Lead Informatica Developer/administrator Resume
SUMMARY:
- Around 8 years of experience in designing, developing, maintaining and building large business applications such as data migration, integration, conversion, data warehouse and Testing.
- 7+ years of experience in Informatica Developer/Administration
- 2+ years of experience in IDQ and Metadata Manager.
- Expert in all phases of Software development life cycle - Project Analysis, Requirements, Design Documentation, Development, Unit Testing, User Acceptance Testing, Implementation, Post Implementation Support and Maintenance.
- Business Requirements review, assessment, gap identification, defining business process, deliver project roadmap including documentation, initial source data definition, mapping, detailed ETL development specifications and operations documentation.
- Expertise in data warehousing, ETL architecture, Data Profiling.
- Experience in working with various versions of Informatica Powercenter 10.x,9.x,8.x-Client and Server tools.
- Expertise in tuning the performance of mappings and sessions in Informatica and determining the performance bottlenecks.
- Experience in creating pre-session and post-session scripts to ensure timely, accurate processing and ensuring balancing of job runs.
- Experience in integration of various data sources like SQL Server, Oracle, Tera Data, Flat files, DB2 Mainframes.
- Strong experience in complex PL/SQL packages, functions, cursors, triggers, views, materialized views, T-SQL, DTS.
- Expert in troubleshooting/debugging and improving performance at different stages like database, workflows, mapping.
- Involved in writing Unit test cases for complex scenarios.
- Experience in creating UNIX shell scripts and Perl scripts.
- Knowledge in design and development of Business Intelligence reports using BI tools Business Objects, Cognos and knowledge in microstrategy.
- Knowledge in Installation and configuration of Informatica server with sql server, oracle and able to handle the Informatica administrator tasks like Configuring DSN, creating Connection Strings, copying & moving mappings, workflows, creating folders etc.
TECHNICAL SKILLS:
ETL tools: Power Center 10.x/ 9.x, 8.x, SSIS, TDM, Tableau (Desktop/Server)
BI and Scheduler tools: IBM Cognos 10.x/8.x, SQL Developer, Control-M, SSRS.
Databases: Oracle 12.x/11g/10g/9i, MS SQL Server, Netezza, SQL Assistant.
Programming: SQL, SQL*Plus, Python,C, UNIX shell scripting.
Web Development: HTML, XML.
Operating Systems: Red Hat LINUX, IBM AIX, Windows XP/Vista/7, UNIX.
WORK EXPERIENCE:
Confidential
Lead Informatica Developer/Administrator
Responsibilities:
- Experienced with Informatica administration on Unix and Linux platform
- Informatica upgrade and performing end - to-end tasks
- Handled repository backups, restoration, failover Created the Analyst Service,DataIntegrationService,ModelRepositroy
- Installed and configured the following IDQ 9.6 components on Linux Servers
- Migration of Informatica Mappings/Sessions/Workflows from Dev, QA to Prod environments.
- Configured Master Node and Backup nodes under High Availability environment.
- Creating Relational Connection in Informatica Workflow Manager level
- Administration of Repository services and Integration services, Web services on Nodes with Grid concept.
- Created various Informatica connections to connect to the sources and targets.
- Creation and maintenance of Informatica users and privileges.
- Created Native Groups, Native Users, roles, and privileges and assigned them to each user group.
- Created Informatica Folders and assigning the permissions to the Folders.
- Migration of Informatica Mappings/Sessions/Workflows from Dev to Test and Test to Stage and Stage to Prod environments.
- Handled outages when there is any maintenance in UNIX and DATA BASE.
- Collaboratively worked with Application Support Team, Network, Database Teams, and UNIX teams.
- Experience in DR planning and setup
- Provide support to team in performance tuning, troubleshooting, best practices and standards
- Informatica SCM(Folder Level migration/Object Level Migration)
- Informatica object Migration using Repository Manager
- Informatica Administration activity(by using Admin console)
- Hotfix Implementation
- Performance tuning of Informatica application
- Code review of mappings of various application across plant
Environment: : Informatica PowerCenter 10.x/9.x and 8.x, IDQ, Metadata Manager, Power Exchange, Oracle 11g and 10g, SQL, IBM AIX, UNIX Shell Scripts, Remedy, Control-M, Toad, MS Visual Source
Confidential
Informatica Developer/Administrator
Responsibilities:
- Involved in the Requirements gathering, Analysis and support of Data Warehousing efforts.
- Designed various mappings using Informatica Designer to load Dimensions and Facts.
- Installed Informatica 9.x
- Upgraded Informatica 9.0.1 to 9.1.0, 9.1.0 to 9.5 and 9.5 to 9.5.1
- Handling the issues in the Informatica level
- Creation of folders/user permissions.
- Handling other Informatica administration activities.
- Created mapplets to use them in different mappings.
- Used existing ETL standards to develop these mappings.
- Created various Workflows, worklets and Sessions for the mappings to run.
- Used various transformations like Aggregator, Joiner, Expression, Filter and Router, Lookup, Update Statergy, Sequence Generator to transform the data.
- Modified existing mappings for enhancements of new business requirements.
- Worked with the DB team to put database changes in place for the mappings to run.
- Used the ETL standard’s to load the Dimension and Fact tables daily by scheduling the workflow using informatica scheduler.
- Extensively worked as production support developer to identify and fix data problems.
- Created technical support documentation for the team for production support.
- Worked on the three-tier model (DEV, TEST, and PRODUCTION).
- Followed standard procedures to migrate the mappings from Development to Test and Production environments.
- Used the email task in the Production to keep the team posted when session’s fail.
- Created store procedures to implement the logics and using them in Informatica.
- Extensively used environments to create shell script and maintaining the logs of Informatica admin console.
Environment: Informatica Power Center 9.1.0, Control-m, DB2, Autosys, Flat files, TOAD, Oracle 10g, UNIX and Windows 2010.
Confidential
Informatica Developer/Administrator
Responsibilities:
- Worked as Informatica Administrator/Developer.
- Defined the naming standards and standard process for Informatica.
- Installed Informatica 8.6, 9.0.1,9.1.0.
- Upgraded Informatica 8.5.1 to 8.6.1,8.6.1 to 9.1 HF4
- Troubleshooting the issues in Informatica Server.
- Analyzed the functional specs provided by the data architect and created technical specs documents for all the mappings.
- Provided, recommended solutions and change the process to minimize the cost for projects.
- Applied Informatica patches to the Informatica servers.
- Developed complex scripts to follow the business requirements.
- Loaded Dimension, Fact and Exception tables and automated email generation when exceptions occurred.
- Migrating the ETL jobs reports from one environment to another environment.
- Used the email task in the Production to keep the team posted when session’s fail.
- Extensively used environments to create shell script and maintaining the logs of Informatica admin console.
Environment: Informatica Power Center 8.x/9.x, Control-m, DB2, Autosys, Flat files, TOAD, Oracle 10g, UNIX and Windows 2010.
Confidential
Software Engineer - ETL
Responsibilities:
- Designed & developed ETL processes based on business rules, job control mechanism using Informatica Power Center 8.x and 9.x. Re-engineered on existing Mappings to support new/changing business requirements.
- Used Mapping, Sessions Variables/Parameters, and Parameter Files to support change data capture and automate workflow execution process to provide 24x7 available data processing.
- Prepared SQL Queries to validate the data in both source and target databases.
- Developed Informatica Mappings to populate the data into dimension and Fact tables for data classifications to end developers.
- Automated the ETL deployment process integrated with UNIX and Power Center Repositories and reduced the cost of maintenance activities for future activities.
- Validated the Mappings, Sessions & Workflows, Generated & Loaded the Data into the target database.
- Tuned the performance of mappings by following Informatica best practices and applied several methods to get best performance by decreasing the run time of workflows.
- Extensively worked on Expressions, Source Qualifier, Union, Filter, Sequence Generator, sorter, Joiner, Update Strategy Transformations.
- Handling the issues in the Informatica level.
- Creation of folders/user permissions.
- Developed shell scripts to automate the update process.
- Executed Workflows and Sessions using Workflow Monitor.
- Involved and resolving the issues (Tickets) in Power center.
- Tuned SQL queries and performed refinement of the database design leading to significant improvement in system response time and efficiency.
Environment: Informatica Power Center 8.x/9.x, Oracle, Mainframe, DB2, COBOL, UNIX, VSAM, SQL, PL/SQL.