Unit 4 Consultant | Inside IR35 | London, hybrid | Day rate flexible DOE
Pigment is a change and transformation consultancy. We partner with other consultancies, government departments, and private sector organisations to deliver complex change programmes across the public sector.
We are seeking an experienced Unit4 Integration Consultant with strong, hands-on Accounts Payable (AP) experience to deliver an end-to-end finance systems integration involving Unit4 and Eye-share.
You will take ownership of the technical design, integration specifications, configuration, testing and controlled deployment of the solution. Working closely with finance stakeholders, technical teams and the client, you will ensure invoice processing, financial data and system integrations operate reliably across the connected platforms.
Key Responsibilities
Low-Level Design (LLD): Produce detailed technical designs covering field mappings, invoice processing workflows, validation rules, VAT treatment, cost codes, error handling and exception management.
Integration specifications: Write clear API and integration specifications defining how Eye-share communicates with Unit4, including data structures, field mappings, interfaces, message flows, error responses and retry mechanisms.
Unit4 configuration: Configure Unit4 within test environments, leveraging existing client configurations and components wherever appropriate.
End-to-end integration: Validate the complete invoice processing flow across all three systems, ensuring data integrity, accurate financial postings and reliable handling of exceptions.
System and integration testing: Develop and execute test scenarios covering successful processing, validation failures, rejected invoices, integration failures and recovery procedures.
User Acceptance Testing (UAT): Support finance users through UAT, investigate defects, coordinate fixes and ensure business requirements are met before release.
Release and change management: Prepare Change Advisory Board (CAB) documentation, implementation plans, deployment checklists, dependencies, risk assessments and rollback procedures.
Production deployment: Support a controlled go-live, ensu...
Unit 4 Consultant in East Kilbride employer: Pigment Consulting
At Pigment, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters collaboration and innovation. Our team members engage in high-impact defence capital projects across the UK, with opportunities for professional growth and development while making a meaningful contribution to national transformation programmes. With competitive daily rates and a commitment to employee well-being, Pigment is the ideal place for those looking to thrive in a supportive and challenging environment.
