration and Shakeout activities. Communicates with Autosys team for enabling, disabling, or rescheduling of jobs. Exposure to Messaging concepts using TIBCO and TIBCO GEMS tool Exposure to ETL tools using Informatica PowerCenter by monitoring and troubleshooting the job failures and alerts running on UNIX and Autosys. Hands on experience in supporting applications running on Java platforms. Provided 24x7 on call support in production environment on rotation basis. Experience in supporting applications running on Docker based and involved in troubleshooting of issues related to them. Hands on experience in debug of application or infrastructure issues based on issue Sev Levels. Supported production systems, as required, by optimizing performance, help resolving problems and providing timely follow-up on problem reports. Involved in Diagnosing problems ranging from medium to high complexity. Responded to resolve Applications issues within pre-defined Service Level Agreements (SLA). Responsible for creation and tracking of trouble tickets and resolution of escalated support incidents. Communicated plans, status, and issues to Development teams. Created and maintained documentation for supported application. Able to work with end user to identify and resolve technical issues, with extensive experience providing end user training. Documented regular issues, environment information and maintained physical/logical architecture diagrams. Hands on experience in onboarding a new application Exposure to monitoring tools such as Catchpoint, Dynatrace, AppDynamics. Excellent problem-solving skills with a strong technical background as well as good communication and interpersonal skills. Self-motivated and a good team player. Good Knowledge on Writing SQL queries using TOAD. Demonstrated ability to work both as an individual contributor and in a team environment. Good Experience in Coordinating and involving different teams for fixing the Production issues Technical Skills: Programming Languages C++, JAVA, PL/SQL, ASP.NET Application Servers /Web Servers WebSphere 8.5.x/9.0.x, Weblogic 11g/12c, JBoss 7.x, IHS 8.5/9.0.x Apache 2.4 Operating Systems LINUX, Windows 2008/12/XP, Solaris Web Technologies JDK 1.8, HTML, XML Cloud AWS (Lambda, EMR, EC2, Step Function, S3, Cloud Watch, RDS, AWS Glue, KMS, Cloud Formation) Scripting UNIX Shell Scripting Database Oracle 9i/10g/12c/19c, PostgreSQL, Netezza, SQL Server 2005 Other Tools Informatica Power Center, Informatica MDM, Autosys, Microsoft Visual Studio, Putty, JIRA, Remedy, SOAP UI, Postman, Catchpoint, TOAD, MS SQL Server, GEMS, Docker, Splunk, Dynatrace, AppDynamics Tibco, Nginx, ELK, Opendj, DBeaver. Professional Experience Fannie Mae, Reston VA Sept 2022-Current Role: IT Support Specialist II Involved in production support of applications running on both on-prem and AWS Cloud. Responsible for Triaging Production issues, coordinating with various strategical verticals and involving in RCA calls for the Applications that are running both on-prem and cloud. Resolving issues encountered in the running of the processes. Providing Root Cause Analysis for the issues and delivering data within the SLAs Working on enhancing the Informatica code to achieve the required set of data into Data Warehouse. Worked on release activities which involved Pre migration, Code shakeout, Post migration steps and Data conversion process and incremental releases for EDI applications in production. Executed the OnPrem jobs by spinning up the EMR cluster and validating the data in RedShift vs S3(parquet files). Involved/Created tickets to AWS vendor for critical issue. Worked on Glue refresh and generate parquets files manually for reporting team Worked on User queries/issues related to Informatica MDM and Golden Gate Data Store and resolved them by working with infrastructure teams. Worked on data Extraction and replication using IDR tool from Oracle to Netezza database. Involved and worked on IDR critical issues and created ticket to Oracle vendor to fix the issues Involvement in monitoring/(un)scheduling of real time feeds/workflow Involvement in P1 calls with the ECC (Enterprise Commands Center) team and coordinated with impacted LOB s on the incident. Monitored Autosys jobs primarily running on Informatica and involved in debug of job failures by verifying the Informatica Session Logs/Autosys logs. Responded to any given Production outage or potential outage conditions that requires immediate attention to ensure maximum system availability 24 hours a day, 7 days a week. Involved in UAT/iUAT environment setup and support including data conversion process. Created iCART defects for issues in UAT/iUAT and worked with Development team to fix the issues. Migrating code to the production environment and providing Support to production loads. Worked on generating reports for Business Users using BOXI tool. Working with the Global Support Center team to find the root cause on the tickets. Review the My Services changes with the development team during the monthly releases. Tuning of SQL Queries, Procedures, Functions and Packages. Working with high-volume data, tuning, troubleshooting of mappings and created documentation to support the Application. Deploying the Autosys jobs to automate the daily, monthly jobs. Develop Static and Dynamic Parameter Files for reusability and database connection management among Development/Testing/Production environments. Maintain daily and weekly reports like shift tracker, notification report and migration tracker. Preparation of project fortnight desk to represent the progress of the issues. Responsible for handling major incidents (24 x7) including managing communications to client and IO teams, handling technical bridges. Coordination with the different teams for application support. Technical Environment: - Netezza Warehouse, Informatica Power 10.1/9.6, Autosys, Oracle, Gems, Tibco, Unix, Informatica MDM, IDR (Informatica data replication tool),Talend, Amazon web services, PostgreSQL, CA Workload. Fiserv/First Data, Omaha NE March 2014 Sept 2022 Role: Production Support/Middleware Admin Roles and Responsibilities: Involved in production support of applications running on both on-prem and AWS Cloud. Performed Production support for Java based applications on SOLARIS/UNIX based Operating systems Supported production release activities of both on-prem and Cloud components of applications. Worked on Lender queries/issues related to Underwriting and resolved them by working with respective teams. Executed on prem jobs by spinning up EMR Cluster and validating the data in Redshift vs S3 Supported production issues related AWS Services like AWS Lambda, Step Function and EMR. Performed Production support for Java based applications primarily running with Informatica and Oracle11g/12c on UNIX based Operating systems. Working with Business users, understanding their issues and coordinating with Scrum Teams and Vendor in providing resolution. Monitored Autosys jobs related to data load of underwriting details to Datawarehouse and involved in debug of job failures by verifying the logs. Installed, configured and Supported WebSphere Application Server ND 8.5/9.0 on Linux and Windows environments. Experience in compiling Apache 2.2/2.4 web servers on Linux Servers using c compiler and integrated to JBoss using mod_jk. Experience in patching Middleware servers WebSphere, WebLogic, IHS and Apache Web Servers to remediate security vulnerabilities identified during App Scan. Worked on onboarding on-prem applications to CLAM which is FDC internal Audit system. Involved in Solaris to Linux migration activities of applications and resolved issues related to them by working with L3 team. Analysed and investigated production issues and provided solutions. Hands on experience working on ITIL process involving working on incidents, change tickets and Problem tickets. Created and maintained Knowledge Articles for repeated issues or regular support activities for both L1 and L2 teams. Involved in on call rotation 24x7 in production environment of application and handled issues by working with various teams. Involved in Production issues related to Messaging system using TIBCOGEMS tool to monitor the flow of data through Queues/Topics. Exposure to monitoring tools like Splunk, Dynatrace, Catchpoint. Coordinated the weekend maintenance of production applications with infrastructure teams such as Middleware, UNIX and Database Admins. Maintained UNIX shell scripts in production environment. Actively participated in regular team meetings and reviews and interacted with developers to ensure high quality of support to the end users. Played a key role in Application/Production support being part of L2 team. Environment: UNIX, Oracle 19c, Java, Myservices, Splunk, Dynatrace, JIRA, Autosys, TIBCO, TIBCO GEMS, Jenkins, Postman, TOAD, Putty, Catchpoint, AWS Elastic Beanstalk, EC2, ECS, CloudWatch and RDS. Keywords: cprogramm cplusplus user interface sthree information technology microsoft procedural language California Nebraska North Dakota Virginia