Santhosh Balla		Ashburn, VA
		Phone: (703) 887 9855
		Email: santhoshballa@gmail.com

 

Professional Summary

●        15+ years experienced IT professional in Data/Database Architecture, Development and Administration, Data Integration, Business Intelligence, Data Visualization and Reporting, Big Data and Cloud Computing.

●        Experience in architecture, design and implementation of very large scale data architecture projects involving data acquisition, data integration, Operational Data Stores (ODS), Enterprise Data Warehouse (EDW), Master Data Management (MDM) and data distribution across the enterprise.

●        Experience with relational and dimensional database design, data modeling techniques (Normal Forms, Star/Snowflake schemas) using conceptual, logical, physical and canonical models.

●        Experienced in RDBMS database architecture, design and development and administration including performance tuning, partitioning, advanced compression techniques, and backup/recovery.

●        Broad experience with Enterprise Data Architecture frameworks and methodologies; TOGAF and Zachman frameworks,  Inmon and Kimball approaches to data warehouse and datamart design.

●        Implementation experience on Talend Suite of products including data integration, master data management, big data, application integration and data profiling.

●        Very strong experience with data modeling tools; ER/Studio, ERwin, IBM Data Architect, Visio, MySQL workbench, RDBMS skills using Oracle, Microsoft SQL Server and MySQL on Linux, Solaris and Windows, data integration, profiling, big data, MDM skills using Talend Suite of products, data visualization using Tableau.

●        Knowledge and very good understanding of Amazon Web Services (AWS) and Microsoft Azure cloud computing platforms, Horton Works, Cloudera and Amazon EMR big data platforms.

●        Excellent knowledge and experience with data visualization, enterprise data management, data mining, statistical and data analysis skills.

●        Interested in Data Science, Cloud Computing, Big Data, Data Integration, Enterprise Data Management, Business Intelligence, Data Visualization, Data Architecture and Development.
 

Architect, LMU, Los Angeles, CA

January 2015 -- Current

●        Technical Architect to automate the ETL data integration projects for the Admission and Registration Statistics Dashboards, Microsoft CRM Dean of Students project.

●        Provided expert level technical knowledge, mentoring and leadership for data architecture, data quality, data profiling using Talend suite of products including Talend Data Integration, Profiling and Talend Administration Center on Oracle 11G, Microsoft SQL Server databases and ER/Studio for Data Modeling.

●        Reviewed, analyzed and modified the Registration and Admission Datamarts. Created DDL, DML and DCL alter scripts to make model changes.

●        Provided source to target mapping, gap analysis, use cases, test cases, requirement traceability matrix, project management tasks, effort estimation and documentation.

●        Created complex SQL queries, PL/SQL packages, procedures and functions for data analysis, profiling and data quality using TOAD and Oracle SQL Developer.

●        Provided technical and release documentation, PowerPoint presentations as part of the project deliverables.
 

Senior Data Architect - SME, USPTO, Alexandria, VA

September 2014 -- January 2015

●        Lead Data Architect on the Trademark Datamart (TRDM) data warehouse project, responsible for creating and updating the 15+ star dimensional data models.

●        Reviewed and analyzed COBOL reports, documentation and code on the mainframe, provided gap analysis, source to target mapping and data validations between source and target.

●        Physical Data Modeling using IBM’s Data Architect using Oracle 11g as the database.  Created and/or modified 15+ star data models, 29 fact and 55 dimension tables in the TRDM data design project. Generated the DDL, Alter Scripts, Model Diagrams, Compared structure, property and merged objects.

●        Performed data analysis, data profiling and data quality on the source (TRAM) and target data sources (TRDM).

●        Create complex queries using Advanced Analytical Queries in SQL for data analysis, profiling and validations.
 

Solutions Architect, Coca-Cola, Atlanta GA

June 2014 -- September 2014

●        Conducted a total of 41 meetings and interviewed 37 individuals globally including Business Users, Architects and SME’s to understand the Current State Social Media Architecture and Landscape, Identify Gaps, propose the Future State and develop the Blueprint and the Roadmap for the next 3-5 years.

●        Interviewed stakeholders from the Global HUB, the 5 Coca-Cola regions (EUR, EU, APAC, LATAM and NA), Business and IT.

●        Documented Current State Architecture, Gaps, and Use Cases and provided recommendations for Future State. Analyzed existing architecture and compared it to leading practices for social media platforms.

●        Documented Current State Architecture including an inventory of tools for social listening and publishing, data sources, feeds, and integration touch points across The Coca-Cola Company (TCCC).

●        Prepared meeting minutes, inventory list of tools, analysis and presentations as part of the project.

●        Collected list of Social Media KPIs used to measure Social Media activities at the Global and the Regional level.
 

Talend Developer, Fordham University, NY

June 2014 – September 2014

●        Designed and created the source target crosswalk model, data dictionary and other artifacts for the data integration system with Banner ERP.

●        Created Regular Expressions using Talend Enterprise Data Quality for Names, SSN, Professional Designation and Religious orders.
 

Data Architect, Inovalon, Herndon VA

December 2013 -- June 2014

●        Worked on cutting edge Business Intelligence INDICES reporting product, a very powerful, easy to use reporting platform built on Microsoft Technology using Microsoft SQL Server, T-SQL, SSAS, SSIS and SSRS.

●        Created, modified and tested complex SQL Server procedures, functions and views. Created Fact and Dimensional database objects for the STAR data warehouse database. Created complex SQL Server scripts to Conform Dimensions.

●        Created SQL Server SSAS Multidimensional Cubes, Data Source Views, Dimensions, Hierarchies, KPI’s, Actions, Perspectives, Aggregations and Partitions.

●        Extensively used Data Compare and Schema Compare to identify similarities and differences in the data, structural differences between databases and database projects between a database and a database project.

●        Used Microsoft Team Foundation Server Database Projects using Source Control, merged code and synced seven different databases. Deployed backend database changes to QA and UAT environments.

 

Enterprise Data Architect, CareFirst BCBS, Washington DC

April 2013 -- December 2013

●        Provided leadership for definition, direction and guidance at CareFirst’s Data Architecture team to support the business needs.

●        Lead Data Architect for the Pharmacy Benefits Manager (PBM), Medicare Part D and the Medi-Span Data Acquisition Layers.

●        Conceptual, Logical and Physical data modeling using CA ERwin and ER/Studio Data Architect, Repository and Portal. Implemented naming standards for logical and physical names and translation between logical and physical entities and attributes.

●        Forward and reverse engineered data models, compared and merged changes between logical and physical data models, capacity planning and volumetrics to manage and estimate the growth of data.

●        Active participation during Architecture Review Board (ARB) and Solution Review Team (SRT) meetings on behalf of the Data Architecture team.

●        Provided technical solutions and recommendations, engaged with ETL developers and Architects, Business SME’s and other stakeholders throughout the development of the solution.

●        Worked with the DBA’s to implement and deploy the generated DDL from the physical data models and resolved outstanding issues.

●        Reviewed logical and physical data models, data flow diagrams (DFD) and DDL scripts with the Data Architecture team and provided valuable recommendations.

●        Conducted review meetings and JAD sessions with the Data Architecture and development teams to review LDM’s and PDM’s.

●        Worked with the Data Architecture team to create a 2014 Corporate Initiative for the Hadoop Big Data proof of concept project.

 

ETL Architect, Otsuka America Pharmaceutical, Princeton, NJ

January 2013 -- April 2013

●        Architect for ETL/ELT data automation projects using Talend and Microsoft SQL Server.

●        Elicited and gathered requirements, designed, developed and tested Microsoft SQL Server and Talend ETL data automation solutions for Alignment Common Publish, MDM Common Publish and Veeva.

●        Recommended and established best practices and naming conventions for Talend and SVN.

●        Prepared and authored documents for the Architecture of Talend and SVN. Prepared and presented Microsoft PowerPoint presentations to the business users.

●        Designed, developed, saved, tested and exported Talend ETL java code into zip files and migrated code into various environments from development through to production.

●        Performed unit, integration and system testing of the Talend ETL jobs.

●        Authored release documents for migration of data automation jobs from development to production.

 

Database Architect, Ogilvy & Mather, New York, NY

September 2010 -- January 2013

●        Provided leadership for ETL/ELT projects, data modeling, relational database management systems administration, design, development, tuning and implementation for a 4 terabyte Oracle 10g 8 node RAC, Oracle 11g and MySQL environments.

●        Global technical support for Oracle, MySQL, Talend, Tableau, SQL Developer, SQL and PL/SQL. Supported analytics departments in New York, Chicago, London, Bangalore, Paris and Bend.

●        Automated ETL and ELT data loading processes for IBM, Marin Search, Invitemedia, DoubleClick, Unica, Mediamind, Miaozhen, Eicoff and Idesk/Mediaocean using ETL/ELT tools like Talend and Talend Administration Center, Oracle, MySQL, Microsoft SQL Server, SQL and PL/SQL.

●        Automated processes for Big Data solutions using Oracle 10g/11g, working with datasets as big as 7.7 billion records, 3 terabyte Oracle Tablespaces. First at Neo@Ogilvy to provide an automated process to create the Attribution Model dataset.

●        Designed and developed more than 200 Talend jobs to automate ETL and ELT processes in an Oracle, MySQL and Microsoft SQL Server environments. Migrated Talend jobs from version 4.1 to 5.1.

●        Created complex advanced analytical SQL queries and PL/SQL code including packages, procedures, functions, triggers, materialized view, index organized tables and views.

●        Data Migration expert, having migrated Microsoft SQL Server, MySQL and Microsoft Access databases to Oracle, Oracle databases to MySQL.

●        Designed the logical and physical data models for the IBM Metadata, Invitemedia, Mediamind and Marin Search projects.

●        Oracle performance tuning using Explain Plan, Oracle Enterprise Manager GRID Control and Database Control, Parallel Query and Hints.

●        Installed, configured, administered and troubleshoot Tableau products. Created workbooks, dashboards and reports using Tableau, Business Objects and Excel for data visualization.

●        Oracle and MySQL database administration including controlling and monitoring user access to the database, monitoring and optimizing the performance, securing the databases, planning for backup and recovery, and generating various reports by querying the databases.

●        Worked closely with business users and heads, SME’s during discovery to deployment phases. Gathered and analyzed business requirements and authored business documents.

●        Worked with software product vendors to troubleshoot product defects and customer issues related to Tableau, Talend and Oracle.

 

Database Analyst, GMU, Fairfax, VA

January 2005 -- September 2010

 

Database Administrator, WVU, Morgantown, WV

August 2000 -- December 2004

Skills

Languages	SQL, PL/SQL, T-SQL, XML, XSD, XPath, C, C++, Java, Python, Shell Scripting, PowerShell
Databases	Oracle, MySQL, Microsoft SQL Server, Microsoft Access
Database Tools	OEM Grid and Database Control, Oracle SQL Developer, Microsoft SQL Server Management Studio, Toad, SQL Plus
Data Modeling Tools	ER/Studio Data Architect, IBM Data Architect, CA ERwin, Toad Data Modeler, MySQL Workbench
ETL/ELT Tools	Talend Data Integration, Master Data Management, Data Quality, Profiling, Big Data, Enterprise Service Bus (ESB), Talend Open Studio, Talend Administration Center, Microsoft SSIS
Reporting Tools	Tableau Desktop, Business Objects, Microsoft Excel
Big Data Ecosystem	Hadoop Distributed File System (HDFS), MapReduce, Hive, Pig, Hbase, HCatalog, Beeswax, Oozie, Hue, Hue Shell, File Browser, Job Browser and Designer, Oracle VM VirtualBox, HortonWorks Data Platform and Cloudera (CDH)
Cloud Computing	Microsoft Azure, Amazon Web Services (AWS), S3, RDS, EC2, Rackspace
Software Packages	Visual Studio Team Foundation Server, Database Projects, Data Compare, Schema Compare, Microsoft Project, Microsoft Visio, SPSS, MS Office
Others	Source Control, SVN, TortoiseSVN, VisualSVN, VPN, Google Apps (Docs, Email, Calendar, Hangout), WebEx, SSH Secure Shell, WinSCP, Putty, Apache Tomcat, Jboss, Oracle VM VirtualBox, Parallels Desktop

 

Education

●        M.S., Mathematics, Computer Science and Mechanical Engineering, WVU, Morgantown, USA

●        B.S., Metallurgical Engineering, Andhra University, Visakhapatnam, India