Senior Technical Architect (SAP S/4HANA) - SC Cleared at HMRC, UK, £Contract Rate

We want to maximise the potential of everyone who chooses to work for us. We offer a great work life balance. You have the opportunity to work at any of our brand-new Regional Centres and to also work remotely. Contracts vary in length dependent upon the project with the possibility to extend.

Your time spent with us short or long term will be invaluable - your skills and expertise are needed to deliver the largest digital and transformation projects in Government. There really couldn’t be a better time to join HMRC for your new contract opportunity!

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

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

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*