Master Data Controller and Key User at Mars · Frechen

Master Data Controller and Key User
Location: GBR-Somerset-Castle Cary
Job Description:
Master DataController &Key User
📍UK-Castle Cary-Hybrid working
📍Europe (France, Germany, Netherlands, Belgium, Poland, Spain, Italy)
💷UK£39.500 -£ 49.500Dependent on experience
🎁+ Performance Bonus & Exceptional Benefits
🕒37.5 Hrs per week – Mon – Fri
📝FixedTerm Contract– 12 Months
Why Join Us?
We care about the world and your future. Mars offers competitive compensation and benefits along with some greatperks, like fun freebies and best-in-class development. As a Mars Associate, you have our ongoing commitment to your growth and development as you work across our world-famous brands. The world we want tomorrow starts with how we do business today, andwe'rehere to support you every step of theway.
The Role
Royal Caninis embarking on a major business transformation programme, introducingnew technology, standardised processes, enhanced data and analytics, and dedicated change management to support future growth.
As part of the first implementation wave in 2027, the European Key Accounts (EKA) team is seeking a Master Data Controller & ERP Key User to provide critical operational support during the transition.
This role combines responsibility formaintainingaccurateend-to-end master data across major European customers with acting as the key user for the Microsoft Dynamics Navision ERP system. Working with pan-European stakeholders in a fast-paced, entrepreneurial environment, you will support daily operations, drive system improvements, lead technical projects, and play a key role in ensuring business continuity throughout the transformation journey.
⭐What’sin it for you?
Career growth opportunitieswith structured development & Mars University
Private healthcare+ equal parental leave
Generous pension(up to 9% contribution)
Life assurance(4x salary)
Gym membership& wellbeing support
Annual leave startingat 24 days, rising to 32 with service
✅WhatWe’reLooking For
Experience in a Supply Chain, Logistics, Master Data, or Operations role, ideally within an FMCG environment.
Hands-on experience working with ERP systems, preferably as a Key User or Super User (Navision, SAP, Oracle, or similar).
Strong understanding of master data management, including product data, GTINs, GS1 standards, and data governance principles.
Knowledge of EDI processes and system integrations, with the ability to diagnose and resolve data and transaction issues.
Experience supporting system testing, upgrades, and User Acceptance Testing (UAT) activities.
Advanced Microsoft Excel skills, with strong analytical capabilities and excellent attention to detail.
Fluent English (written and verbal) is essential; French language skills would beadvantageous.
Key Responsibilities
Maintainaccurateand aligned masterdata across customer and internal systems, ensuring uninterrupted order processing and supply chain operations.
Collaborate with key European customersto manage product catalogues, pricing,logisticsparameters, 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 enhancementprojects whilerepresentingthe business within the European ERP Key User community.
What You Can Expect from Mars
Work alongside 130,000+ Associates worldwide guided by our Five Principles
Be part of a purpose-driven companyshaping “the world we want tomorrow”
Access world-classtraining & development from day one
Join a company withan industry-leading salary and benefits package
Additional Locations: DEU-Baveria-Buchloe, GBR-London-London, ITA-Milan-Milan, POL-Malopolskie-Niepolomice, NLD-North Brabant-Veghel, FRA-Nord-Les Rues des Vignes, DEU-North Rhine-Westphalia-Cologne, DEU-North Rhine-Westphalia-Frechen, DNK-Capital-Copenhagen, FRA-Gard-Aimargues, GBR-Leicestershire-Waltham, ESP-Barcelona-Barcelona, ESP-Madrid-Madrid