S/4 BTP Clean Core Architect

Welcome to Haleon. We're a purpose-driven, world-class consumer company putting everyday health in the hands of millions. In just three years since our launch, we've grown, evolved and are now entering an exciting new chapter – one filled with bold ambitions and enormous opportunity.

Our trusted portfolio of brands – including Sensodyne, Panadol, Advil, Voltaren, Theraflu, Otrivin, and Centrum – lead in resilient and growing categories. What sets us apart is our unique blend of deep human understanding and trusted science.

Now it's time to fully realise the full potential of our business and our people. We do this through our Win as One strategy. It puts our purpose – to deliver better everyday health with humanity – at the heart of everything we do. It unites us, inspires us, and challenges us to be better every day, driven by our agile, performance-focused culture.

About The Role
The Enterprise Transformation Programme is a multi-year journey focused on transforming the Haleon business and building an organisation that is Wired for Excellence, a key driver of our 'Win as One' strategy. The programme aims to strengthen our business core to drive sustainable growth, innovation, and continuous improvement, while embedding an agile and performance-focused culture. Enabled by SAP S/4HANA, this transformation will create a capability advantage, enhancing our performance, competitiveness, and adaptability in a rapidly changing environment.

Key Responsibilities
The BTP (Clean Core) Architect is a strategic technical leader responsible for designing and implementing robust, scalable, and sustainable clean core architectures primarily leveraging SAP Business Technology Platform (BTP) in conjunction with the current ECC and future S/4HANA systems. You will work closely with development teams, solution/enterprise architects, and business stakeholders to ensure both legacy custom code and new development are aligned with clean-core compliant patterns, ensuring minimal core modifications, clear separation of concerns, and future-proof extensibility with the goal of reducing technical debt, maximising agility, and safeguarding the integrity of the SAP digital core.

You will act as a subject matter expert (SME) guiding business stakeholders and development teams through all stages of clean core adoption: assessment, design, governance, implementation, and continuous improvement.

Strategic Architecture & Leadership:

• Design, own, and govern the target state clean core architecture across SAP S/4HANA and SAP BTP landscapes
• Produce architectural blueprints, strategy documents, and governance frameworks for managing and monitoring the clean core journey.
• Drive alignment with enterprise architecture strategy, ensuring standardisation, sustainability, and future-proof extensibility.
• Define and enforce extension strategy and governance frameworks to ensure long-term compliance with SAP's clean core principles.
• Advise on custom code remediation, migration, and clean core compliance strategies.

Quality & Delivery:

• Define standards, guidelines and best practices for SAP Clean Core development (e.g., reuse of APIs, consistent use of SAP Integration Suite, SAP Build, ABAP Cloud Development Model, Key User Extensibility) and ensure compliance across projects.
• Collaborate with development, integration, and infrastructure teams to implement clean core patterns (e.g., on-stack and side-by-side extensions, event-driven architecture, BTP extension frameworks).
• Support implementation projects ensuring technical excellence and alignment with clean core standards.
• Produce and deliver tailored materials, demonstrations, knowledge transfer sessions and proof-of-concepts that clearly articulate the value of SAP BTP and clean core principles.
• Act as the technical advisor and mentor for solution architects and developers on BTP architecture, integration patterns, extension strategies and clean-core compliance.
• Monitor and guide performance, security, scalability and operational readiness of the BTP extensions and integrations, ensuring production stability and sustainable operations.

Innovation & Governance:

• Lead architectural governance forums, ensure decisions are aligned with the enterprise architecture roadmap, and scrutinise deviations or risks related to custom code proliferation in core.
• Promote innovative use of emerging SAP BTP services, including AI powered capabilities in SAP Build, SAP Business Data Cloud, automation etc.
• Stay current with SAP roadmap i.e. SAP Cloud ERP (Public & Private), BTP services, RISE with SAP, SAP Cloud ALM, etc.) and promote their adoption in line with clean-core principles

Experience And Key Competencies

• Proven experience (10+ years) in SAP architecture roles, with significant exposure to SAP BTP (Integration Suite, SAP Build, SAP Fiori / SAPUI5, BTP ABAP) and SAP S/4HANA landscapes.
• Deep, hands-on experience in Clean Core implementation and governance.
• Demonstrated track record of migrating legacy custom code into modern extensible architectures (e.g., moving from ECC to S/4HANA to BTP extension models).
• Broad understanding and experience of BTP Extension and Automation services, using SAP Build (Process Automation, Workzone, CAP, RAP).
• Proven ability to deliver clean core–compliant extensions using side-by-side, developer and key user extension techniques.
• Expertise in SAP S/4HANA architecture, API-first integration, SAP Cloud SDK, SAP Integration Suite, Event Mesh, and DevOps for SAP BTP.
• Proven success designing and implementing Extension Strategy and Governance frameworks.
• Collaborative team player with the ability to engage confidently across technical and executive levels.
• Certification in SAP BTP (Integration Suite, Solution Architect etc.) and/or SAP S/4HANA architecture and TOGAF/SAP EAF highly desirable.

Job Posting End Date

Equal Opportunities
Haleon are committed to mobilising our purpose in a way that represents the diverse consumers and communities who rely on our brands every day. It guides us in creating an inclusive culture, where different backgrounds and views are valued and respected – all in support of understanding and best serving the needs of our consumers and unleashing the full potential of our people. It's important to us that Haleon is a place where all our employees feel they truly belong.

During the application process, we may ask you to share some personal information, which is entirely voluntary. This information ensures we meet certain regulatory and reporting obligations and supports the development, refinement, and execution of our inclusion and belonging programmes that are open to all Haleon employees.

The personal information you provide will be kept confidential, used only for legitimate business purposes, and will never be used in making any employment decisions, including hiring decisions.

Adjustment or Accommodations Request
If you require a reasonable adjustment or accommodation or other assistance to apply for a job at Haleon at any stage of the application process, please let your recruiter know by providing them with a description of specific adjustments you are requesting. We'll provide all reasonable adjustments to support you throughout the recruitment process and treat all information you provide us in confidence.

Note to candidates
The Haleon recruitment team will contact you using a Haleon email account ). If you are not sure whether the email you received is from Haleon, please get in touch.