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Master Data Specialist

October 30, 2019

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Raymond Dizon Esguerra

Yishun Singapore, Singapore

Cell: +65 86981969 Email:


Summary of Qualifications

10 years solid work experience in Data Quality and Master Data Management that involves data governance, data analysis and reporting using systems such as Microstrategy, Tableau, and Microsoft Excel.

5 years work experience in Supply Chain Management using SAP (MM and PP) performs creation, maintenance and accuracy of SAP Material Master set-up such as (BOM) Bill of Materials, Vendor Part Number, Production Version, Recipes, Material Assignment, Purchase Info Record and Source List for Finised Good, Semi-Finised Good and Components.

Successfully completed Udemy training course SAP Plant Maintenance and SAP Production Planning.

Subject matter expert in E2Open a Manufacturing Execution System (MES).

Supported several projects like Data Governance, SAP Plant to Plant transfer, MRP Project and other Marketing Events from Blue printing, User Acceptance Testing (UAT) up to Go Live.

Working knowledge in using Databases such as Microsoft SQL Server, Oracle 10g, iSQL Plus and Toad and other software application such as Opentxt

Knowledge in ITIL Framework

Professional Experience

Supply Chain Management Specialist II– (ERP) Master Data Feb 2019 – Current

Lonza Biologics Singapore Pte Ltd Tuas, SINGAPORE (SAP Material Master, Production Planing, (DMS) Document Management System)

Responsible for the creation, maintenance and accuracy of SAP (BOM) Bill of Materials, Vendor, Part Number, Recipes, Materials Assignment, Purchase Info record and Sourcing List for Traceable, Semi-Finished Goods and Finished-Goods.

Working closely with the planners, sourcing specialist and quality team in identifying the changes needed in SAP system for Material Resources Planning activities.

Master Data Steward – Supply Chain Management February 2014 – December 2018

Micron Semiconductor Singapore Pte Ltd Woodlands, SINGAPORE (SAP Production Planning)

Works with various departments to maintain accuracy of Master Data SAP PP (BOM,Routes, Work centers, Mapping, Production Version, Transportation Lane and Quota) for possible sites or plants to deliver the products/materials for Assembly, Test and Module.

Master Data plausibility and consistency checks and subsequent corrections on a daily/weekly/monthly basis in SAP core system as well as SAP APO.

Support daily business request from site, tactical, material and NPI planners, finished goods and engineers to ensure awareness of data quality standards and monitoring requirements in the SAP system.

Marketing Database Officer – Exhibition and Events June 2013 – December 2013

Informa Exhibition Singapore Pte Ltd Somerset, SINGAPORE ( Data Governance, Database)

Lead the Data management team in Singapore and Vietnam.

Resolving Service Desk tickets (Incident and Request management) regarding Database and Data issues.

Identify data anomalies (Data Governance). Provide Data analysis and develop reports based on the business requirements.

Data warehousing Analyst – Business Intelligence October 2012 – June 2013

Global Blue Singapore Pte Ltd Tanjong Pagar, SINGAPORE (Data Governance, Data warehouse, Business Intelligence and Database)

Data Capture/ Data Reporting /Daily Operations and Projects support

Using Microsoft SQL Server in managing Staging and Data Warehouse. Handling 3rd Level service desk support and communication to our clients concerning the status of Incidents.

Perform data extraction and reporting using Microstrategy and Microsoft Excel in generating routine and ad hoc reports.

Develop graphs, reports, and presentations of project results using Microsoft Excel (Pivot table, Vlook up, Macro and etc.)

Application Support Analyst – Document Management Jan 2009 – April 2012

Formely Logica Philippines Inc. now CGI Philippines Inc. Taguig, PHILIPPINES

(Opentxt, Software Support, Document Management and Database)

Perform Application Management and ITIL-based IT processes such as Incident Management, Change Request, Problem Management and etc.

Diagnose, administer, configure and maintain eDOCS, RM Administration & Workflow systems.

Administer application data daily, process queries and reports as requested by users and monitor server logs to ensure that all system transactions are processed correctly.


Bachelor in Cooperatives major in Business Management (2007)

Short Course: Oracle PL/SQL - Information Technology (2011)

Online training course:

SAP Plant Maintenance Training – Udemy (2018)

SAP – PP (Production Planning) – Udemy (2018)

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