PROFESSIONAL SUMMARY:

 

·               Over 18 years in IT experience including 10 years of experience in BI/DW Architect/Lead Developer.

·               Experience on all phases of Data Warehouse/BI (OBIEE, Cognos, Tableau, Jaspersoft) development, Testing, Implementation lifecycle from gathering requirements to testing, implementation, and support.

·               Data Modeling (Logical and Physical Data Models) and Data Integration for EDW.

·               Big Data Hadoop 1 & 2 (HDFS, Map Reduce, YARN, HIVE, PIG), Vertica.

·               Familiar with Master Data Management (MDM).

·               Exceptional background in analysis, design, development, test, and implementation of DWH, BI Environment with Slowly Changing Dimension(SCD) Type 1, 2, and 3 as well as Changed Data Capture(CDC)

·               Designed MDM, ODS, Staging, Multi Dimensional, Fact, Data Mart tables with Star/Snowflake schemas.

·               Demonstrated expertise on various ETL tools (Talend, Informatica, ODI, DataStage, and Cast Iron).

·               Advised and consulted for technical groups on ETL best practices.

·               Built RPD, Dashboard/Analysis, and OBI Publisher reports in OBIEE 10/11g

·               Manage daily support activities to include Business Intelligence and Reporting.

·               Familiar with IBM Cognos v10.2 Framework manager, Powerplay cube and Report studio.

·               Excellent technical and analytical skills with clear understanding of business requirement

·               Team lead/player with good communication and problem solving skills

·               Leads the implementation of effective solutions in data integration

·               Oracle Data Integrator (ODI) v10 Training Certification: Administration and Development

·               Strong analytic, problem solving, and collaborative skills.

·               Strong understanding of financial and business flow and principles

·                

 

TECHNICAL SKILLS:

 

ETL Tools Informatica v9, Oracle Data Integrator (ODI) v10, DataStage v7/8, Cast Iron, Talend Data Integrator

Development tools Toad, SQL Developer/Data Modeler, SQL*Loader, Apex Data Loader, PL/SQL, PeopleTools 8.45, XML, HTML, T-SQL, Erwin, SharePoint, MS Project, Visio, Powerpoint, Cognos (Framework Manager, Powerplay Cube, Report Studio)

BI Reporting ToolOBIEE 10/11g, OBI Publisher, Tableau, Cognos, Jaspersoft, Domo

DB Oracle 10/11g, MySQL, DB2, and MS SQL Server

O/S UNIX/Linux, Windows NT, Mainframe (IBM)

ERP/EPM PeopleSoft 9.0 (EPM, Financial, Supply Chain, HR, CRM),

Oracle EBS (Order Management, Inventory, Project)

 

PROFESSIONAL EXPERIENCE:

 

Paintnite – Somerville, MA

Data Warehouse/BI ArchitectMay, 2015 – Present

 

·               Gathering/Analysis of Business Requirements from internal Marketing, Customer service Teams.

·               Data Mapping to integrate with the Operational Data and other systems.

·               Rebuilding existing Enterprise Data Warehousing Architecture.

·               Build Staging, ODS, and DWH Tables with partitioning and parallel.

·               Building Data Model based on Kimball Methodology with Start schema.

·               Designing DWH Tables with Dimension, Fact, and Aggregation Tables.

·               Creating MySQL and Aurora DB Instances in AWS RDS (Amazon Cloud).

·               Creating Stored-procedures and SQL queries.

·               Setting up Data connection/Domain to various data sources in Jaspersoft Server.

·               Creating BI Analytic Reporting (Ad hoc views, Reports, Dashboards).

·               Created ETL jobs with Talend Data Integrator/Big Data EE (File/MySQL to Oracle)

·               Deploy/setup the Talend jobs to Prod and on Administrator Console.

·               Managing Off-shore resources.

·               Troubleshooting and Problem solving.

 

Technologies: ETL Talend v5.3 EE, TAC (Talend Administrator Console), Oracle 11g, PL/SQL, SQL Plus, Toad, SQL Developer, SQL Plus, Toad, MySQL, Unix, Shell scripts., AWS RDS, Aurora DB

 

 

Rue La La – Boston, MA

Senior BI/DW Engineer     April, 2013 – May, 2015

 

·               Gather Business requirements for BI Analytics (reporting, dashboard).

·               Analyze data needs and design logical and physical data models for Customer Analytic Model.

·               Create functional and technical design documents in Confluence.

·               Build BI Analytic Platform and Business Models.

·               Create Intraday Dashboard and Reporting like Vendor Detail Report in Tableau.

·               Develop ETL jobs using Talend Data Integrator, PL/SQL, and SQL*Loader in Oracle.

·               Setup batch jobs scheduled by Cron job / Active batch.

·               Develop Budget Planning and Forecast upload process to EDW.

·               Create Materialize views, Dimension, Fact tables, Triggers, and sequences.

·               Construct Master Data Management(MDM) – Customer, Product, Boutique,

·               Big Data Hadoop (HFDS, Map Reduce, YARN), Vertica - POC

·               Develop Data Source, Business Model, filters and packages in Cognos Framework Manager (v10.2).

·               Create BI Ad-hoc reports and Dashboards in Cognos v10.2 – Report Studio, Query Studio, Work Space.

·               Data Integration for multiple source systems to EDW Environment - Oracle.

 

Technologies: Oracle 10g, PL/SQL, MySQL, Cognos v10 (Framework, Report Studio, WorkSpace), JasperSoft, Talend (DI, MDM), POC on Big Data Hadoop Analytics (HDFS, YARN, Map Reduce, Hive, Pig), Tableau,

SQL Plus, Toad, SQL Developer Data Modeler, SQL*Loader, Linux, Windows, Active Batch, CronJob Scheduler, Materialize View

 

Fidelity Investment - Boston, MA        Oct. 2012 to Mar. 2013

Senior BI/DW OBIEE Consultant

 

·               Analysis Business user’s requirements and build Logical and Physical Data Models with Star/Snowflake Schema.

·               Design and development OBIEE Analysis, Dashboard & BI Publisher Reports using OBIEE 11g.

·               Build Repository and Hierarchy in OBIEE Admin Tool (RPD).

·               Development and Enhancement to load/extract data from ODS to DW schema using PL/SQL and SQL scripts as well as assisting other team members.

·               Support business operations via OBIEE: investing defects or issues, assisting with usage tracking metrics, and updating existing BI Publisher report, analyses, dashboards.

·               Create Unix/Linux Shell scripting regarding Clear case and AutoSys job scheduler

·               Ensure that all incidents and requests are resolved and handled promptly and in order of priority.

·                

Technologies: Oracle 11g, OBIEE, BI Publisher, PL/SQL, SQL Plus, Toad, SQL Developer, SQL*Loader, Unix, Windows XML, SharePoint

 

 

Mercury Systems - Chelmsford, MA       Jan. 2011 to Sep. 2012

BI/Data Warehouse ETL Lead/Architect

 

·               Worked closely with Business users to understand their data needs and translate requirements into ETL design and integration workflows.

·               Identifies requirements, defines scope, performs cost benefit analysis, and develops conceptual specifications to address complex business issues and problems.

·               Analysis and Design Data Modeling (Physical / Logical Data Model) for Revenue Forecast, Booking, and Sales Models.

·               Design Functional/Technical Specifications based on the Business Requirements.

·               Build Metadata Repository in  OBIEE Admin Tool

·               Create Answers and Dashboards for Revenue Forecast Model in OBIEE.

·               Create Dimensional and Fact tables in Star/Snowflake Schema.

·               Create Staging, DW and Aggregated, Data Mart tables with SCD Type 1, 2 and 3.

·               Create Oracle PL/SQL, Materialized views and functions for ETL and OBIEE.

·               Configured ODI ELT Designer, Topology, Operator and Security Manager.

·               Create Physical, Logical Architecture and Repository in Topology Manager.

·               Create Data Model, Data Store and Project in Designer.

·               Develop Procedure, Interface, and Packages using ODI Knowledge Modules for data load from EBS to EDW.

·               Setup ODI Agent to execute the ODI scenario jobs automatically in Batch schedule.

·               Develop/manage ETL Informatica Repository, Mapping, Workflow in Batch Schedules/Ad-hoc Processing. 

·               Performance Tuning on ETL - Informatica mapping/workflows, PL/SQL, SQL scripts. 

·               Provide Strong Technical Leadership on projects with working independently.  

·               Possesses strong Data Warehouse/ETL Architecture concepts and knowledge.

·               Build strong relationships with other project members and 3rd party consultants. 

·               Utilize 3rd party development tools for System/Data Integration.

·               Demonstrates strong commitment to Continuous Improvement in the areas of process and technology.

·               Troubleshooting and resolve end user issues and problems.

 

Technologies: ODI v10, Informatica Power Center v9, DAC, Oracle 11g, OBIEE, PL/SQL, SQL Plus, Toad, SQL Developer, SQL*Loader, Linux, Erwin, MS SQL Server, T-SQL

 

 

FDIC (Macro Solution) - Arlington, VA          May 2007 to Nov. 2010

DW/ETL Specialist

 

·               Analysis and configure the ETL system to convert from Informatica to Datastage.

·               Design and develop ETL (Datastage, Informatica), PL/SQL, Store procedures, configuration files, tables, views, and functions; implement best practices to maintain optimal performance.

·               Advising other groups in organization on ETL development, data warehouse development, and ETL development best practices. 

·               Conduct code walkthroughs and review peer code and documentation. 

·               Build efficient ETLs and Test scripts for processing data load from financial system/Payroll/HR to EPM as well as 3^rd Party system.

·               Establish shell scripts/runsheets of ETL jobs for Batch Process via Control-M.

·               Work with other developers, DBAs, and systems support personnel in elevating and automating successful code to production. 

·               Provide on-call support to production system to resolve any issues. 

·               Improved the performance on weekly data load process from 6 hours to 1 hour.

 

Technologies: Informatica Power Center v7, DataStage v7/8, Oracle 10g, PL/SQL, SQL Plus, Toad, SQL Developer, SQL*Loader, Unix, Erwin

 

 

BearingPoint - Boston, MA Sep. 2005 to May 2007

Senior ETL Consultant

 

·               Designed Data Model, ODS layers, Data Warehousing, and Data Mart Tables for Dashboard Scorecards.

·               Developed Informatica ETLs to interface data from FIN/HR/Hyperion/CRM to EPM.

·               Customized/Developed Application Engines, SQRs, PS Query, and SQL Scripts.

·               Setup Record Metadata and defined Dimension/Fact Tables for DWH and Data Mart.

·               Provided technical and functional support with production support for PeopleSoft EPM with HR, Financial, and CRM system.

·               Identifying, defining, and implementing new processes as required to business needs.

·               Reconciled the data b/w PeopleSoft Financial/HR/CRM and EPM.

·               Troubleshooting system issues for PeopleSoft EPM and Financial 8.4 (GL, AR, AP, BI, Project) applications.

·               Created Test scripts and results.

·               Report Query writing /development, and maintenances

Technologies: Informatica Power Center v7, Oracle 10g, PL/SQL, SQL Plus, Toad, SQL Developer, SQL*Loader, UNIX, Erwin v7

 

 

American Express(NCP) - Toronto, Canada Mar. 2005 to July 2005

PeopleSoft Consultant

 

·               Implemented PeopleSoft v8.3/8.8 (HR, Global Payroll Interface System, Benefits).

·               Production support for interface processes via FTP, XCOM, and XML on Global Payroll System.

·               Analyzed, designed Tech spec, and developed batch process (SQR), on line process.

·               (PeopleCode, App Engine) for MPC Compensation, Job code change, Mass change, and Terminated EE list, etc.

·               Enhanced Work Location, Expatriate EE Payroll, Personal data change, Cash awards, Cost Center with PeopleCode, PeopleTools, App Engines.

·               Created new PS queries and updated existing queries for user’s needs.

·               Resolved HR problem tickets, Troubleshooting, Performance Monitoring.

·               On call production support.

 

 

AGF - Toronto, Canada Aug. 2004 to Feb. 2005

PeopleSoft/ETL Consultant

 

·               Implemented on PeopleSoft EPM V8.8/CRMv8.4 – fixed and enhanced on issues and defects in CDM, Sales, Marketing, and Support modules.

·               Developed/Modified Interface Job Processes from Existing Custom Data (CRM) into EPM (ODS Layer) via ETL (Ascential Datastage) tool for consolidated data – Incremental/Destructive.

·               Maintenance interface process from 3rd party XML file to PeopleSoft EPM.

·               Created Dimension, Fact, Error, Temporary tables for EPM Data Warehousing.

·               Created Metadata, Table map, Data map, Data Loader Process with EPM (App Engine) Engine.

·               Designed Technical specs and built Data loader processes from ODS layers into Data Warehouse Tables (Dimension/Fact Tables, etc) on Product, Issue, Advisor modules, etc.

·               Developed/Customized Application Engines, SQR and Crystal Reports for marketing/sales.

·               Created many Lookup Views and SQL objects for Daily/Weekly/Monthly Reports.

·               Created run control pages/menu for the new custom reports and set up in process scheduler.

·               Wrote unit test plan and support to functional analysts to create the PS Queries.

·               Fixing critical defects and performance monitoring on data loading processes.

·               Developed Black Berry (Mobile Sales) interface system between SQL server and PeopleSoft CRM.

·               Successfully implemented for EPM v8.8.

·               Created several complex reports for Marketing and Sales modules timely in PS CRM/EPM

·               Participated development of Black Berry (RIM) interface modules for Peoplesoft.

 

 

INDUS - Mississauga, Canada June 2000 to March 2004

PeopleSoft Consultant

 

·               Fixing critical defects and performance monitoring on data loading processes.

·               Implemented the PeopleSoft HRMS v7.5/8.3 modules (HR, Payroll, Time & Labor, Benefits, Recruit Workforce) and Financial (GL/AM).

·               Upgraded SQR programs, PeopleCodes, PS Tables for HRMSv7.5 to 8.3.

·               Designed technical specifications, modified objects (Components, Pages, Table Structures, etc.).

·               Developed/Customized of App. Engine programs for complex calculations or to change in business rules.

·               Production Support for HR defect corrections/Data change requests.

·               On call production support for PeopleSoft HRMS applications (HR, Payroll, Benefits Administration and Base Benefits, time and labor).

·               Customized pages, components, menus for HR, Payroll, Base Benefits, and GL/AM, etc.

·               Created multiple SQR reports, Crystal reports – HR, Payroll, Benefits, Financial reports (GL, AM).

 

Shineun Mutual Savings Bank - Seoul, Korea Oct. 1997 to Feb. 2000

Programmer/Analyst

 

·               Developed all application programs, mainly interface programs for Bank client to control and manage information of financial transactions transmitted between Bank and Finance company.

·               Converted the Banking System (Customer Information Management) from Mainframe to UNIX.

·               Upgraded and enhanced applications for GIC, Mutual Funds and Checking/Savings Accounts in general system of financial business.

·               Modified applications for Management Information System and Personnel Management System.

·               Processes involved analysis, design, specification, programming, menu displays and testing. Focused on analysis, coding and testing application programs as a main staff of the team.

·               Programs were written in Oracle Forms/Report, Pro*C, PL/SQL, Pro*COBOL, Unix, and SQL*Plus using Oracle database on HP/UNIX.

 

EDUCATION:

 

Computer Science – College Diploma in DongSeoul College

Economics – BA in SoongSil University