HM Revenue & Customs
Senior Technical Architect
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Senior Technical Architect (SAP S/4HANA) - Day Rate Contract
We are seeking a highly skilled and delivery-focused SAP S/4HANA Techno-Functional Expert to support the successful planning, configuration, and execution of the ETMP Regeneration Programme.
This is a once-in-a-generation transformation initiative to migrate HMRC’s Enterprise Tax Management Platform (ETMP) from ECC6 to S/4HANA. The role is critical to ensuring the functional and technical success of this complex and high-impact programme, which underpins HMRC’s core tax accounting and payment capabilities.
Please note SC Clearance is required for this role
Key Responsibilities:
- S/4HANA Migration Execution: Lead and support the hands-on configuration, testing, and deployment of S/4HANA modules, ensuring alignment with business processes and programme goals.
- Functional-Technical Integration: Act as a bridge between functional requirements and technical implementation, ensuring end-to-end solution integrity across SAP modules and integrations.
- Solution Documentation: Create and maintain functional specifications, configuration documents, and integration mappings.
- Stakeholder Engagement: Collaborate with business users, analysts, and technical teams to translate requirements into system solutions and ensure user readiness.
- Cross-Team Collaboration: Work across internal HMRC teams, systems integrators (SIs), and vendors to ensure cohesive delivery and issue resolution.
- Testing and Validation: Support system integration testing (SIT), user acceptance testing (UAT), and cutover planning activities.
- Support and Hypercare: Provide post-go-live support, troubleshoot issues, and contribute to knowledge transfer and training.
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Essential Criteria:
- S/4HANA Migration Experience: Hands-on experience configuring and supporting one or more S/4HANA migrations, including ECC6 transition planning and execution. Familiarity with SAP Activate methodology.
- SAP Functional Expertise: Deep knowledge of core SAP modules including S/4HANA, BTP, Integration Suite, BW/4HANA, Work Zone, Build Apps, Fiori, Build Process Automation, and cloud deployment models (e.g., RISE with SAP, SaaS, PaaS).
- Cross-Functional Exposure: Experience working with data, integration, security, and identity management in SAP landscapes.
- Delivery Experience: Proven ability to deliver in large-scale, multi-stakeholder transformation programmes.
- Communication Skills: Strong ability to communicate technical and functional concepts to diverse audiences, including senior stakeholders.
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Desirable Criteria:
- Public Sector Knowledge: Experience working in public sector environments, particularly taxation or large-scale government programmes.
- Industry Specific SAP Knowledge: Relevant to tax, finance, and public sector operations – such as TRM, PSCD, FICA.
Please note SC Clearance is required for this role
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