Oracle DB
Jitender Virmani
Data Warehouse Specialist | Data Engineer| Data Architect
New Delhi,Delhi
Summary
Specialist with 19 years of experience with 11 years extensively in Data Warehousing, Commerce Graduate from Delhi University, MCA from IIMT, 3 yrs Computer Diploma from NIIT, specializing in data architecture, database modeling, data warehousing projects and Configuration /Release Management. Proficient in mapping client's requirements, designing & developing customized solutions, troubleshooting complex information systems management. A process-oriented approach to assignments, with the ability to understand, plan and measure progress towards goals.
Data Warehouse Architect and Project-management professional with a proven record of accomplishment in increasing productivity, quality, and customer satisfaction and Managing Releases.
Overview
19
19
years of professional experience
9
9
years of post-secondary education
17
17
Certificates
Work History
Director
Ajooni Storage Systems
New Delhi, Delhi
10.2013 - Current
- Led the development and implementation of the company's first data warehouse.
- Replaced 176 existing reports with 45 new metric-unified warehouse reports for sales, marketing, and revenue management.
- Supervised entire database and technical operations for the company
- Established cross-functional relationships and directed all requirements gathering, data analysis, and documentation for enterprise projects to Logistics, Warehouse management, Racking, and loss data from 3PL and CNF Companies into a single multi-terabyte data warehouse with advanced reporting.
- Establish a strong working relationship with the internal team and clientele
- Identify business risks and opportunities
- Mentor 27 junior executives
- Design new sales strategies for additional revenue
- Supervise a team of 39
- Collaborate with customers and vendors to ensure high-quality products that adhere to scheduled timelines and meet budget
guidelines
Manager, Technology - Data Warehouse
Sapient Corporation (Client - RBS Global Banking & Markets)
Gurgaon, Haryana
03.2010 - 10.2013
- Analyzed large amounts of data to identify trends and find patterns, signals, and hidden stories within data.
- Expertise in Data Modeling, design & development of database architecture
- Expertise in data extraction, transformation, and load using diff tools, viz: Informatica, OWB, PL/SQL scripts, etc.
- Worked on Business Objects Universe design and Report generation
- Worked on Release Management, Change Management and Crisis Management
- Created Logical & Physical Data Models for the Project
- Worked on Requirement Analysis & Implementation
- Also involved in Post-Production Support
Manager, Technology - Data Warehouse
Sapient Corporation (Client - E.ON Energy Trading)
Dusseldorf, Germany
09.2008 - 02.2010
- Leveraged text, charts, and graphs to communicate findings in an understandable format.
- Provided reporting and technical expertise for maintenance of organizational processes.
- Managed implementation of new technological improvements resulting in increased efficiency.
- Created and maintained clear, concise project plans and developed strategies to meet deadlines
- Worked on n Data Modeling, design & development of database architecture
- Worked on data extraction, transformation, and load using diff tools, viz: Informatica, OWB, PL/SQL scripts, etc.
- Worked on Oracle & PostgreSQL Relational databases, SQL and PL/SQL programming, and query tuning
Senior Software Engineer -Data Warehouse Architect
Zensar Technologies (Client- Cisco Systems, Inc)
Pune, Maharashtra
09.2006 - 07.2008
- Worked as a Team Lead, Data Modeler, and PL/SQL Developer.
- Worked on Effort estimation, project planning, defining business flow, road map, and high-level process flow.
- Worked on tracking and mitigating the risk
- Performed Coordination with cross-functional teams.
- Performed requirement analysis and design of BI architecture using MS Visio
- Designing Dimensional Models
- Development of the business entity for DataMart using Oracle Designer 6i.
- Development of Complex views and stored procedures for reporting,
- Query optimization and performance monitoring.
- Project Scheduling for test/mock implementation, User Acceptance Test, Creating high-level business flow and case diagram
Software Engineer
i-Theeta Software Pvt. Ltd (OTIS Systems)
Bangalore, Karnataka
01.2005 - 09.2006
- Created Business Objects Reports
- Organized data in reports by using filters, sorting, ranking, and highlighted data with alerts,
- Developed Universe
- Performed the Integrity check
- Resolved loops by creating Aliases and Context.
- Created Conceptual models, Physical models, and designing of the final solution
- Created PL/SQL Scripts for Data Loading which increased performance by 40%
Software Developer
Analyze-it Technologies (Client - Airtel Ltd)
New Delhi, Delhi
06.2000 - 09.2002
- Design and implementation of ETL Mappings
- OLAP database Creation
- Requirement analysis, Test Case creation, and validation
- Unit and Integration Testing.
Education
Master of Computer Application -
IIMT
Greater Noida, U.P. 07.2002 - 06.2005
GNIIT in Systems Management -
NIIT
New Delhi 02.1999 - 01.2002
Certificate in Computing -
Indira Gandhi National Open University
New Delhi 01.2001 - 06.2001
Bachelor of Commerce -
University of Delhi
New Delhi 04.1998 - 03.2001
Skills
Data Analytics
Software
PostgreSQL
BigQuery
Big Data
Hadoop
Informatica
Pentaho
Erwin
Visio
Business Objects
MySQL
Python
PL/SQL
Microsoft SQL Server
Accomplishments
- Developed Cisco EDW of Size 17 Terabytes with 320 different reports, within half time allocated.
- Resolved product issues through consumer testing.
- Supervised a team of 39 staff members.
- Achieved Near Real-Time Data Refresh by completing tuning of Data Marts with accuracy and efficiency.
Certification
Scrum: Advances | PMI/LinkedIn
Quote
Judge a man by his questions rather than his answers.
Voltaire
Timeline
Scrum: Advances | PMI/LinkedIn
02-2022
Scrum: The Basics | PMI/LinkedIn
02-2022
Agile Foundation | PMI/LinkedIn
02-2022
Introduction to Big Data and Hadoop | Great Learning
02-2022
Learn Big Data Basics | Udemy
02-2022
Business Intelligence Concepts, Tools, and Applications | UOCB
02-2022
BigQuery Masterclass | Udemy
02-2022
Relational Database Support for Data Warehouses | UOCB
01-2022
Database Management Essentials | UOCB
11-2021
Data Warehouse Concepts Design & Data Integration | UOCB
11-2021
Data Analyst - Career Track | 365DataSciece
11-2021
Introduction to Data & Data Science | 365DataSciece
11-2021
SQL | 365DataSciece
11-2021
Introduction to Python | 365DataSciece
11-2021
Introduction to Excel | 365DataSciece
11-2021
Director
Ajooni Storage Systems
10.2013 - Current
Manager, Technology - Data Warehouse
Sapient Corporation (Client - RBS Global Banking & Markets)
03.2010 - 10.2013
Manager, Technology - Data Warehouse
Sapient Corporation (Client - E.ON Energy Trading)
09.2008 - 02.2010
“E-QIFTI” certified for Quality Assurance
03-2008
Cisco certified Security Champion for InfoSec Policy
05-2007
Senior Software Engineer -Data Warehouse Architect
Zensar Technologies (Client- Cisco Systems, Inc)
09.2006 - 07.2008
Software Engineer
i-Theeta Software Pvt. Ltd (OTIS Systems)
01.2005 - 09.2006
Master of Computer Application -
IIMT
07.2002 - 06.2005
Certificate in Computing -
Indira Gandhi National Open University
01.2001 - 06.2001
Software Developer
Analyze-it Technologies (Client - Airtel Ltd)
06.2000 - 09.2002
GNIIT in Systems Management -
NIIT
02.1999 - 01.2002
Bachelor of Commerce -
University of Delhi
04.1998 - 03.2001
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Awards
- Top 10% Most Viewed Resume from LinkedIn 2012
- “You Make a Difference” Award from Sapient, 2011
- Core Value Award for Client Focus Delivery, 2011
- Nomination for Core Value Award for Relationships, 2010
- Core Value Award for Client Focus Delivery, 2009
- “Spot Award” from Zensar Management for excellence., 2008
- Client Appreciation for Database Design and Documentation, 2007
Awards
- Top 10% Most Viewed Resume from LinkedIn, 2012
- “You Make a Difference” Award from Sapient, 2011
- Core Value Award for Client Focus Delivery, 2011
- Nomination for Core Value Award for Relationships, 2010
- Core Value Award for Client Focus Delivery, 2009
- “Spot Award” from Zensar Management for excellence., 2008
- Client Appreciation for Database Design and Documentation, 2007
- Rookie of the Year Award, 2001
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