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Engineer Data

Woonsocket, RI
April 15, 2020

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Helen Treasa


Professional Summary:

An overall experience of 5 years with DXC Technology formerly known as Hewlett Packard (HP) as an ETL Developer in Telecom IT Domain. Directly involved with User for analyzing and providing Business solutions. Strong believer in teamwork, building cordial relation with people inside and outside the organization, innovate solutions for difficult programming problems, quick -learner and problem analyst.

Previous organization details: DXC Technology, Bangalore (India) DXC Technology is a multinational technology corporation headquartered in Palo Alto California, united states. It provides hardware, software and services to consumers, small- and medium-sized businesses and large enterprises, including customers in the government, health and education sectors. Software Skills:

Area Products

Platforms Windows, Unix



Teradata, Oracle SQL,PL/SQL

ETL IBM InfoSphere DataStage, Powercenter Informatica Scheduling


Control-M, DataStage Scheduler



Tableau, Power BI

Scripting Macros, VB Scripting



BMC Remedy



Sqoop, Hive




Testing HP Alm

Contact details:



• Work experience

in Production


• Involved in developing

reports for clients

• Strong Analytical

Skills Data

Management skills

• Strong organizational skills

• Excellent communication

skills Team management

Capability Time

Management Capability

Ability to perform in


Work Experience

Organization : DXC.Technologies(Previously HPE) August 2013 – November 2018 Client : Telstra, Australia

Project : Enterprise Data warehouse RCRM Express January 2017 – November 2018 Role : Data Engineer


Created UNIX shell scripts to run the DataStage workflows and controlling the ETL flow.

Experience working on Teradata BTEQ scripts, Fast load and TPT Utilities.

Solid experience in writing SQL, stored procedures, proficient in SQL query performance tuning

Load data daily into daily history maintained Express tables

Develop ETL jobs to load the data from flat files to target tables.

Create mapping document for source to target load (ETL).

Ownership of data accuracy.

Tune up jobs in production, by analyzing the query performance via Teradata viewpoint as well as explain plan.

Provide intra-day transactional data based on need Automatically archive history data > retention period Minimize impact on existing User, Batch, DSF and ETL-Access Layer components.

Create FTP jobs in Unix to pull/push files between systems.

Setting up file watcher jobs to trigger the batch process on the arrival of the feed.

Schedule jobs based on criticality and consumption of resources.

Model and design the database objects in SQL Server.

Build scripts to move/purge file(s) from the system based on the business criteria.

Performance testing prior to production release.

Create automation tools (on excel based vba macros to generate DDLs from Production environment and add column(s), indexes and stats based on project requirements.

Support and monitor jobs in production to ensure the batch stream meets the SLA.

Create UNIX shell scripts to run the DataStage workflows and controlling the ETL flow.

Worked extensively in developing ETL program for supporting Data Extraction, transformations and loading using DataStage and Informatica.

Experience in transferring data between a Hadoop ecosystem and structured data storage in a RDBMS such as Exadata, Oracle and Teradata using Sqoop according to client’s requirement.

Creating tables in Hive QL to meet the analytical and reporting requirement. Project : Enterprise Data warehouse deliver feeds to Downstream December 2015 – December 2017 Role : ETL Test Engineer


Developed Test Plans, Test Cases, and Test Scripts for SIT and support for UAT tests Used DATASTAGE as an ETL Tool for Developing the Data Warehouse.

Managed and conducted System testing, Integration testing and Functional testing.

Used the Designer to develop processes for extracting, cleansing, transforming, integrating, and loading data into data warehouse database.

Extensively worked with DS (Designer, Director and Manager).

Used the DATA STAGE Director and its run-time engine to schedule the jobs, validating and debugging its components, and monitoring the resulting executable versions.

Tracked the defects using ALM tool and generated defect summary reports. Project : BIDW Non-Discretionary Program August 2013 – November 2015 Role : Product Support Engineer


EDW is a strategic reporting and analytical platform for systems managing customers, products and billing.

Debug a failure Fix Data quality issues Change ETL jobs for new requirements Optimize inefficient ETL jobs/queries Develop SQL queries for adhoc tasks/user requests Change management: Impact Analysis and review Develop file transfer scripts to send files to downstream on a scheduled basis Build a daily CTRL-M job to perform daily delta load at EOD Running the Jobs/Workflows for ETL process and prepared sql queries to verify the data.

Verifying the ETL data in target database.

Support and monitor jobs in production to ensure the batch stream meets the SLA.

Create incidents for job failure(s) based on criticality Education:

Master of Computer Science and Application

Christ University, Bangalore, India

Bachelor of Computer Science

Jyoti Nivas College, Bangalore, India

Volunteer Work:

04/01/2019 - current

Hold volunteer position with a non-profit Organization called "Salette Malayali Community" for communities data management / communication.

Help the community with all the communication details that must be sent across, which ensures everyone are well in advance aware of all events that takes place. Managed online website to announce regular events. REFERENCE:

Will be provided based on request.

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