S/4HANA Finance Functional Consultant in London

Job TitleS/4HANA Finance Functional Consultant / Solution Architect cum Program Manager

Location & Work ModeLondon – Onsite (4 days/week)

Program OverviewLead a high‐impact SAP transformation program transitioning from SAP ECC to S/4HANA, with concurrent implementations of Ariba, SuccessFactors, and Concur. The majority of build and configuration is complete; the program is entering Systems Integration Testing (SIT), followed by User Acceptance Testing (UAT), Operations Acceptance Testing (OAT), and Dress Rehearsals.

Key Responsibilities

Provide expert guidance on S/4HANA Finance capabilities, especially in the context of ECC transition.

Validate and refine existing configurations; support ongoing build activities.

Ensure robust integration across Ariba (Procurement), SuccessFactors (HR), and Concur (Travel & Expense) modules.

Oversee upstream and downstream application integration, including systems such as Summit and other financial platforms.

Maintain data consistency, process alignment, and seamless flow across integrated systems.

Address functional gaps and ensure alignment with business processes, especially around Grants and Donor Funds.

Lead and coordinate SIT, UAT, OAT, and Dress Rehearsals phases.

Collaborate closely with the testing team to drive creation of test scenarios and test cases; support execution.

Triage, prioritize, and resolve defects identified during testing.

Track and mitigate risks; drive stakeholder engagement and communication across business, IT, and external partners.

Develop and manage the cutover strategy and detailed cutover plan for the transition from ECC to S/4HANA.

Coordinate cutover activities across Finance, HR, Procurement, and IT teams; ensure readiness of systems, data, and stakeholders for go‐live.

Lead cutover rehearsals and align with overall program timelines and business operations.

Lead the transition from implementation to Business‐As‐Usual (BAU) support; define stabilization plans and hyper‐care support models.

Define handover processes to operations teams; monitor post go‐live performance and resolve residual issues.

Act as the primary point of contact for Finance‐related topics; facilitate workshops, issue resolution, and decision‐making forums.

Ensure alignment between business requirements and technical delivery.

Required Skills & Experience

10+ years of SAP Finance experience, with at least 2 full‐cycle S/4HANA implementations.

Strong understanding of SAP ECC to S/4HANA transition processes.

Proven experience in Program/Project Management within SAP environments.

Hands‐on experience with Ariba, SuccessFactors, and Concur implementations and integrations.

Deep understanding of upstream systems such as Summit, and downstream application integration in SAP landscapes.

Experience with Grants and Donor Funds processes and configurations.

Strong engagement with testing teams for test case creation, execution, and defect resolution.

Demonstrated experience in transitioning programs to BAU support post go‐live.

Hands‐on experience with cutover planning and execution in SAP programs.

Excellent communication, leadership, and stakeholder management skills.

Ability to work onsite in London 4 days/week.

Preferred Qualifications

SAP Certification in S/4HANA Finance.

Experience in public sector or non‐profit environments.

PMP or equivalent project management certification.

Employment TypeFull‐time

Seniority LevelMid‐Senior

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