S2P Solution Architect

Vallum; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Vallum is seeking an experienced SAP S2P Solution Architect to lead end-to-end solution architecture across the Source-to-Pay domain for a major enterprise transformation. You will own S2P architecture across sourcing, procurement, contracts, invoicing, payments and reporting, and govern integrations with SAP and third-party systems.

You will partner with Procurement, Finance, AP, Tax and IT to design scalable, secure procurement and finance solutions, acting as the architecture authority and

Qualifications

• 7-10+ years of experience in SAP S2P, Procurement or Finance solutions.
• Strong hands-on experience with SAP S/4HANA, SAP MM, Ariba, Concur and VIM.
• Strong understanding of Source-to-Pay processes, invoice processing, financial postings and integrations.
• Experience architecting complex SAP and SaaS integrations.
• Excellent stakeholder management and communication skills.

Responsibilities

• Own end-to-end S2P architecture across Sourcing, Procurement, Contracts, Invoicing, Payments and Reporting.
• Design and govern integrations across SAP S/4HANA, SAP MM, SAP Ariba, SAP Concur and VIM/OpenText.
• Define scalable, secure and compliant procurement and finance solutions.
• Partner with Procurement, Finance, AP, Tax and IT stakeholders.
• Act as the architecture/design authority, providing governance across delivery, testing and go-live.
• Ensure solutions meet financial controls, audit, security and regulatory requirements.

Skills

S2P architecture

SAP S/4HANA

SAP MM

Ariba

Concur

VIM/OpenText

Stakeholder management

Communication

Tools

SAP S/4HANA

SAP MM

Ariba

Concur

VIM/OpenText

Job description

We are looking for an experienced S2P Solution Architect to lead end-to-end solution architecture across the Source-to-Pay (S2P) domain, supporting a major enterprise transformation.

Key Responsibilities:

• Own end-to-end S2P architecture across Sourcing, Procurement, Contracts, Invoicing, Payments and Reporting.

• Design and govern integrations across SAP S/4HANA, SAP MM, SAP Ariba, SAP Concur and VIM/OpenText.

• Define scalable, secure and compliant procurement and finance solutions.

• Partner with Procurement, Finance, AP, Tax and IT stakeholders.

• Act as the architecture/design authority, providing governance across delivery, testing and go-live.

• Ensure solutions meet financial controls, audit, security and regulatory requirements.

Key Requirements:

• 7-10+ years of experience in SAP S2P, Procurement or Finance solutions.

• Strong hands‑on experience with SAP S/4HANA, SAP MM, Ariba, Concur and VIM.

• Strong understanding of Source‑to‑Pay processes, invoice processing, financial postings and integrations.

• Experience architecting complex SAP and SaaS integrations.

• Excellent stakeholder management and communication skills.

Desirable:

SAP BTP, Central Finance, large enterprise/telecom experience, Agile/SAFe and relevant SAP certifications.