Senior Master Data Specialist

For an international retail organisation operating across multiple countries, we are looking for a Sr Master Data Specialist. The role focuses on ensuring high-quality, secure and complete Master Data. You will work independently, take full ownership of your domain, and provide guidance to teams and stakeholders.

location: POZNAŃ (100% remote or hybrid mode)

Responsibilities:

• Own end-to-end Finance Master Data activities (collection, validation, analysis, maintenance and change management) across a cross-border organisation.
• Ensure data quality, completeness and security across systems, tools and interfaces.
• Act as the senior escalation point for complex Master Data issues, including root-cause analysis, cleansing and implementation of permanent fixes.
• Design, improve and enforce workflows and controls: approvals, validation rules, roles/authorisations and exception handling.
• Partner with Finance and Procurement stakeholders to understand needs and translate them into data standards and practical solutions.
• Take ownership of key Finance Master Data objects (e.g., supplier data lifecycle, financial dimensions such as GL accounts and cost centres) and ensure they support end-to-end processes.
• Deliver data transformation activities: mapping, merging, standardisation, validation and reconciliation during changes, migrations or integrations.
• Build and maintain data transformations and reporting inputs using Excel/Power Query; support ad-hoc analyses using SQL when needed.
• Improve efficiency and transparency by adjusting or creating simple low-code solutions (Power Apps / Power Automate) and supporting ServiceNow-based operational processes.
• Support Master Data-related initiatives as a business analyst: gather requirements, prepare functional specs, support testing/UAT, documentation and user guidance.

Requirements:

Must-have

• Min. 4 years of experience in Master Data Management or related business area.
• Hands-on experience with Finance Master Data and strong understanding of how Master Data supports end-to-end processes.
• Proven experience as a business partner for Supplier Master Data, including the full data lifecycle.
• Solid knowledge of financial dimensions: GL accounts and cost centres.
• Experience designing/improving workflow and controls (approvals, validation, roles, exceptions).
• Practical Master Data work in an ERP environment and understanding of impact on Finance & Procurement.
• Strong experience in data transformation: mapping, merging, cleansing, validation and reconciliation.
• Ability to work independently with strong ownership mindset; confident in mentoring and supporting others.
• Fluent English (spoken and written) - min. B2/C1.
• Strong SQL and Excel.

Nice-to-have:

• Exposure to SAP / S/4HANA.
• Experience with Coupa or similar S2P tools.
• Familiary with Power Apps / Power Automate.

Offer

• Employment contract (12 months)
• Benefits package - private medical care & sport card
• Modern office space
• Remote or hybrid work model with occasional visits to the office in Poznań (2 days per month)
• Possibility to start quickly