Master Data Specialist

Publicis Re:Sources is at the core of Publicis Groupe, the world's largest communications company. We are the only full-service, end-to-end shared service organization in the industry, enabling Groupe agencies to do what they do best: innovate and transform for their clients.

Formed in 1998 as a small team to service a few Publicis Groupe firms, Publicis Re:Sources has grown to 6,000+ employees in over 55 countries. We provide technology solutions and business services, including finance, accounting, legal, benefits, procurement, tax, real estate, treasury and risk management, information security, and global mobility — supporting 110,000+ employees across the Publicis Groupe network. Our people are at the center of everything we do, bringing curiosity, collaboration, and a commitment to excellence to their work every day.

Learn more about Publicis Re:Sources and the Publicis Groupe agencies we support at publicisresources.com.

Overview

As a

Master Data Specialist, you will be responsible for maintaining accurate and up-to-date client and vendor master data for assigned markets. You will work closely with internal teams and agencies to ensure data quality, timely request processing, and compliance with local, global, and legal requirements.This role is ideal for a detail-oriented professional who combines strong analytical skills with a collaborative approach and is comfortable working with data, processes, and multiple stakeholders.

Responsibilities

• Manage day-to-day client and vendor master data activities.
• Process requests for new records and data modifications accurately and within agreed timelines.
• Verify data completeness and compliance with local and global standards.
• Investigate data inconsistencies, identify root causes, and support corrective actions.
• Cooperate with agencies and internal stakeholders to maintain high data quality.
• Build effective working relationships with SSC teams, media houses, advertising agencies, and internal customers.
• Collaborate closely with other SSC departments.
• Support continuous improvement initiatives and process optimisation.
• Maintain process documentation and update procedures following process changes.
• Prepare reports requested by agencies or team leaders, including KPI and activity reports.
• Support data maintenance across relevant financial systems in line with established procedures.
• Assist with internal and external audit requests by collecting documentation and providing required data.
• Deliver assigned tasks efficiently, accurately, and in accordance with agreed KPIs and deadlines.
• Support additional projects and tasks assigned by the Team Leader or Manager.
• Previous experience in master data, finance operations, shared services, administration, or a similar data-focused role.
• Good understanding of data management principles and the importance of data accuracy.
• Strong attention to detail and a structured, quality-focused approach.
• Ability to analyse data, identify inconsistencies, and resolve issues.
• Good organisational and time-management skills, with the ability to meet deadlines.
• Strong communication and stakeholder-management skills.
• Ability to work independently while contributing effectively to a team.
• Confidence working with Microsoft Office, particularly Excel.
• Experience with ERP or financial systems would be an advantage.
• Good command of English and Polish, both written and spoken.
• Willingness to learn, take ownership, and contribute to process improvements.
• Employment contract
• Modern office in a business district of Lublin
• Private medical care
• Cofinancing of the MultiSport card
• Cofinancing of leisure time
• Opportunity for professional development
• International cooperation
• Culture of dialogue and openness to initiative
• Friendly working atmosphere
• Work-life balance
• No dress code