European Master Data Controller & Navision ERP Key User

Mars France; Castle Cary; Hybrid; GBP 40,000 - 50,000; Full time

Benefits offered by this job

Private healthcare

Pension (up to 9%)

Life assurance (4x salary)

Gym membership

Wellbeing support

Annual leave starting at 24 days

Job summary

Mars is seeking a Master Data Controller & ERP Key User to support the European transformation journey. You will maintain end-to-end master data across major European customers and act as the Navision ERP Key User, supporting daily operations and system improvements.

The role requires experience with ERP systems, attention to data governance, EDI integrations, and strong Excel skills. Fluent English is essential, with French advantageous in a pan-European environment.

Qualifications

• Experience in Supply Chain, Logistics, Master Data, or Operations in FMCG.
• Hands-on experience with ERP systems as Key/Super User (Navision, SAP, Oracle).
• Knowledge of master data management including product data, GTINs, GS1 standards, and data governance principles.
• Experience with EDI processes and system integrations.
• Advanced Excel skills with strong analytical capabilities.
• Fluent English; French language skills would be advantageous.

Responsibilities

• Maintain accurate and aligned master data across customer and internal systems, ensuring uninterrupted order processing and supply chain operations.
• Collaborate with key European customers to manage product catalogues, pricing, logistics parameters, and promotional data.
• Lead master data activities for new product launches, product changes, and lifecycle management to ensure seamless market introduction.
• Act as the Navision ERP Key User, providing first-line support, troubleshooting system issues, and driving continuous system improvement.
• Manage EDI integrations and system interfaces, resolving data transmission issues and ensuring effective communication with customers and partners.
• Coordinate system testing, upgrades, and enhancement projects while representing the business within the European ERP Key User community.

Skills

Master Data Management

ERP Key User/Navision

Excel skills

Data governance

English fluent

Tools

Navision

SAP

Oracle

Job description

Mars is seeking a Master Data Controller & ERP Key User to support the European transformation journey. You will maintain end-to-end master data across major European customers and act as the Navision ERP Key User, supporting daily operations and system improvements.

The role requires experience with ERP systems, attention to data governance, EDI integrations, and strong Excel skills. Fluent English is essential, with French advantageous in a pan-European environment.