Alan Hoang Email & Phone Number

Los Angeles, Ca, Us

Los Angeles Metropolitan Area

Multinational Chemicals / Materials Manufacturing Client• Led development, testing, and implementation of a Manufacturing Execution System (MES) for the initial site in a multimillion dollar global MES solution built with Parsec TrakSYS• Collaborated with sites during front end loading process to understand their process flows and define their requirements for an MES, coming from paper batch record systems• Developed MES functionality (C# & SQL), and built user interfaces (HTML & Javascript) on the TrakSYS platform• Created and maintained functional design specifications for MES features, as well as training documentation for users• Drafted and executed test cases for unit and integration testing of the MES solution• Coordinated with stakeholders overseeing various site computer systems, including DCS, ERP, and LIMS, ensuring seamless interfacing to streamline site processes.• Facilitated business integration testing and user acceptance testing with client, making sure that issues were quickly addressed and resolved by the appropriate party• Trained site superusers and operators on functionality and day-to-day operation of MES system• Headed MES Go Live process for site, ensuring that cutover activities were completed and provided onsite support for issues that arose while transitioning to a new system• Provided on-call support following Go Live, troubleshooting and resolving issues that were escalated from site personnel

Multinational Pharmaceutical Client• Programmed and developed processes for Manufacturing Execution System (MES) implemented using Siemens Simatic IT eBR (Opcenter) software to support production across all areas on site• Coordinated with production engineers, automation engineers, quality assurance, supply chain, and various other manufacturing groups to identify requirements and implement solutions to improve production processes• Developed code in MES using functions provided via Siemens platform, custom VB.NET scripts, and SQL queries• Configured MES software to communicate and coordinate operations alongside other computer systems used on site, such as the DCS (DeltaV), ERP (Oracle J.D. Edwards), LIMS (SQL*LIMS) and data historian (OSI PI)• Tested and reviewed code created by other developers to ensure proper functionality and adherence to programming standards and conventions• Provided live support and troubleshooting for issues encountered in production to keep manufacturing operations running • Led training sessions on MES operation and strategies for validation• Created and updated functional specifications and configuration specifications documents for MES • Drafted and executed IOQ protocols to validate MES, DCS, and PLC changes, ensuring compliance with GxP guidelines and FDA regulations

Atlanta

Alpharetta