S/4 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 S/4 Architect is a senior Architecture role within Digital & Technology (D&T), accountable for shaping and governing the target architecture of Haleon's SAP S/4 landscape and ensuring the platform delivers maximum business value, simplicity, scalability and operational excellence.

This is a highly visible and key central role in a significant global S/4 implementation.

For an Architect with deep expertise in SAP S/4 and modern SAP technologies, this role bridges enterprise technology and critical business objectives to define, govern and evolve Haleon's next-generation ERP platform.

Haleon will adopt SAP S/4 Private Cloud Edition including Business Data Cloud, Joule AI and supporting SAP and non-SAP cloud technologies. This role will own the architecture vision and target state for the S/4 implementation, ensuring technical designs maximise standard capability, minimise complexity, accelerate value delivery and establish a scalable foundation for future innovation.

The S/4 Architect operates proactively and holistically, guiding enterprise leaders, product managers, product owners and delivery teams through platform design, optimisation, capability expansion and business process transformation. Working closely with Transformation Architecture, Domain Architects and specialist architects across Integration, Security, Data and Analytics, the role drives a coherent ERP architecture anchored on standard SAP capabilities, end-to-end business processes and enterprise outcomes.

You will join a highly capable world-class team under strong and clear leadership and leverage your direct and partner team resources to deliver transformational business outcomes.

You will be shaping and governing the architecture for Haleon's SAP S/4 platform, ensuring that business capabilities, processes, data and technology are delivered through a scalable, integrated and strategically aligned S/4 architectural backbone.

Key Accountabilities

• SAP S/4 architecture strategy and target-state ownership.

• Translation of business strategy into SAP-enabled capabilities, architectures and roadmaps.

• Adoption of SAP best practices and standard functionality.

• Cross-domain alignment and architectural coherence with Domain Architects.

• Reduction of complexity through standardisation and platform convergence.

• End-to-end process and outcome-centric architecture design.

• Governance of SAP architecture standards, principles and design guardrails.

• Executive-level advisory to Enterprise Transformation and business leadership.

• Close collaboration with peer specialist architects in integration, data, security and analytics.

Key Responsibilities

1. SAP S/4 Architecture Ownership

Own and govern the target-state and ongoing SAP S/4 architecture across the enterprise.

Define and maintain architecture principles, reference architectures and design standards for the SAP ecosystem.

Lead architectural decision-making across S/4 Core and adjacent SAP technologies including:

• S/4 Private Cloud Edition & Related Public Cloud Applications

• S/4 Infrastructure and Application Components as standards with enterprise implementations

• SAP Business Technology Platform (BTP) & BTP-IS

• Enablement of Joule AI and Joule Studio capabilities.

• SAP GRC and Security capabilities

Ensure all solution designs maximise adoption of SAP standard functionality before considering customisation.

Act as the architectural authority for S/4 platform design decisions.

2. Platform Strategy & Roadmap Definition

• Translate business objectives into SAP platform capabilities and technology roadmaps.

• Identify opportunities to simplify processes through SAP standardisation.

• Drive long-term S/4 platform evolution.

• Provide architectural leadership for new SAP capabilities, innovations and AI-enabled opportunities.

• Ensure architecture roadmaps balance business value, technical sustainability and operational excellence.

3. Strategic Platform Simplification & Standardisation

Drive architectural decisions that reduce fragmentation, complexity and technical debt across the SAP ecosystem.

Promote:

• Standard SAP processes

• Common data models

• Reusable integration patterns

• Global design consistency

Challenge unnecessary customisation and local optimisation that undermine enterprise outcomes.

Ensure platform choices optimise:

• Cost

• Scalability

• Integration

• Data quality

• Operational resilience

4. Architecture Governance & Design Authority

• Operate as accountable decision maker for S/4 architectural governance processes.

• Review and approve SAP solution designs against enterprise standards and principles.

• Ensure S/4 architectural decisions are documented, traceable and auditable.

• Maintain governance appropriate to a strategic enterprise platform with significant investment and business dependency.

5. S/4 Toolchain & Process Architecture

• Partner with Domain Architects to define and define S/4 process architectures including the implementation of Signavio and leveraging the Knowledge Graph.

• Define implementation and promote adoption of Cloud ALM and drive the strategy for a leveraged implementation of emerging Acceleration technology.

• Promote a single source of architectural truth and business outcome-driven architecture via LeanIX.

• Establish architecture patterns that enable seamless process execution across SAP.

6. SAP Innovation & Emerging Technology

Provide leadership on the adoption of:

• Joule AI & The emerging Autonomous Enterprise Capability set.

• AI-assisted automation of testing, code conversion, migration.

• Process Intelligence capabilities including LeanIX and Signavio Agentic Capabilities.

Evaluate emerging SAP capabilities and drive adoption where business value can be demonstrated.

Ensure innovations align with architecture principles and enterprise strategy.

7. Regulatory, Risk & Compliance Architecture

Ensure platform architectures embed compliance requirements including:

• SOX

• GDPR

• Data Privacy

• Security-by-Design

• Segregation of Duties

• Governance Risk & Compliance (GRC)

Drive architecture decisions that support continual compliance and auditable operation.

8. Portfolio & Delivery Enablement

• Maintain architectural alignment across SAP programmes, products and delivery teams.

• Support prioritisation and investment decisions through architecture assessments and roadmap recommendations.

• Provide hands-on architectural support to delivery teams.

• Ensure architecture accelerates delivery and improves outcomes rather than constraining execution.

9. Architecture Community & Ways of Working

• Actively contribute to the D&T Architecture community.

• Promote reuse, shared standards and architectural excellence.

• Coach architects, engineers and delivery teams on SAP architecture best practices.

• Position Architecture as a value-driven internal consultancy and trusted business advisor.

Qualifications & Experience

Essential

• Required technical architecture capability to perform the responsibilities described above and demonstrate during interview.

• Extensive experience in ERP and SAP architecture.

• Deep expertise in SAP S/4HANA architecture and large-scale SAP implementations.

• Strong understanding of SAP technologies including:

  • S/4HANA

  • Business Technology Platform (BTP)

  • S/4 Related Toolchain including Cloud ALM, Signavio & LeanIX

  • Joule AI

  • Integration Suite

  • Security and GRC capabilities

• Broad functional knowledge across ERP domains.

• Experience defining target-state architectures for global SAP landscapes.

• Ability to operate enterprise-strength architecture governance processes.

• Ability to communicate complex technical concepts with credibility from executive leadership through to technical SMEs.

• Experience operating in large, regulated enterprises.

• Strong understanding of platform simplification, standardisation and SAP best-practice adoption.
  

Preferred

• Direct SAP functional experience.

• Experience with enterprise integration patterns outside of the SAP technology stack.

• Experience implementing SAP AI and automation capabilities.

• Familiarity with modern data architecture and Business Data Cloud.

• Experience driving global process harmonisation initiatives.
  

Job Posting End Date

2026-08-18

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 (@haleon.com). If you are not sure whether the email you received is from Haleon, please get in touch.