Negotiable
Undetermined
Hybrid
England, United Kingdom
Summary: The role of SAP Senior Migration Architect involves leading the planning, design, and execution of the ETMP Regeneration Programme, a significant transformation initiative for HMRC. The architect will ensure the successful delivery of the migration from ECC6 to S/4HANA, engaging with senior leadership and various stakeholders throughout the process. This position requires a strong focus on enterprise architecture and collaboration across multiple teams and suppliers. The role is hybrid/remote and is expected to last between 6 to 12 months.
Key Responsibilities:
- Drive the end-to-end delivery of the enterprise architecture for the ETMP Regeneration Programme.
- Provide architectural leadership and assurance across all stages of S/4HANA migration.
- Develop and maintain technical documentation, including system architecture diagrams.
- Prepare and deliver clear, concise briefings to senior leaders.
- Work across a diverse ecosystem of internal HMRC teams, suppliers, systems integrators, and technology vendors.
- Operate effectively within a multi-disciplinary environment, collaborating with various stakeholders.
- Review supplier proposals and contribute to commercial discussions.
Key Skills:
- Hands-on experience in leading and completing S/4HANA migrations.
- Strong track record of delivering enterprise architecture in large-scale transformation programmes.
- Ability to operate in large, multi-stakeholder environments.
- Deep expertise in ECC6, S/4HANA, BW/4HANA, SAP BTP, and related technologies.
- Experience with RISE with SAP, SaaS, and PaaS hosting models.
- Experience reviewing supplier proposals and managing commercials.
- Strong communication skills for conveying complex technical ideas.
Salary (Rate): undetermined
City: undetermined
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
6-12 Month Contract Role Competitive Day Rate Hybrid/Remote Working - UK Wide We are seeking a highly experienced and delivery-focused Migration Architect to help lead and support senior leadership in the successful planning, design 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 central to ensuring the successful delivery of this complex and high-impact programme, which underpins HMRC’s core tax accounting and payment capabilities .
Key Responsibilities:
- Ensure Delivery of the Target Architecture: Drive the end-to-end delivery of the enterprise architecture for the ETMP Regeneration Programme, ensuring successful outcomes across planning, design and implementation phases
- S/4HANA Migration Leadership: Provide architectural leadership and assurance across all stages of S/4HANA migration, drawing on direct experience of having completed one or more such migrations
- Architecture Documentation: Develop and maintain technical documentation, including system architecture diagrams
- Senior Leadership Engagement: Prepare and deliver clear, concise briefings to senior leaders. Translate complex technical concepts into simple, actionable language to support informed decision-making
- Cross-Team Collaboration: Work across a diverse ecosystem of internal HMRC teams, suppliers, systems integrators (SIs), and technology vendors to ensure architectural alignment and delivery cohesion
- Multi-disciplinary Teamwork: Operate effectively within a multi-disciplinary environment, collaborating with delivery leads, techno-functional experts, analysts, architects, programme management leads and business stakeholders
- Commercial and Supplier Oversight: Review supplier proposals, contribute to commercial discussions, and ensure architectural integrity across third-party engagements
Essential Criteria:
- S/4HANA Migration Expertise: Hands-on experience in leading and completing one or more S/4HANA migrations, including ECC6 transition planning and execution. Knowledge of SAP’s Activate methodology
- Proven Delivery Experience: A strong track record of delivering enterprise architecture in large-scale, complex transformation programmes
- Complex Programme Environment: Demonstrated ability to operate in large, multi-stakeholder environments with competing priorities and high delivery expectations
- SAP Technology Knowledge and Experience: Deep expertise in ECC6, S/4HANA, BW/4HANA, SAP BTP (including major apps such as Work Zone, Build Apps, BPA etc), Fiori, Integration Suite, RISE and the latest SAP product and service offerings
- Cloud and Hosting Models: Strong experience with RISE with SAP, SaaS, and PaaS hosting models, including architectural design, deployment, integration, networking and security
- Supplier and Commercial Acumen: Experience reviewing supplier proposals, managing commercials, and working across multiple suppliers, systems integrators (SIs), vendors, and internal teams
- Communication Skills: Ability to communicate complex technical ideas clearly and effectively to both technical and non-technical audiences, including senior leadership
Desirable Criteria:
- TRM & PSCD Knowledge and/or Experience: Awareness of SAP Industry Solutions Tax & Revenue Management (TRM) and Public Sector Collections and Disbursements (PSCD)
- Wider Architecture Knowledge: Enterprise Architecture knowledge and experience or other technologies and domains outside of SAP. Well rounded knowledge of data, integration, networks, security, identity management, etc.
- Public Sector Experience: Experience of working in the Public Sector, especially taxation, and/or large, complex industries such as Finance, Utilities,etc.