S2P Solution Architect

S2P Solution Architect - Contract - Outside IR35

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

Essential

• 7-10 years of experience in SAP S2P/Procurement/Finance solutions.
• Strong hands-on experience with:
• SAP S/4HANA
• SAP MM
• SAP Ariba
• SAP Concur
• VIM (OpenText or SAP VIM)
• Solid understanding of Source-to-Pay business processes.
• Experience designing complex integrations across SAP and SaaS platforms.
• Strong knowledge of financial postings, invoice processing, and controls.
• Excellent stakeholder engagement and communication skills.

Desirable

• Experience with SAP Central Finance impacts on S2P processes.
• Exposure to SAP BTP integration patterns.
• Experience in large enterprise or telecom environments.
• Working knowledge of Agile/SAFe delivery models.
• SAP certifications in MM, S/4HANA, Ariba, or Solution Architecture.

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