Bilawal Sarwar
Business Intelligence and Data Analytics Architect
Mobile: 00966-533581041
Email: bilawal.sarwar@gmail.com
Linkedin: pk.linkedin.com/in/bilawalsarwar/
Education
Qualifications
Languages
Bachelors in Information Technology - (BS-IT)
2007-2011
Major: Databases
Minor: Management
National University of Science and Technology (NUST) Islamabad Pakistan
English
Fluent
Urdu
Native
Professional experience
Profile
Experience in the field of Data warehousing and Big Data Technologies
(Expertise in Business Intelligence and Data Analytics)
Experience in Business Intelligence, Data wrangling and analytics with analysis,
design, testing, development and implementation of client/server applications.
Having extensive experience of Telco industry has given me exposure to handle
large data warehouses of 100+ TB. Handling of development and operational
challenges in a demanding situation are attributes of my current job. With my
professional attitude to work I am always exceeding management expectations.
Business and Technical Expertise:
 Expertise in data modelling, development and enhancements
 Expertise in implementing Data Governance and Data Quality solutions
 In-depth knowledge of data mapping, warehousing tools, and Master Data
Management and Data Mining
 Translating business requirements into technical solution concepts and
designs and provide technical governance and guidance throughout the
complete solution delivery lifecycle
 Expert experience in implementing end-to-end BI solutions
 Responsible for gathering requirements and designing data mart entities
and data warehouse
 Work on query tuning and optimizing database code and developing batch
processing jobs.
 Expertise in working with SQL queries and PL/SQL.
 Promote the use of Business Intelligence (BI) tools and concepts across the
organization
 Strong inputs into technical architecture and data warehouse BI strategy
design
 Meet business criteria and metrics for successful BI implementation
 Proven experience of managing IT projects with personal accountability for
delivering to time and cost
 Experience with running workshops and customized training courses for
Dimensional Data and BI
Tools and Technologies:
 IBM Cognos 10.2.2 Suite, OBIEE 12c, Tableau 2019.1.3, Power BI 2.88.x
 Pentaho 8.2, IBM DataStage 11.2,
 Languages: Python, SQL, DAX, MDX
 SQL Tools: Aginity workbench, TOAD 12.5, PL/SQL Developer 9.1, Aqua
Data Studio, IBM Data Architect, IBM infosphere
 Databases: IBM PureData System for Analytics,IBM NetezzaTwinFin,
Teradata,Impala, IBM DB2 9.7, Oracle 10g/11g/18c, Sybase IQ, Teradata
Bilawal Sarwar
- 1/7 -
Date: 22/03/22
Bilawal Sarwar
Business Intelligence and Data Analytics Architect
Certifications
2011/08
2011/03
2015/07
2015/07
2015/08
2015/10
2015/12
2015/12
2021/03
OCA (Oracle Certified Associate) 11g
Oracle Database 11g: SQL Expert Certification exam
Big Data Fundamentals (Big Data University)
Hadoop Fundamentals I (Big Data University)
Data Science Methodology (Big Data University)
Python Specialization (University of Michigan)
Business Intelligence Specialization (University of Colorado)
Big Data Specialization (University of California)
Python for Automation Specialization (Google)
Career
History
01/21–Current
Salam Mobile, Riyadh Saudi Arabia (0+ Y)
Data Engineering Manager
Environment:
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ETL Tool: Informatica
Reporting Tool: Power BI 2.88.x
Database: MS SQL Server , Vertica
Job Responsibilities:
 Data Pipeline Development
 Collaborate with source system data owners in
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interpretation and definitions of the data sources
Definition and implementation of batch and real-time
data pipelines for ingestion of source data into data
eco-systems
Operational management and oversight of pipelines to
ensure data flows are designed and rectification of
operational issues as they occur
Data Pipeline Development
 Collaborate with source system data owners in
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interpretation and definitions of the data sources
Definition and implementation of batch and real-time
data pipelines for ingestion of source data into data
eco-systems
Operational management and oversight of pipelines to
ensure data flows are designed and rectification of
operational issues as they occur
10/18–12/21
Huawei, Riyadh Saudi Arabia (3+ Y)
Reporting Analyst
Project: STC Telecom
Department: Corporate Customer Experience (CCEx)
Environment:
Bilawal Sarwar
- 2/7 -
Date: 22/03/22
Bilawal Sarwar
Business Intelligence and Data Analytics Architect
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ETL Tool: Pentaho 8
Reporting Tool: Tableau 10.5, MicroStrategy Dossier 11, Power
BI 2.88.x
Database: SAS, Sybase IQ, Impala, Oracle 18c, Teradata
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Job Responsibilities:
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Bilawal Sarwar
Gathering requirements for B2B, B2C and WBU reports
Designing and development of reports for Executives of STC
Designing and enhancement in Customer Experience Index
Analyzing B2C, B2B data to improve Customer Experience
Maintaining Data Quality and Accuracy of reports
Building new use cases and insights for SVP and CEO
Designing, building and publishing highly customized
interactive Tableau reports and dashboards.
Translation of business requirements and specifications into
Tableau reports and dashboards.
Generating ad-hoc Tableau reports based on user
requirements.
Generating Tableau Dashboards with filters, quick filters,
context filters, global filters, parameters and calculated fields
on Tableau reports.
Development of parameter and dimension-based reports, drilldown reports, matrix reports, charts, and Tabular reports
using Tableau Desktop.
Evaluation existing templates for improving visualization and
report viewing experience
Responsible for conducting prototypes, developing functional
specifications, data mapping, and function mapping.
Communicating with customers and cross department teams
to analyze historical data and identify KPIs.
Creation of new data marts and maintain integrity of historical
as well as new data.
Improving data processing speed by building ETL models and
SQL automations.
Development of advanced custom Pentaho Jobs and
Transformations to manage large volume of heterogeneous
sources.
Development of Complex Impala Oracle and Sybase IQ Data
automation in Python.
Creation and scheduling of new ETL batch jobs in Pentaho
with detailed logging.
12/14–09/18
IBM Global Business Services
(4+ Y)
Senior BI/ETL Architect
International Business Machines (IBM) is an American multinational
computer, technology and IT consulting corporation headquartered
in Armonk, New York, United States. IBM is the world's third largest
technology company and the second most valuable global brand
(after Coca-Cola). IBM is one of the few information technology
companies with a continuous history dating back to the 19th
century.
Projects:
1. Etisalat Telecom (EDWH) – UAE
2. Schellenberger - Qatar
3. HWSW Analytics – USA
4. Storage Dashboard - USA
- 3/7 -
Date: 22/03/22
Bilawal Sarwar
Business Intelligence and Data Analytics Architect
5. IBM Analytics – Europe
6. PTCL CRM Integration – Pakistan
06/15 –02/18
Etisalat Telecom Dubai
Project Description: Migration of Enterprise Data Warehouse from
Teradata to IBM. Creation of DMR (Cube Designer), RMR Models
and 30+ Dashboards on Cognos
Job Responsibilities: Worked as Senior BI Consultant
Following are the key tasks for which I am responsible:
 Creation of reports and dashboard using IBM Cognos Report
Studio
 Creation of Advance Active Reports using RAVE (Rapidly
Adaptive Visualization Engine) Visualizations
 Advance interactive DMR reports using mdx functions
 Enhanced already created Cube model and RMR model
 Cognos Cube Editor and FM administration
 Creation of RPD and Dashboards in OBIEE 12c
02/15 – 05/15
Storage Dashboard
Project Description: The Storage Dashboard will bring together
information on inventory, firmware, capacity, configuration,
outages, and best practices for storage environments managed by
GTS worldwide. It will report on the health of storage at the
Account, IMT, GEO, IOT and Global levels to measure and drive
business value for storage initiatives. The Dashboard will serve
as the foundation for analytics to improve the quality and efficiency
of GTS storage management.
Job Responsibilities: Worked as BI and ETL analyst
Following are the key tasks for which I am responsible:
IBM Cognos:
 Correspondence with Other Technical / Functional teams to
finalize business requirements.
 Creation of models, Project and Publishing Packages using
Cognos Framework Manager
 Creation of reports and dashboard using Cognos report studio
 Ad-hoc reporting for verification using Cognos query studio
 Analyse & translate functional specifications & change requests
into technical specifications.
 Develop, test & implement requirements logic.
IBM Datastage:
 Design and Development of ETL Jobs using DataStage
Designer.
 Creation of Dimensions and Facts as per business
requirements.
 Translate business requirements into end user Dimensions and
facts.
 Performance optimization and tuning of current and newly
created ETL Jobs.
 Writing PL/SQL scripts and stored procedures to handle newly
added functionalities in current jobs
 Schedule, Run, monitor and validate the jobs for performance
statistics using Datastage Director.
. 12/14 – 01/15PTCL CRM Phase 2 - Order Management Solution (Phase 2:
Wave 1)
Bilawal Sarwar
- 4/7 -
Date: 22/03/22
Bilawal Sarwar
Business Intelligence and Data Analytics Architect
Project Description: Implementation of SIEBEL CRM in PTCL to
manage complaints and Orders.
Job Responsibilities: Working as reporting analyst
Following are the key tasks for which I am responsible:
 Correspondence with Client Technical / Functional Team
 Development of reports and dashboards in Oracle BI Publisher
 Development of ETL to base reports on Data Marts instead of
direct query to Siebel Source System.
 Performance optimization of ETL scripts and of Reports
 Oracle BIP user management and permission rights according
to the given hierarchy
12/13 – 12/14 Warid Telecom Pakistan
(1+ Y)
Executive BI and Reporting
Warid Telecom offers state-of-the-art telecommunication services at
over 7,000 destinations in Pakistan. Warid Telecom prides itself in
being contemporary, approachable and constantly innovating. With
achievements ranging from having one of the largest postpaid
bases, most loved youth & prepaid brands, international roaming
and nationwide coverage.
Environment:
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ETL Tool: IBM DataStage 8.7
Reporting Tools: IBM Cognos 10.2, Oracle Discoverer 10.1
Database: IBM NetezzaTwinFin, Striper, Oracle 10g,11g
Job Responsibilities:
IBM Cognos:
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Creation of models, Project and Publishing Packages using
Framework Manager
 Implementation of best practice in Framework Manager Models.
 Building data source query subjects and using stored
procedures to create query subjects that are used to build
reports for specific users.
 Creation of Complex Multi-Object Reports using List, Crosstabs,
Images using Report Studio.
 Involved in creation of Prompts and Cascading Prompts pages
and also applied Conditional Formatting for reports in Report
Studio.
 Designing and building new ad-hoc reports using Query studio.
 Creating reports that allow users for dynamic column selection
which is compared with different measures
 Worked with Analysis Studio to develop multi-dimensional
reporting
 Developed Dashboard reports in Report Studio using MDX
Functions.
 Java Script for complex validation, navigation, communication
and format customization.
 Analyze the business process and design the system to meet
requirement as defined by user.
ETL:
 Develop, test and maintain ETL procedures employing both ETL
tools and custom PL/SQL
 Extensively used PL/SQL to embed complex business logic in
stored procedures. Performed unit testing, point-to-point testing
and integration testing to confirm ETL code integrity.
 Work on query tuning and optimizing database code and
developing batch processing jobs.
Bilawal Sarwar
- 5/7 -
Date: 22/03/22
Bilawal Sarwar
Business Intelligence and Data Analytics Architect
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Used shell scripts for scheduling legacy system data and other
source data
01/12 – 11/13 Zong Telcom Pakistan (Pvt.) Ltd.
(2 Y)
Senior Officer BI /DWH
ZonG Telecom is a 100% subsidiary of China Mobile. China Mobile
is the world's largest telecom operator, having a customer base of
over 300 million customers. ZonG’s edge comes from the
experience and expertise of running the world's largest telecom
service and the commitment they make to setting quality and
customer relations standards. ZonG is geared to offer neatly
packaged VAS products that will benefit the individuals, corporates
as well as small businesses.
Environment:
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ETL Tool: IBM DataStage 7.5
Reporting Tool: IBM Cognos 10.1, Business Objects XI R2,3.1
Database: Oracle 10g
Job Responsibilities:
 Involved in Requirement gathering from Business Users.
 Responsible for development of post-Batch Jobs and BI
(PL/SQL)
 Analyzed the specifications provided by the clients and
Developing specification documents for reports as per client
requirements.
 Involved in installation of Cognos 10.1 suite of tools and
configuring LDAP for the secured authentication
 Designed and Developed the Framework Manager models and
Published into server.
 Involved in preparation of Design Documents.
 Created Business Objects Reports and maintained existing
Universes for different departments.
 Exported the Universes to the Repository to make resources
available to the users.
 Participated in the defining technical standards and guidelines
that pertain to data and information use, security, access and
governance
 Worked with project lead and business users to gather
requirements, conduct analysis and prioritize requests
 Translated project requirements into functional and nonfunctional specifications for BI reports and applications
 Responsible for Ad-hoc data requirement, analysis and
development
 Responsible for training end users and new vendors
Other relevant information
Academic Projects
 Design and development of City lab Data warehouse and
using data mining algorithms to see trends using MS SQL
Server 2008
 Online book store using Oracle form builder 11g
 Implementation of B+ tree algorithm
Honours
Head Android society at SEECS-NUST, Pakistan
Head of national E-Gaming Tournament held at NUST, Pakistan
2 Year free education Scholarship for intermediate (F.sc.) in
Punjab group of Colleges, Pakistan
Best student of the year 2007
Bilawal Sarwar
- 6/7 -
Date: 22/03/22
Bilawal Sarwar
Business Intelligence and Data Analytics Architect
Bilawal Sarwar
- 7/7 -
Date: 22/03/22