HCM Solution Architect cum Program Manager

Role : HCM Solution Architect cum Program Manager

Location : London, UK

FTE

Work Mode : Onsite

We are seeking a seasoned HCM Solution Architect cum Program Manager to lead the Human Capital Management (HCM) workstream within a large-scale SAP S/4HANA transformation program. The ideal candidate will bring deep expertise in SAP HCM architecture, integration strategy, and program delivery, with a strong understanding of cross-functional dependencies across Finance, Procurement, SAP Ariba, SAP Analytics Cloud, Concur, and non-SAP systems.

The program is currently entering Integration Testing, with delays in customization build and configuration. The candidate will play a critical role in managing these challenges, ensuring integration readiness, and supporting the transition from SAP ECC to SAP SuccessFactors.

Key Responsibilities:

Solution Architecture:

• Define and validate the end-to-end HCM architecture within the S/4HANA ecosystem.

• Lead the design and integration of HCM modules including Employee Central, Employee Central Payroll, Recruitment, Performance and Goals Management.

• Ensure robust integration with: SAP Ariba (Procurement), SAP Concur (Travel & Expense), S/4HANA Finance, SAP Analytics Cloud, Upstream and downstream non-SAP systems

• Oversee configuration and customization of HCM modules, ensuring alignment with business requirements and SAP best practices.

• Collaborate with technical teams to resolve integration and data flow issues across platforms.

Program Management:

• Lead the HCM workstream through the full testing and deployment lifecycle: Integration Testing, User Acceptance Testing (UAT), Operations Acceptance Testing (OAT), Dress Rehearsals, Cutover Planning and Go-Live Support

• Manage timelines, risks, and dependencies, especially in light of current delays in build/configuration.

• Coordinate with cross-functional teams to ensure alignment and timely delivery.

• Provide regular status updates to senior stakeholders and steering committees.

Stakeholder Engagement:

• Act as the primary point of contact for HCM-related topics across business and IT teams.

• Facilitate workshops, testing sessions, and decision-making forums.

• Drive change management and user adoption strategies for HCM processes.

Required Skills & Experience:

• 10+ years of experience in SuccessFactors, with at least 3 full-cycle implementations.

• Proven experience as a Solution Architect in SuccessFactors programs.

• Strong program/project management skills, preferably with PMP or equivalent certification.

• Hands-on experience with SAP SuccessFactors modules listed above.

• Experience with SAP Ariba, Concur, and integration with S/4HANA Finance.

• Proven track record in ECC to SuccessFactors migration projects.

• Experience integrating SAP with non-SAP systems.

• Excellent communication, stakeholder management, and problem-solving skills.

• Ability to work under pressure and manage ambiguity in complex environments.

Preferred Qualifications:

• Experience in global rollouts and multi-country deployments.

• Familiarity with Agile delivery methodologies.

• Knowledge of data migration and data quality frameworks.