S2P Solution Architect
Boss Professional Services · London, England ·
Outside IR35 - 4 days per week onsite (London based) The Role The S2P Solution Architect is responsible for end-to-end solution design and architecture across the Source-to-Pay (S2P) domain, ensuring seamless integration between SAP S/4HANA, SAP Ariba, Concur, VIM, and other procurement platforms.
The role ensures that S2P solutions are scalable, secure, compliant, and aligned to business, finance, and regulatory requirements, supporting transformation initiatives and business-as-usual operations. Responsibilities S2P Solution Architecture Own the end-to-end S2P solution architecture covering: Sourcing Contract management Procurement (P2P) Invoice processing Payments and reporting Design integrated solutions across SAP S/4HANA, SAP MM, Ariba, Concur, and VIM.
Define architecture patterns for procurement, invoice automation, and expense management. Ensure solutions align with BT enterprise architecture standards, security, and data governance. SAP & Platform Integration Design and govern integrations between: SAP S/4HANA (MM, FI) SAP Ariba (Buying & Invoicing, Sourcing, Contracts) SAP Concur (Travel & Expense) OpenText/SAP VIM (Vendor Invoice Management) Define master data, transactional data, and financial posting flows across platforms.
Ensure accurate and auditable 3-way matching, invoice posting, and expense accounting. Procurement & Finance Alignment Partner with Procurement, Finance, AP, and Tax teams to translate business needs into technical designs.
Ensure solutions support: Policy compliance Financial controls Audit and regulatory requirements (SOX, GDPR where applicable) Support design of approval workflows, tolerances, controls, and exception handling. Governance, Delivery & Stakeholder Management Act as the design authority for S2P solutions across programmes and releases.
Review and approve solution designs, functional specs, and integration documents. Collaborate with System Integrators, vendors, and internal delivery teams. Support architecture governance forums, risk reviews, and design sign-offs.
Provide oversight during build, test, cutover, and post-go-live phases. Required Experience 7-10 years of experience in SAP S2P/Procurement/Finance solutions. Knowledge & Skills Esse...
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