Master Data Steward

CRH is a global leader in building materials solutions and Tarmac provides sustainable solutions for construction projects across the UK, supporting infrastructure development nationwide.

From providing raw materials to expert contracting services, we are the go-to supplier for any building and construction solutions.

At Tarmac, great decisions start with great data. We're looking for a detail-focused and proactive Master Data Steward to join our team and play a key role in maintaining the quality, accuracy, and integrity of the master data that supports our operations across the business.

From finance and procurement to reporting and compliance, master data sits at the heart of everything we do. In this role, you'll ensure critical data is created, maintained, and governed to the highest standards, enabling our teams to operate efficiently and make informed decisions with confidence.

If you enjoy working with data, solving problems, improving processes, and collaborating with stakeholders across a large organisation, we'd love to hear from you.

As our Master Data Steward, you'll be responsible for ensuring master data remains accurate, consistent, and compliant across key systems and business processes. You'll:

• Create, maintain, and update master data records across ERP and supporting systems
• Support governance, compliance, audit, and internal control activities
• Validate, review, and cleanse data to maintain exceptional quality standards
• Investigate and resolve data-related queries from across the business
• Monitor service performance against agreed SLAs and service expectations
• Produce reporting on data quality, duplicates, inactive records, and process performance
• Identify opportunities to standardise, automate, and improve data management processes
• Partner with Finance, Procurement, Shared Services, IT, and operational teams to ensure data remains accurate and fit for purpose

We're looking for someone who combines strong attention to detail with a passion for data quality and continuous improvement.

You'll ideally have:

• Experience creating and maintaining master data within ERP and related business systems
• A solid understanding of data governance, data quality, compliance, and internal controls
• Experience working within structured, SLA-driven environments
• Excellent analytical skills with the ability to identify trends, risks, and improvement opportunities
• Excellent stakeholder management and communication skills
• A proactive, organised approach with a commitment to accuracy
• The ability to manage multiple priorities while maintaining high standards
• A-levels, degree-level education, or equivalent relevant experience

At Tarmac, you'll be part of a business where accurate data drives operational excellence, financial control, and strategic decision-making. You'll have the opportunity to make a genuine impact, work with a wide range of stakeholders, and contribute to the continuous improvement of critical business processes.

Whether you're already working in Master Data, Data Governance, Shared Services, Finance Operations, or ERP Administration, this is a fantastic opportunity to develop your career within a leading organisation.

Applicants must have the right to work in the UK.

We offer an extensive range of career development opportunities and industry-leading rewards, incentives and benefits:

• Enhanced holiday entitlement
• Contributory pension scheme
• Access to the Tarmac Reward website with discounts on retailers, holidays, etc.
• Access to our Employee Assistance helpline for free and confidential advice
• Working Parents Training and development opportunities