Vendor Verification Data Specialist with French (f/m/x)
Job Description
Job Description:
Vendor Verification Data Specialist with French (f/m/x)
in Mars Global Services
Department: Commercial
Location: Poznan/ Warsaw
Hybrid working
12-month fixed-term contract
As a Vendor Verification Data Specialist, you will collaborate with suppliers and stakeholders, conducting verification calls in French and English to validate critical vendor information. In this role, you will help safeguard our business by supporting compliance processes, reducing fraud risks, and maintaining high-quality master data that enables smooth commercial operations. This is an excellent opportunity for someone who enjoys working in an international environment, building relationships, and delivering high-quality work with attention to detail.
What will be your key responsibilities?
- Conduct outbound verification (call-back) calls with suppliers in French and English.
- Verify and confirm critical vendor information, including: bank account details, tax identification numbers, company name and legal entity, business and correspondence addresses, contact details (email addresses and phone numbers), payment information and other key master data
- Validate supplier information against internal documentation and company procedures.
- Identify discrepancies and escalate potential fraud or suspicious requests.
- Update and maintain vendor master data in ERP systems.
- Ensure compliance with internal controls, data governance policies, and audit requirements.
- Collaborate with Procurement, Accounts Payable, Master Data, and Compliance teams to resolve data issues.
- Maintain accurate documentation of verification activities and communication with suppliers.
- Support continuous improvement initiatives related to vendor onboarding and master data quality.
What are we looking for?
- Fluent French (C1/C2) and English (B2/C1), both written and spoken, are required; Polish would be an advantage.
- Excellent communication skills.
- Strong attention to detail and analytical mindset.
- Ability to work with confidential information while maintaining a high level of integrity.
- Good organizational skills and the ability to manage multiple priorities.
- Previous experience in Vendor Master Data, Accounts Payable, Procurement, Customer Service, or a similar administrative role is an advantage.
- Experience with ERP systems (e.g., SAP, MDG, Oracle) is an asset.
What can you expect from Mars?
- Attractive financial conditions including Bonuses.
- We will also look after your safety and well-being by offering you rich benefits package including life insurance, Employee Assistance Program fully covered by Mars, and private medical care, MultiBenefit Program and lunch card.
- Extra savings scheme to support You in long perspective.
- Support in career building through personalized development plan.
- On-line shop with attractive discounts on our products that Your family and friend are going to love.
- Possibility to participate in volunteering initiatives during working hours.
Apply today!
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Working at Mars UK

Hybrid

Core hours 11–3
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