S/4HANA – Coupa Integration Architect (Indirect Procurement)

Anticipated Contract End Date/Length: May 7, 2027
Work Set Up: Remote (flexibility required for ad hoc travel)
Clearance required: BPSS

Our client in the Information Technology and Services industry is looking for a highly experienced S/4HANA – Coupa Integration Architect to lead the design and delivery of complex global integrations across procurement and finance systems. This role will focus on enabling seamless integration between Coupa and SAP S/4HANA environments, supporting indirect procurement processes across large-scale, global organizations. The position requires a hands-on technical expert with strong stakeholder engagement capabilities, able to operate in fast-paced, outcome-driven environments.
What you will do:

- Lead the design and delivery of global integrations between Coupa and SAP S/4HANA from initial architecture through cutover and hypercare.

- Develop and manage APIs using REST, JSON, and OData, ensuring robust schema design, error handling, and performance optimization.

- Configure and support Coupa integrations including supplier onboarding, master data synchronization, approvals, tax, receiving, invoicing, and payment status updates.

- Design and implement SAP integration artefacts including IDocs, BAPIs, RFCs, and ALE interfaces.

- Collaborate with stakeholders across business and IT to translate complex integration requirements into scalable technical solutions.

- Integrate procurement and finance processes across SAP S/4HANA modules including Procurement, MM, and FI-AP.

- Utilize integration platforms such as SAP Integration Suite, MuleSoft, Dell Boomi, or Azure Integration Services to build and monitor integrations.

- Ensure integration security through implementation of OAuth2, mTLS, certificates, and key management practices.

- Monitor integration performance using observability tools and dashboards, implementing alerting and traceability mechanisms.

- Implement CI and CD pipelines for integration deployments using version control and automation tools.

- Manage dependencies, environments, and delivery timelines across multiple integration workstreams.

- Support testing activities including interface validation and test automation where applicable.

- Work effectively within Agile environments, collaborating with upstream and downstream systems such as MDG and ServiceNow.

- Proven experience delivering complex global integrations between Coupa and SAP S/4HANA within large organizations.

- Strong technical expertise in API engineering including REST, OData, OpenAPI or Swagger specifications, and Postman-based testing.

- Deep knowledge of SAP S/4HANA Procurement, MM, and FI-AP processes including vendors, purchase orders, goods receipts, invoices, and financial structures.

- Demonstrated experience with SAP integration artefacts including IDocs, BAPIs, RFCs, and ALE.

- Solid understanding of Coupa configuration in the context of integrations including master data, suppliers, and transactional flows.

- Experience working with integration middleware platforms such as SAP Integration Suite, MuleSoft, Dell Boomi, or Azure Integration Services.

- Strong knowledge of integration security protocols and data protection practices.

- Experience implementing monitoring, observability, and alerting solutions for integrations.

- Familiarity with CI and CD practices, version control, and automated deployment processes.

- Proven ability to manage large-scale integration delivery across multiple workstreams and environments.

- Strong stakeholder management and communication skills, with the ability to convey complex technical concepts to diverse audiences.

- Experience working in Agile environments with cross-functional teams and third-party providers.

- Self-motivated, resilient, and capable of managing competing priorities while meeting deadlines.

Candidates must be legally authorized to live and work in the country where the position is based, without requiring employer sponsorship.