Sr. Data Architect/ Sr. Data Modeler Resume
Alexandria, VA
SUMMARY:
- Over 30 years of IT experience which includes data architecture, database and data warehouse design, modeling, development, testing and programing.
- Over 20 years of Oracle experience.
- Data Warehousing design and modeling
- Database design and modeling
- Data architecture
- Processes design and implementation
- ETL processes design and implementation
- Algorithms design and implementation
- Data conversion, cleansing, and migration
- System design and implementation
- Systems integration
- Data analysis
- Data Quality
- Functional analysis
- Performance tuning
- Computer programming
- Problem troubleshooting
- RICE development
- Database Administration
- SQL
- PL/SQL
- Ad - Hoc reporting
- BI
- Non-standard solutions approach
- Data Volt
TECHNICAL SKILLS:
Oracle Products: Oracle Federal Financials Application (Release 10/11) (Modules PO, FA, AP, HR, INV), Oracle Discoverer, Developer 2000 (Reports (6i, 6.0, 3.0, 2.5), Forms (6i, 6.0, 5.0, 4.5)), SQLLOADER, Oracle Data Integrator (ODI)
Programming Languages: SQL/SQL+, PL/SQL, Powerbuilder (5, 6.0, 6.5), JAVA 1.3, Java Script HTML, PL/1, FORTRAN IV, ALGOL 60, Assembler, Basic
Data Modeling Tools: ErWin, ER Studio (Embarcadero), IBM InfoSphere Data Architect (IDA), Microsoft Visual Studio, Powerdesigner, Qdesigner
Other Software: TOAD, Tableau, Sunflower Fixed Assets, Prism, Developer 2000 (Reports (6i, 6.0, 3.0, 2.5), Forms (6i, 6.0, 5.0, 4.5)), Polyanalyst 6.0, Infomaker, Jbuilder (3, 4), Excel, Jdeveloper 10g, JIRA, Tortoise CVS, Eclipse
Technology: Programming Languages SQL/SQL+, PL/SQL, Powerbuilder (5, 6.0, 6.5), JAVA 1.3, Java Script, HTML, PL/1, FORTRAN IV, ALGOL 60, Assembler, Basic
Databases: Oracle 5/6/7/8i/9i/10g/11g, Ms SQL Server, Sybase, DB2, Watcom, Access, Dataflex
Operating Systems: Windows, OS X, MS-DOS, OS/2, OS/390, Solaris, UNIX
Life Cycle Expertise: Requirements Analysis, Design, Development, Conversion, Testing
Specialty Skills: Data Architect, Conversions, Interfaces, Database Development, RICE Development, Database Administration
CHRONOLOGICAL EXPERIENCE:
Confidential, Alexandria, VA
Sr. Data Architect/ Sr. Data Modeler
Responsibilities:
- Worked on existing PALM System Analysis
- Learned business rules
- Analyzed existing processes and data flows
- Analyzed and troubleshot existing codes mostly written in PL/SQL language
- Created multiple complex SQL queries
- Proposed the changes needed for the system to satisfy new requirements, including the changes in the data flows
- Analyzed performance problems and suggested the ways of performance increase
- Designed the document offering the ways of fixing data inconsistencies
- Created multiple design documents
- Performed conversion from IDA to ER Studio tools
- Worked on some changes in Data models
- Worked on creation and management of data dictionaries
- Created multiple reports based of Microsoft Macros to support DDL extraction out of ER Studio and manage Data Dictionaries
Confidential, Arlington, VA
Sr. Data Architect/Sunflower Integration Lead
Responsibilities:
- Analyzed existing System
- Analyzed existing databases
- Performed data integration Analysis
- Designed new data integration process
- Created data integration document
- Worked on implementation plan
- Worked on implementation process design document
- Assisted in organization and design of staging tables to migrate and integrate the data from multiple sources
- Worked on data migration
- Worked on data mapping
- Worked on data flow diagram
- Created advanced SQL queries for data analyses
- Assisted in creation of PL/SQL packages for data migration
Confidential, Gaithersburg, MD
Sr. Data Modeler/Sr. Data Analyst /Sr. Oracle Developer
Responsibilities:
- Analyzed existing financial systems, engaged in various Confidential activities such as Confidential (Comprehensive Automated Risk Data System), STAR (Structured Trading Aggregate Report), etc.
- Worked on Data Models gap analyses
- Created conceptual Data Model for new system
- Was involved in data mapping
- Performed deep data analysis involving complex SQL queries
- Tuned queries for performance increase
- Suggested parallelization strategy
- Worked on Enterprise Logical Data Model
- Worked on Data Volt concepts and modelling
- Worked on data warehouse schema improvements
- Was involved in data profiling
- Architected and designed several processes consolidating the values from different data sources into one data source
- Developed packages to support the processes above
- Design and developed Materialized views for better system performance
- Designed and built database to support the processes above.
- Created Data flow diagrams
- Designed and developed ETL processes
- Created multiple procedures involved in ETL processes
- Was involved in data quality testing
- Worked on fixing existing code errors
- Created Oracle PL/SQL packages, functions and procedures to support and enhance existing processes
- Was involved in creation of Tableau visual reporting and analysis
Confidential, Baltimore, MD
Sr. Datawarehouse Consultant/Sr. Data Architect/Sr. Data Analyst /Sr. Oracle Developer
Responsibilities:
- Was involved in data analyses of existing data sources for Data warehouse
- Was working on Data warehouse Model
- Analyzed source data and suggested the loading and other concepts for Data warehouse
- Created multiple complex SQL queries to analyze the data and to support ETL process
- Created multiple complex PL/SQL packages, procedures, functions to support ETL process
- Designed and developed ETL processes
- Was involved in data quality testing
- Supported development and test database instances by performing DBA functions
- Worked on data dictionaries
- Worked on Data Integration
- Was involved in Data Validation
- Worked on Database performance
- Tuned queries for better performance
- Worked on BI concepts
Confidential, Washington, DC
Sr. Data Architect/Sr. Data Analyst
Responsibilities:
- Developed multiple SQL queries of a very high complexity for data analysis
- Analyzed and evaluated existing multiple data sources for the integration possibility
- Participated in business and functional system analysis
- Created integrated physical/logical database model
- Normalized database design
- Participated in Data Validation
Confidential, Annapolis, MD
Sr. Oracle Programmer/Sr. Analyst
Responsibilities:
- Analyzed existing System
- Participated in Business Analysis
- Developed new and enhanced old code for back-end processes in PL/SQL
- Supported Production Application by troubleshooting production issues on the database side
- Created multiple complex SQL queries for the data analysis purposes and data quality tests
- Created processes and PL/SQL packages to fix and improve existing problems
- Created series of Materialized views to monitor the data
- Performed multiple DBA functions by creating many database objects including partitioned tables, indexes and sequences, etc.
- Analyzed, fixed and expanded legacy systems back-end complex PL/SQL procedures, functions, and packages
- Analyzed existing PL/SQL codes for reverse engineering processes
- Worked on improvements of slow performance
- Tuned existing queries for better performance
- Worked on the enhancements to the data warehouse schema
- Tested and debugged codes
- Worked with data quality issues
- Worked on data Mapping
- Was tasked with Data Validation
Confidential, Washington, DC
Sr. Data Architect/Sr. Data Warehouse Architect
Responsibilities:
- Analyzed existing System
- Analyzed existing Reports
- Advised on the database and BI Tools products
- Worked on BI concepts approach
- Designed the data architecture for new system
- Participated in Business Analysis
- Designed the process and the dataflow
- Created Data Warehouse prototype
- Created Data structure diagram
- Created on Data flow diagram
- Was involved into integration, conversion, and migration discussions
- Was involved in discussions on cloud connected new system design
- Created multiple SQL queries for data analyses
- Was participating in data quality checks and Data validation
- Worked on database queries tuning
Confidential, Washington, DC
Sr. Data Architect
Responsibilities:
- Analyzed existing User Requirements documents
- Advised on the database and COTS product
- Prepared Migration Strategy and Migration Plan Document
- Participated in creation of Use Cases
- Participated in Business Analysis
- Designed the data architecture for new system
- Designed the process and the dataflow
- Designed the database in accordance with the requirements
- Architected, designed and modeled Data warehouse
- Created complex SQL queries for data analyses
- Created on Data flow diagram using swim lanes
- Normalized database design
Confidential, Arlington, VA
Sr. Data Architect
Responsibilities:
- Analyzed existing data using SQL+ and BI Tool PolyAnalyst
- Prepared data analysis result documentation
- Recommended data integration approaches to perform data mediation between a data source and a destination
- Involved in research for selection of data management tools
- Re-developed and fixed some problems in data models and data architecture
- Worked on data warehouse model
- Participated in alteration of data management standards and conventions
- Worked on cleansing concepts
- Worked on data migration plan
- Worked on conversion business rules document
- Worked on Data Mapping
- Created on Data flow diagram
- Was involved in data validation
Confidential, Arlington, VA
ERP Product Principal Consultant/Sr.Architect
Responsibilities:
- Analyzed existing business rules on the project
- Designed business process
- Created all necessary database objects
- Created all grants on the objects to run the process from APPS schema
- Developed the interface using PL/SQL
- Tuned the process for faster performance
- Created multiple SQL queries for data analyses and data quality tests
- Developed the process flow using DOS commands
- Conducted unit and regression testing
- Created all appropriate reports to provide administrator with current information on the users as well as an error report
- Created all appropriate documentation
- Created Data structure diagram
- Created on Data flow diagram
- Improved slow performing queries
Confidential, Falls Church, VA
ERP Product Principal Consultant
Responsibilities:
- Analyzed existing business rules and requirements on the project
- Designed business process according to MD-50 requirements
- Created all necessary database objects
- Created all grants on the objects to run the process
- Developed all codes using PL/SQL and SQL queries
- Tuned the process for faster performance
- Incorporated the package into the application
- Conducted all unit and regression testing
- Participated in data quality testing
- Created all appropriate reports according to the customer requirements
- Created all appropriate documentation, including MD-70, Release Note
- Created on Data flow diagram
- Worked on improvement of slow performing queries
Confidential, Washington, DC
Senior Oracle Software Engineer/Database Analyst/Testing Analyst
Responsibilities:
- Analyzed existing business rules on the project
- Created testing scenarios and test cases
- Programmed existing business rules into Oracle SQL statements
- Conducted data quality tests using SQL statements
- Automated testing procedures
- Participated in BI development
- Participated in Data warehouse enhancement
- Worked on data warehouse model
- Developed SQL statements for Hyperion analytical reports
- Tuned created SQL statements for performance increase
- Developed full testing documentation
- Created database functions and packages
- Created complex SQL queries for OLAP Hyperion reports
- Created SQL queries for Informatica development
