Finance Transformation -Transactional Services - SAP S/4HANA

An exciting opportunity has arisen for an experienced Finance Transformation Subject Matter Expert (Transactional Services) to join a major finance transformation programme focused on the implementation of SAP S/4HANA.

Working within the Transactional Services workstream, you will play a key role in helping redesign and improve core finance processes across Order to Cash (O2C), Accounts Payable (AP), billing and credit control.

You will act as the link between finance teams, IT specialists and SAP implementation partners, ensuring business requirements are understood, translated into effective system solutions and embedded successfully across the organisation.

Key Responsibilities

• Act as the subject matter expert for Order to Cash and Accounts Payable processes throughout the SAP S/4HANA transformation programme.
• Partner with finance stakeholders, IT teams and SAP consultants to understand current processes and design future solutions.
• Provide expertise across billing, collections, credit control, accounts payable and transactional finance operations.
• Translate finance requirements into functional specifications for SAP S/4HANA.
• Support the design, testing and implementation of new finance processes.
• Lead and support testing activities, including System Integration Testing (SIT) and User Acceptance Testing (UAT).
• Support data migration activities including cleansing, mapping and validation.
• Identify opportunities to improve efficiency, controls and ways of working across transactional finance.
• Support change management, training and user adoption activities.
• Assist with go-live preparation, cutover planning and post-implementation improvements.
• Work closely with solution architects and developers to ensure solutions are scalable and aligned with business needs.

You will ideally have:

• Experience working with SAP, ideally within finance modules.
• Strong understanding of end-to-end Order to Cash, Accounts Payable, billing or credit control processes.
• Experience improving finance processes or supporting transformation projects.
• Ability to work with both finance stakeholders and technical teams.
• Strong communication, influencing and stakeholder management skills.
• Excellent analytical and problem-solving abilities.
• Experience with SAP implementation or ERP transformation projects would be advantageous.
• A professional qualification (ACA, ACCA, CIMA or equivalent experience) is desirable but not essential.