Data Master Specialist

H Mart is seeking an experienced Master Data Specialist to drive data integrity, system optimization, and cross-functional accuracy across our retail ecosystem. In this role, you will independently manage mid-complexity master data operations—including new item creation, vendor onboarding, and wide-scale catalog updates within our ERP system. Acting as a subject matter expert, you will resolve data quality exceptions, lead cleanup initiatives end-to-end, and collaborate with Buying, Supply Chain, Accounting, and IT teams to ensure downstream data reliability.