Integration Architect

We are seeking an experienced SAP Integration Architect to play a critical role in the Landmark Programme, a major transformation initiative to:

• Migrate from SAP ECC to SAP S/4HANA
• Decouple non‑finance capabilities from SAP
• Enable full decommissioning of SAP ECC before 2030

This programme addresses a highly complex legacy environment where SAP ECC has become tightly coupled with multiple business processes and systems, creating a bottleneck for change and innovation.

The Integration Architect will lead the design of a simplified, modular integration landscape that enables agility, reduces technical debt, and supports a modern, domain‑driven architecture.

Key Objectives of the Role

• Design and govern integration architecture across:
  • SAP S/4HANA (Finance core)
  • Domain‑driven business systems
• Enable the decoupling strategy by:
  • Removing non‑finance functionality from SAP
  • Redirecting data flows to domain platforms or integration layers
• Reduce complexity by transitioning from:
  • A highly coupled SAP‑centric architecture
  • To a modular, loosely coupled ecosystem
• Support delivery of:
  • Interface Specifications & build oversight

What You’ll Be Doing

• Define the target integration architecture aligned to S/4HANA as the finance system of record.
• Establish integration patterns (APIs, events, messaging) tailored to a decoupled landscape.
• Ensure adherence to programme guiding principles, including:
  • Standard first, exception by design.

Decoupling & Transformation

• Liaise with the other business transformation programmes that will need to act to create new integration designs for removing non‑finance capabilities from SAP ECC.
• Redesign outbound and inbound interfaces:
  • Repoint integrations to domain systems.
  • Reduce SAP’s role as a central data distribution hub.
• Support the move towards:
  • Domain ownership of data.
  • Increased pace of change across business areas.

Delivery & Governance

• Own or contribute to key artefacts:
  • Interface Specifications.
  • Non‑functional requirements (performance, scalability, resilience).
• Provide technical oversight of:
  • Integration build and test activities.

Collaboration & Stakeholders

• Work closely with:
  • Enterprise Architecture teams across M&S Digital and Tech.
  • Domain system teams (Supply Chain, Product, Pricing).
• Partner with system integrators and specialist vendors across the programme.

Candidate Profile

Experience

• SAP ECC and SAP S/4HANA.
• Demonstrated experience in large‑scale transformation programmes.
• Experience designing integration solutions in complex, highly integrated environments.

Technical Skills

• Deep understanding of:
  • Interface‑based integration (IDocs, services, batch, etc.).
  • Data flow and system decoupling strategies.
• Experience working with:
  • Multi‑system landscapes (ERP + domain systems).
  • Integration platforms and middleware.
• Proven ability to:
  • Simplify complex estates and reduce dependencies.
• Familiarity with:
  • Domain‑driven / service‑based architectures.

Soft Skills

• Strong stakeholder engagement and influencing skills.
• Ability to operate in multi‑vendor, matrix environments.
• Commercially aware, outcome‑driven decision making.

Why Join This Programme?

• Work on a business‑critical transformation with a clear deadline (ECC decommissioning before 2030).
• Help reshape a landscape currently constrained by:
  • High complexity.
  • Slow change cycles due to SAP dependency.
• Deliver tangible outcomes such as:
  • Reduced technical debt.
  • Faster business change.
  • Simplified architecture and improved performance.

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