Senior ERP Specialist at Pigeon Industry (Thailand) Co., Ltd. (2021-01 – 2024-12)
Manufacturer of Breast Pad, Baby Wipe, Toiletry & Skincare products
- Delivered daily ERP & MES production support for over 100 users, reducing recurring incidents by 50% through root cause analysis and process improvement initiatives.
- Utilized SQL queries to investigate data issues, validate transactions, troubleshoot system incidents, and support interface testing between D365 Business Central, MES, and reporting databases.
- Led post go-live stabilization, enhancement, and functional support activities for Microsoft Dynamics 365 Business Central across Finance, Sales, Purchasing, Production Planning, Inventory, Warehouse and QA/QC operations.
- Monitored and troubleshot integration data flows between business applications, ensuring data accuracy, consistency, and timely issue resolution.
- Supported data migration activities by preparing, validating, and reconciling master data upload templates including Item, Vendor, and Customer Master records.
- Collaborated with business users, cross-functional stakeholders, and vendors to perform impact analysis, coordinate User Acceptance Testing (UAT), and support change request implementation.
- Managed user access rights and authorization controls, ensuring compliance with segregation of duties (SoD) requirements and internal control policies.
- Supported IT governance, audit, and compliance activities including IT General Controls (ITGC) and SOX requirements.
- Managed IT software budgets, including license renewals, vendor contracts, and cost optimization initiatives.
Assistant IT Manager at INOAC (Thailand) Co., Ltd. (2019-03 – 2019-07)
A comprehensive manufacturer of polyurethane, rubber, plastics
- Provided critical production support for Infor SyteLine ERP, specializing in issue analysis, incident troubleshooting, and system performance monitoring.
- Analyzed daily operational bottlenecks, working closely with key users to define system improvement specs and coordinating with external consultants for rapid incident resolution.
- Managed day-to-day IT operations, infrastructure availability, and data backup verification to guarantee business continuity.
Assistant IT Manager at Synergetic Auto Performance PCL (2017-09 – 2019-03)
Provides car rental services in Thailand.
- Supported the implementation, enhancement, and daily operations of CarPro and SAP Business One, with a primary focus on Finance & Accounting (GL, AR, AP), Inventory, and Purchasing processes.
- Provided functional support and daily operational assistance for SAP Business One users across Finance, Purchasing, and Inventory functions.
- Supported ERP implementation and data migration activities by preparing and validating data upload templates for Opening Balance data including AP, AP Credit Notes, AR, Purchase Orders, Inventory, Fixed Assets, and General Ledger (GL) balances.
- Prepared and validated master data upload templates including Item Master, Vendor Master, and Customer Master data to ensure data accuracy and consistency.
- Validated transactional data and supported month-end accounting operations within SAP Business One.
- Investigated and resolved ERP operational and data-related issues reported by end users to ensure business continuity.
- Managed IT incident control through ticketing systems by coordinating with users and vendors, monitoring SLA performance, and ensuring timely issue resolution.
- Executed SQL queries to support data validation, troubleshooting, and interface testing activities between systems.
- Developed and customized Crystal Reports to support accounting and operational reporting requirements.
- Coordinated with consultants and developers to manage ERP change requests, ensuring timely delivery and alignment with user requirements.
- Conducted end-user training and provided post go-live support to ensure effective ERP adoption and operational efficiency.
IT Staff at Nisshinbo Mechatronics (Thailand) Co., Ltd. (2008-04 – 2016-05)
Injection mold maker and manufacturer of injection molding products
- Provided daily production support and troubleshooting for Baan/LN Infor ERP across Finance, Sales, Procurement, Inventory, and Production modules.
- Executed and monitored weekly MRP (Material Requirements Planning) runs to support production planning, material availability, and inventory management.
- Investigated system issues, performed root cause analysis, and validated customized application programs before production deployment.
- Collaborated with business users and external consultants to gather requirements, support ERP enhancements, and validate functional solutions.
- Maintained core IT infrastructure, including servers, Active Directory, network services, firewalls, and backup operations to ensure system availability and business continuity.
- Developed and maintained operational and management reports using Crystal Reports and SQL databases to support business decision-making.
- Delivered end-user training and developed user manuals to improve ERP adoption and reduce recurring operational issues.
- Prepared technical documentation and supported ISO 9001 and ISO 14001 audit activities.
Programmer at Summit Electronic Components (2005-06 – 2008-04)
Electronic Manufacturing Services (EMS)
- Developed and maintained in-house ERP applications using VB6 and VB.NET to support business operations and process improvements.
- Designed and customized Crystal Reports based on operational and management reporting requirements.
- Utilized SQL queries for data extraction, validation, troubleshooting, and reporting support.
- Performed database administration activities, including backup and restoration, to ensure data integrity and system reliability.
