SAP S/S4HANA Coupa Integration Architect

Whitehall Resources are currently looking for a SAP S/4HANA Coupa Integration Architect Full time remote for an initial 12-month contract.

*INSIDE IR35*

Job Spec:

Main responsibilities:

• Proven experience delivering global integrations between Coupa and SAP S/4HANA for complex organisations, from design through cutover and Hypercare.
• Hands‑on proficiency building and managing APIs (REST/JSON, OData), IDocs, and BAPIs, including schema design, error handling, and performance tuning.
• Strong knowledge of Coupa configuration in the context of integration (supplier and ERP integrations, master data sync, COA/segments, approvals, tax, receiving, invoicing, and payment status updates).
• Strong knowledge of SAP S/4HANA Procurement/MM and FI-AP objects and processes (vendors/business partners, purchasing orgs, POs, service entry sheets, GRs, invoices, GL/CC/WBS, tax determination).
• Experience with integration middleware or platforms (e.g., SAP Integration Suite/CPI, MuleSoft, Dell Boomi, Azure Integration Services), including security, monitoring, and CI/CD.
• Excellent stakeholder management and communication skills with Business and IT; ability to articulate complex integration concepts to cross‑functional audiences.
• Comfortable with ambiguity; agile and outcomes‑focused mindset; experience working with upstream/downstream products (e.g., MDG, ServiceNow) and third‑party providers.
• Familiarity with project tools and ALM (e.g., JIRA, Azure DevOps, Smartsheet, SolMan) and with test automation for interfaces. Understanding of both Indirect and Direct Procurement process flows and data impacts across P2P and AP.

Required Skills/Qualifications:

• Self‑motivated, able to prioritise and meet challenging deadlines; credible, resilient, and comfortable challenging the status quo to drive the best integration outcomes.
• API Engineering (REST/OData), specification using OpenAPI/Swagger, Postman‑based testing.
• SAP integration artefacts (IDoc types for vendor, PO, GR, invoice; BAPI/RFC; ALE; OData services).
• Security (OAuth2, mTLS, certificates, key management), and data protection.
• Monitoring/Observability (CPI/MuleSoft dashboards, Splunk/App Insights, alerting, trace correlation).
• CI/CD for integrations (Git, branching/versioning, automated deployment).
• Delivery: Able to plan and manage large integration work efforts, dependencies, and environment strategy across multiple waves.

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