Etl Developer Resume
SUMMARY
- Highly motivated, goal - oriented data warehousing and ETL professional with 10 years of experience in ICT with special expertise in design, development, analysis, administration and implementation of Business Intelligence and data warehousing/data migration projects.
- Well experienced in working Securities, Banking, Insurance DW and Data Migration projects.
- Extensive ETL experience using Informatica Power Centre (9.6/8.6/8.1/8.0 ), Informatica IDQ, SSIS and DataStage Administration and Autosys, Maestro scheduling tools.
- Good Knowledge in MDM, B2B, IDQ Informatica Product tools.
- Worked as Informatica Administrator and migrated from Version 8.6 to 9.6
- Hands on experience in ETL Design and Architect.
- Experienced in Repository configuration and using transformations, creating informatica mappings, mapplets, sessions, Workflows, worklets, processing tasks using Informatica Workflow manager to move data from multiple sources into targets.
- Experience in performance tuning of Informatica (sources, mappings, targets and sessions) and tunning the SQL queries.
- Hands on experience with dimensional modelling, star schema and snowflakes Schema methodologies.
- Responsible for defining the complete data warehouse architecture (e.g. ODS, ETL process, Data Marts, EDW).
- Expertise in writing SQL Complex queries, stored procedures, functions, cursors and packages using PL/SQL Programming.
- Design, development and coding with oracle 11g/10g/9i, SQL Server 2000/2005/2012.
- Assisting Build & Support, ITSMO teams to deploy code to SIT, UAT, PRE-PRODUCTION and PROD environments.
- Worked on DataStage/QualityStage Administration, setting up new DS, WAS, IIS, Servers (DEV, TEST, UAT AND PROD) Systems.
- Strong Knowledge in Creating Unix/Linux shell Scripts.
- An enthusiastic and project-oriented team player with excellent communication skills. Fast learner with a desire to grow skills and expertise.
- Good understanding of business processes / requirements and translating them into technical requirements.
- Attended SAS Memex, i2, ANB, SSIS trainings from authorised training partners.
- Holds Australian Citizen and E3 Work Visa.
TECHNICAL SKILLS
ETL Tools: Informatica Power Centre (9.6/8.6), Informatica Data Quality (IDQ), SAS DI, SSIS, IBM WebSphere DataStage 8.1, BO DS, DI
Languages: C/C++, SQL, PL / SQL, HTML, Java, VB 6.0, XML
Databases: Oracle 9i/10 g/11g, SQL Server 2014/2015/2005 , Teradata
Reporting Tools: OBIEE, BO Universe, COGNOS
Operating Systems: Windows 7.0/NT/2003/XP, UNIX, AIX 6.1, AIX 7.1, SOLARIS 10.0
PROFESSIONAL EXPERIENCE
Confidential
ETL Developer
Responsibilities:
- Involved in requirements gathering, analysis and attend workshops to finalise requirements scope of various business users for quarterly releases.
- Engage with Business Users and key stakeholders to perform impact analysis of requirements and feasibility study.
- Create, Design/update existing mappings to fit business requirements.
- Create High level and Low- Level Design documents to outline the ETL load process.
- Data Analysis on Source System Data to understand the nature of data loading into EDW and Data Marts layer.
- Design ETL Informatica mappings to pull data from heterogeneous source systems data and load into Data marts and DW.
- Create Mappings, Worklets, sessions and workflows as per requirements to implement logic.
- Perform Tests and validate Workflows to meet requirements and prepare scripts to migrate to higher environments.
- Monitor Daily Production ETL Jobs which source from flat files, xml and DB into DWH.
- Run SQL Queries against Oracle DB & DB2 to verify data load process, if any issues debug and investigate data.
- Debug failed Jobs and resume the load process.
- Unit test and Migrate mappings to TST, UAT and Production environments.
- Prepare and Document Technical DD and onto Share point.
- Manage and co-ordinate CRQ to deploy code in Higher environments.
- Identify and resolve Production issues.
- Work on Remedy tickets
Environment: Informatica 9.6, Oracle11g, DB2, SQL, PL/SQL, SHARE POINT, REMEDY, COGNOS, SOLARIS 10.0
Confidential
Informatica Administrator
Responsibilities:
- Gather Installable and work with INF Consultants to set-up 9.6 INF Server
- Perform pre-requisite checking for Installation
- Install and configure Repository Services, set-up Folders for different applications used in Project.
- Create Domain, Node, and configure repositories for DEV, TEST, UAT and PROD
- Set-up Users, permissions and Privileges on Admin Console.
- Migrate code from old repository to New server.
- Test and Run WF, Sessions on new server.
- Work with testing team to run INF ETL Jobs.
- Co-ordinate and raise CRQ (Change Request) in Remedy tool liaise with different teams on Change.
- Attend Stand up/Scrum meetings and discuss issues of Installation and Upgrade status.
- Run Unix Commands to check the installation status, memory validation, process status, and directory set-up.
- Monitor daily usage space on SOLARIS Servers and housekeeping and archiving the old files.
- Support existing INF 8.6 ETL Jobs.
- Identify and resolve Production issues.
Environment: Informatica 9.6/8.6, INF Admin Console, Oracle11g, DB2, SQL, PL/SQL, SHARE POINT, REMEDY, COGNOS, SOLARIS 10.0
Confidential
ETL & Informatica Developer
Responsibilities:
- Analyse, design, develop, implement and maintain the applications in accordance with Confidential 's systems development methodology.
- Create Low Level and High-level design documents for Quarterly releases.
- Data Analysis on loading new systems data into EDW.
- Work closely with Business users to understand the nature of entities loading into DM.
- Monitor Daily DWH Loads, if any Session fails debug and execute manually and facilitate load.
- Provide Back-end Short Selling report submissions support.
- Develop working code and unit test cases based on functional requirements and technical design to deliver planned scope for the releases.
- Deployment of new code to TST, UAT and Production environments.
- Document new Implementations and Post production support.
- BAU Support of existing Data feeds.
- Provide level 2/3 production support and system maintenance, including analysis and resolution of system problems.
- Bulk data extract support to different Federal and State government agencies.
Environment: Informatica 8.6, Oracle11g, DB2, SQL, PL/SQL, SHARE POINT, REMEDY, COGNOS, SOLARIS 10
Confidential
DataStage/QualityStage Administrator
Responsibilities:
- Plan LPAR for IIS Suite installation
- Collect IIS Installation Suite from IBM Passport
- Install and configure WebSphere and DS Server and Client tools
- Created DS/QS Projects on new server
- Migrate code from old servers to New Server
- Support all migration activities and Report to Project committee.
- Deploy Jobs in IIS console
- Deploy SQL validation scripts and worked on SQL for enhancing the performance of Batch load jobs.
- Verify and validate batch load jobs on Oracle database.
- Document Functional Design specifications and Technical design specifications for migration.
- Schedule Jobs using AUTOSYS Scheduling tool.
- Support E2E, TC testing activities
- Co-ordinate and work with Business Analysts to accommodate changes to requirements.
- Work with ITSMO team to promote code into STG, PROD environments.
Environment: DataStage/QualityStage 11.3, IIS, Windows 7.0, Oracle11g, Autosys, SQL, PL/SQL, Internal Wiki, HPQC/ALM, AIX 6.1
Confidential
Build & Support Deployment Consultant
Responsibilities:
- Execute DLMA Batch Jobs using Autosys Scheduling in Test environments.
- De-bug Jobs fix and support DLMA Interface activities.
- Build and Support Deployment activities
- Release management and co-ordination
- Record count verification DWH backend/reporting queries against source and target as an initial check.
- Schedule Jobs using AUTOSYS Scheduling tool.
- Support E2E, TC testing activities
- Co-ordinate and work with Business Analysts to accommodate changes to requirements.
- Work with ITSMO team to promote code into STG, PROD environments.
Environment: DataStage8.1, IIS, Windows 7.0, Oracle11g, Autosys, SQL, PL/SQL, Internal Wiki, HPQC/ALM, AIX 6.1
Confidential
DataStage/QualityStage Administrator
Responsibilities:
- Verify and perform pre-installation DS/QS installation tasks on AIX servers.
- Install and configure IIS Suite and its components (DS/QS Designer, Director)
- Create and configure DLMA, QS projects folder/directory structures on AIX Server.
- Grant access to DS, QS client components from Administrator tool.
- Deploy and monitor QS online services in IIS Console and configure QS online/real time jobs.
- Configure Java heap size on IIS web console.
- Housekeeping and cleaning log and archive files for DS batch and online jobs.
- Health check batch and online services running on AIX servers.
- Deploy and migrate code on to TEST, UAT, PROFILE environments.
- Work closely with Developers, Architects, Business users and stakeholders on various tasks related to Confidential project execution.
- Extensively worked on UNIX commands to check health of servers and services.
Environment: DataStage8.1, IIS, Windows 7.0, Oracle11g, Autosys, SQL, PL/SQL, Internal Wiki, HPQC/ALM, AIX 6.1
Confidential
ETL Specialist
Responsibilities:
- Participated in discussions with Team leader, Team Members and Data Modeller regarding any Technical and Business Requirement issues.
- Work closely with Report developers and architects to understand E-R Schema designs.
- Perform data analysis on source HOMES Systems and suggest if any anomalies are detected on source data.
- Design and develop DI ETL Jobs involving business rules and data quality from Source (HOMES) to STAGING to EDW then to data marts.
- Developed DI ETL Jobs to extract source data from HOMES System to load target EDW.
- Wrote User-Defined SQL queries for extracting the data from source systems.
- Extensively worked on Error Handling and data reconciliation process.
- Involved in unit, performance and Integration testing of ETL jobs.
- Responsible for documentation of all the ETL jobs.
- Support ETL Jobs to migrate to Production, Execute in ETL in Prod and Post production support.
Environment: BODI 3.1, Windows 7.0, Oracle10g, SQL, PL/SQL, Internal Wiki, HPQC, UNIX, Webi, BO, BO UNIVERSE
Confidential
ETL Consultant
Responsibilities:
- End to End Design and Development Data conversion entities.
- Build TDD/FDD documents.
- Created Informatica ETL mappings, Sessions, Workflows to load Source System files to Siebel CRM system.
- Unit testing and Preparing UT Cases for respective entities.
- Data /UI testing.
- Mock Run executions.
- Working closely with testing team to environment setups and defect resolution.
- Actively involved in finalizing build checklist and execution plan.
- Loading Data into Production System and Post production support.
- Document all process and handover AMS team.
Environment: Informatica 8.1, Windows 2003, Oracle10g, SQL, PL/SQL, HPQC, Siebel 8.0, EIM.
Confidential
Data Migration/ETL Consultant
Responsibilities:
- Designed and developed DTS Jobs to load legacy system data onto Siebel CRM System
- Write SQL Statements to de-duplicate source data and other Migration SQL statements
- Build and create Mock execution and Run statements for load
- Validate and verify load.
- Run EIM Jobs and IFB files to load into Siebel CRM System.
- Front end Siebel UNIT Testing load and working with Testing team to verify the load process
- Work on DataMigration defects and resolution.
- Worked on Onsite-Offshore model supporting the CRM data load.
Environment: DTS 2000, SQL SERVER 2000, Siebel Tools 8.1, Siebel Call Center CRM Application, HPQC, MS Visio
Confidential
Consultant
Responsibilities:
- Monitoring the production load through BWI/EES Interfaces.
- Fixing & Enhancing existing Informatica mappings to load into Siebel CRM System.
- Work with onsite team to work on enhancements and support existing system loads
- Received KT From Onsite and Offshore team
- Debug existing INF Mappings to enhance and load into DEV, TEST ENV
- Post load support and resolving data load tickets.
Environment: Informatica 8.1, Oracle9i, SQL, PL/SQL, MS Access
Confidential
Consultant
Responsibilities:
- FDD/TDD/Design document preparation and developing code for implementing functionality.
- Developed SQL procedures/functions and packages to load Account/contact and its child entities into Siebel database.
- Executing jobs in DIF Framework (for this we need to write .xml files which serves input for DIF Frame work).
- Worked on Informatica expression, Router, Source qualifier, aggregator, and lookup and Normalizer transformations.
- Executing Informatica workflows/sessions.
- Debugging Informatica mappings and Sessions.
- Installing Interfaces in SBLTD, CRMTST, EMEAQA, APJQA, AMSQA, Instances.
- Preparing test case scripts to run EIM Jobs.
Environment: Informatica 8.1, Oracle 9i, PL/SQL, DIF, SQL Developer, Siebel 8.1, HPQC