ERP Consultant - Construction/Finance

Rainford Berry is recruiting an experienced ERP Consultant (qualified CIMA, ACCA, ACA) for a London-based, client-facing role supporting the implementation of specialist ERP and financial systems in the UK construction sector. This opportunity suits a finance professional who combines construction accounting expertise with hands-on systems implementation and consulting skills., To join an award winning, customer led, construction ERP solution that supports maximizing efficiency and delivers data to ensure successful decision making. You will be a key part of the delivery and implementation team, reporting to the Delivery Manager / Head of Implementation. You will configure and deliver finance solutions, guide clients through implementation and support effective adoption., * ERP configuration: Implement modules covering Accounts, Billing, AP/AR, Job Costing, Payroll, CIS and Project Accounting; configure workflows aligned with client structures, controls and project-based accounting practices.

• Finance design: Design charts of accounts, ledgers, WIP and retention accounting, project budgets and cost heads.
• Payroll and CIS: Configure weekly payroll cycles, CIS deductions and subcontractor schemes, ensuring accurate HMRC-compliant workflows and reporting.
• Data and testing: Migrate master and transactional data-including ledgers, vendor and subcontractor records, and payroll history-and validate balances, reconciliations, WIP, payroll accuracy and end-to-end system readiness.
• Training and deployment: Lead finance-user training on modules, reports and workflows; manage go-live, resolve issues and optimise processes after deployment to support adoption.
• Reporting: Build dashboards, financial reports, KPI tracking and period-end reconciliation processes, enabling automated reporting for finance leadership.

• Construction finance: At least five years’ UK construction finance or accounting experience, including payroll, with strong knowledge of project accounting, job costing, WIP, retention, invoicing, AP/AR and cash flow. Experience may come from contractors, house builders, infrastructure or engineering organisations.
• ERP implementation: Hands-on ERP or financial systems implementation experience is preferred, together with the ability to translate finance processes into effective system configurations.
• Payroll and CIS: Deep knowledge of CIS regulations, HMRC returns, subcontractor deductions and weekly payroll cycles.
• Data and reporting: Strong Excel and reconciliation skills, plus experience in MIS reporting, financial controls and audit support.
• Consulting: Confident leading workshops, training users and managing stakeholders, with strong communication and problem-solving skills.