Job Description:
Master Data Controller & Key User
📍 UK - Castle Cary - Hybrid working
📍 Europe (France, Germany, Netherlands, Belgium, Poland, Spain, Italy)
💷 UK £ 39.500 - £ 49.500 Dependent on experience
🎁 + Performance Bonus & Exceptional Benefits
🕒 37.5 Hrs per week – Mon – Fri
📝 Fixed Term Contract – 12 Months
Why Join Us?
We care about the world and your future. Mars offers competitive compensation and benefits along with some great perks, 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, and we're here to support you every step of the way.
The Role
Royal Canin is embarking on a major business transformation programme, introducing new 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 for maintaining accurate end-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’s in it for you?
Career growth opportunities with 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 starting at 24 days, rising to 32 with service
✅ What We’re Looking 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 be advantageous.
Key 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.
What You Can Expect from Mars
Work alongside 130,000+ Associates worldwide guided by our Five Principles
Be part of a purpose-driven company shaping “the world we want tomorrow”
Access world-class training & development from day one
Join a company with an industry-leading salary and benefits package
Skills Required
- Experience in supply chain, logistics, master data, or operations, ideally in an FMCG environment
- Hands-on experience with ERP systems such as Navision, SAP, Oracle, or similar, preferably as a key user or super user
- Strong understanding of master data management, product data, GTINs, GS1 standards, and data governance principles
- Knowledge of EDI processes and system integrations, including diagnosing and resolving data and transaction issues
- Experience supporting system testing, upgrades, and User Acceptance Testing activities
- Advanced Microsoft Excel skills and strong analytical capabilities
- Excellent attention to detail
- Fluent English written and verbal communication
- French language skills
Mars Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Mars and has not been reviewed or approved by Mars.
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Healthcare Strength — The benefits package is positioned as comprehensive, with broad medical coverage and additional protections like life insurance and short- and long-term disability. Mental health support is emphasized, including free mental health services and wellbeing programming under initiatives such as Mars Be Well.
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Parental & Family Support — Paid parental leave is highlighted as market-leading in the U.S., with an example of 18 weeks fully paid for both parents. Additional family-related leave types such as sick time for caregiving and bereavement leave are also described as part of the overall package.
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Retirement Support — Retirement offerings are described as strong, including 401(k) matching (with a 6% match cited) and pension plans in some cases. The broader package also references retirement savings options and contributions aligned to local market practice, supporting long-term financial security.
Mars Insights
What We Do
For more than a century, Mars, Incorporated has been driven by the belief that the world we want tomorrow starts with how we do business today. This idea is at the center of who we have always been as a global, family-owned business. Today, Mars is transforming, innovating and evolving in ways that affirm our commitment to making a positive impact on the world around us. Across our diverse and expanding portfolio of confectionery, food, and petcare products and services, we employ 133,000 dedicated Associates who are all moving in the same direction: forward. With $40 billion in annual sales, we produce some of the world’s best-loved brands including DOVE®, EXTRA®, M&M’s®, MILKY WAY®, SNICKERS®, TWIX®, ORBIT®, PEDIGREE®, ROYAL CANIN®, SKITTLES®, WHISKAS®, COCOAVIA®, and 5™; and take care of half of the world’s pets through our pet health services AniCura, Banfield Pet Hospitals™, BluePearl®, Linnaeus, Pet Partners™, and VCA™. We know we can only be truly successful if our partners and the communities in which we operate prosper as well. The Mars Five Principles – Quality, Responsibility, Mutuality, Efficiency and Freedom – inspire our Associates to take action every day to help create a world tomorrow in which the planet, its people and pets can thrive.
