Job Description

Solution Architect - SAP S/4HANA Public Cloud
Rate: 700/day (Inside IR35)
Contract: 12 months
Location: Hybrid - 2-3 days per week onsite in Enfield
Start: September 2025
Salt is recruiting on behalf of a London Local Authority that is embarking on a major SAP transformation programme, replacing a 25-year-old ECC system with SAP S/4HANA Public Cloud and SuccessFactors.
As Solution Architect, you will provide architectural leadership across Finance, HR, Payroll, and Procurement workstreams, ensuring the design and integration of a stable, scalable, and compliant solution that meets the needs of a complex public sector organisation.
Key Responsibilities

• Lead the end-to-end solution architecture for SAP S/4HANA and SuccessFactors.
• Define and document the target architecture, covering integrations, security, and data migration strategy.
• Translate business and functional requirements into scalable SaaS designs.
• Oversee integration with legacy and third-party systems, ensuring performance and data integrity.
• Provide technical guidance through design, build, testing (SIT, UAT, Payroll Parallel Run), and cutover.
• Govern configuration workbooks, change control, and design decisions.
• Support role-based access control, GDPR compliance, and segregation of duties across Finance and HR.
• Collaborate with Absoft (implementation partner) and council stakeholders to ensure alignment with SAP best practice.

Essential Experience

• Background as a SAP Solution Architect on S/4HANA and SuccessFactors programmes.
• Understanding of Finance, HR, Payroll, and Procurement (P2P) business processes.
• Knowledge of SAP Public Cloud and SaaS architecture.
• Experience defining data migration and integration strategies.
• Familiarity with SAP Activate methodology and agile delivery.
• Experience working in public sector or other regulated environments.

Desirable

• Experience delivering SAP S/4HANA Public Cloud or hybrid deployments in the UK public sector.
• Knowledge of local government Finance, HR, and Payroll processes, including schools' payroll and grant accounting.
• Exposure to SuccessFactors and Payroll parallel run validation.
• Familiarity with SAP BTP, SAP Integration Suite, and Identity Access Management.
• Awareness of PSN, data protection, and information governance requirements in public sector environments.
• SAP certifications in relevant solution or integration areas (S/4HANA, Cloud, or BTP).

Why Apply
This is a major digital transformation programme with high visibility across the council, giving you the opportunity to shape an end-to-end SAP Public Cloud landscape from day one.
*Rates depend on experience and client requirements

Skills Required