Sr. Informatica Developer/administrator Resume
Franklin, TN
PROFESSIONAL SUMMARY:
- Around 13+ years of experience in Information Technology and 6+ years at Onsite with a strong background in Data warehousing using Informatica Power Center/Data Integration Hub/IDQ/AXON 10.x/9.x/8.x/7.x/6.x.
- Hands on Informatica 10.x/9.x/8.x installation, configuration, debugging, tuning and administration.
- Systems implementation, operations and its optimization as Informatica admin
- Extensive experience in develop, maintain and implementation of EDW, Data Marts, ODS and Data warehouse with Star schema and snowflake schema.
- Proven experience as an Informatica Admin on monitoring resource utilization and proactively identifying Informatica job performance and resource issues network, disk usage, memory usage, server side limitation
- Experience on Node, Grid and High availability configurations
- Expertise in setup LDAP authentication security in Informatica/DIH.
- Strong experience in analyze in performance related issues at server/job level.
- Proficient in Operational and Dimensional Modeling, ETL Extract, Transform and Load processes, OLAP On - line Analytical Processing
- Highly experienced in working and managing projects in Onsite-Offshore models. Proficient in handling and meeting client expectations.
- Proven ability to manage multiple project modules simultaneously.
- Expertise in Informatica power center setup, configuration, user security and administration
- A personality with strong business acumen, excellent inter-personal relationship, possessing strong leadership and team building capabilities.
- Expertise on Service Now incident Management and Change Management process
- Hands on UNIX Shell Scripting and administrative commands including server lever activities automation
- Designed and Prepared Functional specification documents, Technical specification documents, Mapping Documents for Source to Target mapping with ETL transformation rules.
- Expertise in fine-tuning the mapping and sessions by identifying the bottlenecks to improve the performance.
- Expert in typical Admin jobs like Migrations, FTP requests, Performance tuning, Installation of patches, hotfixes and upgrading the tool.
- Followed and Implemented Best Practice methodologies
- Extensively used Informatica Designer for developing mappings, mapplets/Transformations, workflows and performed complex mappings based on user specifications
- Configured OS profiles in Integration services for workflows runs.
- Strong experience in Scheduling jobs using UNIX Shell Scripts and Unix Crontab
- Excellent analytical, problem solving, and communication skills with ability to interact with individuals at all levels
TECHNICAL SKILLS:
ETL Tools: Informatica 10.2/10.1/9.6/9.1/8.6.1/7.1/6.2/6.1 (Power Center) (Designer, Workflow Manager, Workflow Monitor, Server Manager, Power Connect)
Data Modeling: Erwin 4.0/3.5, Star Schema Modelling, Snow Flake Modelling.
Databases: Oracle 11i/10g/9i/8i, MS SQL Server 2005/2000, DB2, Teradata
OLAP Tools: Hyperion and Business Objects
Languages: SQL, PL/SQL, Unix Shell Script, Visual Basic
Tools: Toad, SQL* Loader
Operating Systems: Windows 2003/2000/NT, AIX, Sun Solaris, Linux
PROFESSIONAL EXPERIENCE:
Sr. Informatica Developer/Administrator
Confidential, Franklin, TN
Responsibilities:
- Understand the business functionality and analysis of business requirements in terms of information management support services/systems.
- Interact with business community and gathered requirements based on changing needs, Informatica capacity planning and design
- Installation of Informatica power center 9.1 and setup services and client tools
- Configure and optimize all aspects of Informatica platform Server suit, including policies, control standards, procedures and dashboards.
- Involved in writing shell scripts to schedule, automate the ETL jobs.
- Administer projects, roles, user, and privileges across all three environments.
- Configure and setup LDAP security integration with Informatica
- Configured Master Node and Backup nodes under High Availability environment
- Informatica repository and domain backup/restore
- Monitor Informatica platforms Performance across all three Environments and taking necessary actions in case of File system/permission/space issues
- Expertise in fine-tuning the mapping and sessions by identifying the bottlenecks to improve the performance
- Involving in Supporting ETL Applications production jobs and changing existing code based on business needs.
- Perform monthly scheduled maintenance activities
- Extensively worked on multiple data management projects with onsite and offshore development Teams.
- Having hands on software upgrades in BIDW (ETL Informatica V 8.6/9.1) and Citrix/Windows servers which includes upgrades, patches, OS level upgrades etc
- Review code going into production for accuracy, maintain Informatica with multiple nodes
- Define standards and Processes to be followed by ETL technical Teams
- Address issues/requests from Application teams with answers for queries.
- Frequent (Informatica/Linux) health checkups across all Environments(Monitoring Informatica server for I/O Usage, Memory usage, CPU usage, storage usage)
- Informatica Migration activities from v.8.6 to 9.1
- Schedule daily backup of Informatica environment, restore Informatica environment when required
- Provided 24/7 production support to all the ETL Informatica applications and Projects
- License compliance maintenance and update as necessary
- Documentation of ETL server installations and migration including client components
- ETL Metadata analysis for user queries and business reports
- Address the new changes and ETL standards to ETL community group on regular basis
- Develop detail implementation and Roll-back plans for major releases.
- Track deployment of projects through status report and project plan updates.
- Manage schedule of production changes, forward schedule of change.
- Conduct reviews, identify gaps, and recommend and implement change to release and change management policies on a regular basis.
- UNIX shell scripting, for various functions such as maintenance, backup, and server health checks
- Documentation of all tickets with root cause analysis and review
Environment: Informatica Power Center,AXON,IDQ,DIH 10.2, Unix, Erwin, HP Service manager, Quality Center, Business Objects XI R2
Sr. Informatica Developer/Administrator
Confidential, Franklin, TN
Responsibilities:
- Involved in gathering requirements from the end users.
- Understand business needs and implement the same into a functional database design.
- Extensively used almost all of the transforms of Informatica for various types of data conversions and Sourced data from mainframe legacy systems
- Developed and test all the backend programs, Informatica mappings and update processes.
- Review code going into production for accuracy, maintain Informatica with multiple nodes
- Monitor daily, weekly, monthly Data Warehouse load processes and other DW related processes
- Schedule daily backup of Informatica environment, restore Informatica environment when required
- Extensively Worked on Informatica Server and Client components such as Informatica Admin Console, Repository Manager, Power Exchange Navigator, Designer, Workflow Manager, and Workflow Monitor for ETL Development and Administration activities.
- Responsible for configuring the workflow tasks like EMAIL task, Command task and make it reusable for other team members.
- Worked with various teams to plan, coordinate and implement system patches and minor upgrades to Informatica to maintain integrity of systems.
- Installed Informatica 8.6 and configured services
- Upgraded repository from 8.6 to 9.1
- Coordinated with Database Admin to create appropriate indexes for faster execution of jobs.
- Performed various system Installation, upgrades etc surrounding Informatica.
- Used Informatica Power Center Workflow manager for session management, database connection management and scheduling of jobs to be run in the batch process.
- Performed user and security administration.
- Experience in UNIX shell scripting, for various functions such as maintenance, backup, and configuration.
- Stopping and starting the Informatica servers.
- Involved in installing Informatica client tools, changing license details.
- Analysis and design of ETL processes.
- Involved in loading huge volume of data from source to target.
- Created Test Plans for Unit Testing for designed jobs.
Environment: Informatica Power Center 9.6, IDQ, Oracle 10g, Mainframes, DB2, MS SQL Server 2005, Toad, PL/SQL, SQL, XML, AIX
Informatica Developer/Production support
Confidential
Responsibilities:
- Providing Production support for NNA RDW & NNA GDW applications (Both Informatica and Hyperion).
- Requirement Analysis and preparing Detailed design document.
- Provide interface analysis and development support.
- Development and unit testing of Informatica code to resolve production data issues and or to provide enhancements to production data.
- Issue analysis and issue resolution for ETL interfaces in production environment.
- Maintenance of existing interfaces - ticket analysis and ticket resolution.
- Co-ordination with System Admins, DBAs and other related teams to resolve issue in Informatica feeds if any.
- Interaction with Client for clarifications regarding requirements raised in enhancement tickets
- Preparing System test cases.
Environment: Informatica Power Center 9.1, DB2, Oracle 10g, SQL, PL/SQL, TOAD,, SQL SERVER 2005, Shell Scripts, AIX
Confidential
Informatica Developer/QA support
Responsibilities:
- Testing different applications involved in EDW
- Scheduling the Jobs for monitoring and checking with the logs
- Addressing issues and raising the defects in Test Director accordingly to the development team
- Writing and executing the Order Creation Test cases, Functional Test cases, Data validation test cases and verifying the quality of code and other deliverables
- Doing code reviews for the code changes
- Taking care of all In cycle and Out of cycle Change Requests
- Doing stress testing, Load testing, Performance Testing in TEST environment
- Contributed in preparing documentation on various subjects’ areas like Bookings, Revenue, Expense. Also developed Confidential CQA testing manual
- Developing and Implementation of Best Practices
- Communication to Onsite coordinators and to the Downstream.
Environment: Informatica 8.6.5, Toad 8.6, Oracle 10g, Sql Server 2005, SQL, PL/SQL
Confidential
Informatica Developer/QA support
Responsibilities:
- Testing different applications involved in EDW
- Scheduling the Jobs for monitoring and checking with the logs
- Addressing issues and raising the defects in Test Director accordingly to the development team
- Writing and executing the Order Creation Test cases, Functional Test cases, Data validation test cases and verifying the quality of code and other deliverables
- Doing code reviews for the code changes
- Taking care of all In cycle and Out of cycle Change Requests
- Doing stress testing, Load testing, Performance Testing in TEST environment
- Contributed in preparing documentation on various subjects’ areas like Bookings, Revenue, Expense. Also developed Confidential CQA testing manual
- Developing and Implementation of Best Practices
- Communication to Onsite coordinators and to the Downstream.
Environment: Informatica 8.1, $Universe, Toad 7, Teradata 7, Oracle 9i, SQL, PL/SQL, TOAD
Confidential
ETL Consultant
Responsibilities:
- Involved in developing mapping document indicating the source tables, columns, data types, transformation required, business rules, target tables, columns and data types.
- Worked with multiple sources such as Relational Databases, Flat files for extraction using Source Qualifier and Joiner.
- Developed various Mappings & Mapplets to load data from various sources using different Transformations like Router, Aggregator, Joiner, Lookup, Update Strategy, Source Qualifier, Expression and Sequence Generator to store the data in target table.
- Analysis, design, and implementation of Extraction, Transformation and Loading Methodologies.
- Posses’ in-depth knowledge in Informatica, Supporting the Onsite Production Team (MSO) to resolve issues.
- Created Informatica MOPs, CRs, Tec specs and IAF.
- Creating sessions, pre session commands, post session commands, worklets and workflows for carrying out test loads.
- Involved in the requirement definition and analysis in support of Data Warehousing efforts.
- Developed ETL mappings, Transformations and Loading using Informatica Power Mart 6.1
- Extensively used ETL to load date from Flat files which involved both fixed width as well as Delimited files and also from the relational database.
- Worked on Dimension as well as Fact tables, developed mappings and loaded data on to the relational database.
Environment: Informatica6.1 PowerMart, PeopleSoft EPM, Oracle 8i, SQL, PL/SQL, TOAD, AIX
Confidential
ETL Developer
Responsibilities:
- Involved in developing mapping document indicating the source tables, columns, data types, transformation required, business rules, target tables, columns and data types.
- Worked with multiple sources such as Relational Databases, Flat files for extraction using Source Qualifier and Joiner.
- Developed various Mappings & Mapplets to load data from various sources using different Transformations like Router, Aggregator, Joiner, Lookup, Update Strategy, Source Qualifier, Expression and Sequence Generator to store the data in target table.
- Performed various Performance Tuning techniques to improve the load; worked with Memory cache for static and dynamic cache for better throughput of sessions containing Lookup, Joiner, Aggregator and Rank transformations.
- Implemented Real time logic for carrying out incremental load.
- Involved in the requirement definition and analysis in support of Data Warehousing efforts.
- Developed ETL mappings, Transformations and Loading using Informatica Power Center 6.1
- Extensively used ETL to load date from Flat files which involved both fixed width as well as Delimited files and also from the relational database, which was Oracle 8i
- Developed and tested all the Informatica mappings involving complex lookups and update strategies.
- Configured sessions with email when failure.
- Worked on Dimension as well as Fact tables, developed mappings and loaded data on to the relational database.
Environment: Informatica Power mart 6.1, Oracle 8i, SQL, PL/SQL, TOAD
