Vendor Master Data Steward — Data Quality & Governance

Trinseo LLC; Dublin; On-site; EUR 65,000 - 95,000; Full time

Job summary

Trinseo LLC in Dublin, Ireland seeks a Vendor Data Steward to maintain integrity and governance of Global Vendor Master Data. You will manage create/change/block/delete requests and ensure compliance with data standards in collaboration with Procurement, Finance, and Operations.

Ideal candidates have 1–2 years in MDM/Data Governance with ERP experience (SAP, Oracle) and Power BI reporting skills. This role emphasizes data quality, continuous improvement, and stakeholder collaboration across

Qualifications

• 1–2 years’ experience in Master Data Management (MDM), Data Governance, Vendor Master Data, or related data management function.
• Proficiency in Microsoft Excel; experience with Power BI for reporting and data analysis is preferred.
• Proven experience maintaining and governing master data within ERP systems such as SAP ECC, SAP S/4HANA, Oracle, or similar platforms.
• Strong understanding of data quality principles, data standards, data stewardship, and data governance best practices.
• Excellent communication and stakeholder management skills.

Responsibilities

• Create, Change, Block, Unblock, Delete, and Review Vendor Master Data objects as required by approved Business personnel.
• Act as a steward and custodian of Vendor Master Data, ensuring compliance with global data governance policies, standards, controls, and business rules.
• Govern the quality, accuracy, consistency, and integrity of Vendor Master Data across all systems and processes, ensuring data remains fit for business use.
• Adhere to data quality standards and proactively identify, investigate, and resolve data issues and root causes.
• Support mass maintenance activities and data migration efforts during projects such as new plant/warehouse implementations, company code changes, acquisitions, and divestitures.
• Maintain and update process documentation, work instructions, data standards, and governance procedures in a timely manner.
• Execute data quality monitoring activities, identifying and correcting data errors, inconsistencies, duplicate records, and process weaknesses.
• Utilize Power BI and other reporting tools to analyse data quality trends, monitor KPIs, identify duplicates, and provide actionable insights to business stakeholders.
• Partner with business stakeholders to promote data governance best practices and drive accountability for data quality across the organization.
• Support audits, including SOX compliance activities, by providing accurate data, governance evidence, and supporting documentation.

Skills

Master Data Management

Data Governance

Vendor Master Data

Data analysis

Power BI

ERP systems (SAP)

Tools

SAP ECC

SAP S/4HANA

Oracle

Power BI

Job description

Trinseo LLC in Dublin, Ireland seeks a Vendor Data Steward to maintain integrity and governance of Global Vendor Master Data. You will manage create/change/block/delete requests and ensure compliance with data standards in collaboration with Procurement, Finance, and Operations.

Ideal candidates have 1–2 years in MDM/Data Governance with ERP experience (SAP, Oracle) and Power BI reporting skills. This role emphasizes data quality, continuous improvement, and stakeholder collaboration across