SAP S/4HANA Enterprise / Solution Architect

Squareone; Greater London; Hybrid; GBP 148,000 - 221,000; Full time

Job summary

Square One Resources Limited is seeking an experienced SAP S/4HANA Enterprise / Solution Architect for the design phase of a major ECC to S/4HANA transformation within a RISE with SAP environment, based in London with hybrid work. You will lead target architecture, transformation strategy and solution design, guiding data migration, integration and rollout across entities.

The role emphasizes architecture governance, SDT design, and side-by-side extensions, ensuring alignment with SAP Best

Qualifications

• Experience leading SAP S/4HANA migrations and architecture design.
• Ability to define target-state architecture and roadmap.
• Strong governance across technical and data streams.

Responsibilities

• Lead architecture workshops covering Finance, integration, data migration and technical design.
• Define the target-state architecture and transformation roadmap for the move from SAP ECC to S/4HANA.
• Shape the global template, deployment waves and rollout strategy across multiple entities and geographies.
• Assess the existing SAP landscape and establish the future-state solution architecture.
• Define architecture governance across functional, technical, integration, data and reporting workstreams.
• Oversee SDT design, migration tooling, trial migrations, reconciliation and cutover planning.
• Define SAP BTP and side-by-side extension strategies, aligned with Clean Core principles.
• Ensure the solution aligns with SAP Best Practices and the wider RISE with SAP transformation strategy.

Skills

SAP S/4HANA

Enterprise architecture

Solution architecture

Data migration

System integration

Global rollout

Governance

SDT/Bluefield

SAP BTP

Tools

SAP BTP

Job description

SAP S/4HANA Enterprise / Solution Architect
Location: London - Hybrid
Rate: DOE (Inside IR35)
Start Date: November
Contract: 5 Months

We are seeking an experienced SAP S/4HANA Enterprise / Solution Architect for the design phase of a major ECC to S/4HANA transformation within a RISE with SAP environment. The role will focus on target architecture, transformation strategy and solution design, using an SDT/Bluefield approach to support data migration, integration and global rollout across multiple entities. The position is primarily focused on architecture and solution design, with responsibility for providing technical direction and oversight throughout the transformation.

Key Responsibilities

• Lead architecture workshops covering Finance, integration, data migration and technical design.
• Define the target-state architecture and transformation roadmap for the move from SAP ECC to S/4HANA.
• Shape the global template, deployment waves and rollout strategy across multiple entities and geographies.
• Assess the existing SAP landscape and establish the future-state solution architecture.
• Define architecture governance across functional, technical, integration, data and reporting workstreams.
• Oversee SDT design, migration tooling, trial migrations, reconciliation and cutover planning.
• Define SAP BTP and side-by-side extension strategies, aligned with Clean Core principles.
• Ensure the solution aligns with SAP Best Practices and the wider RISE with SAP transformation strategy.

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