HCM Solution Architect

Hexaware Technologies; Greater London; On-site; GBP 100,000 - 160,000; Full time

Job summary

Hexaware Technologies seeks a seasoned HCM Solution Architect to lead the SAP S/4HANA transformation’s HCM workstream. You will drive architecture, integration strategy, and program delivery across SAP and non-SAP systems.

The role focuses on ECC to SuccessFactors migration, complex integrations, and managing delays in customization builds, with a leadership role in testing and go-live readiness.

Qualifications

• 10+ years of experience in SuccessFactors.
• At least 3 full-cycle implementations in SF programmes.
• Proven experience as a Solution Architect in SuccessFactors programmes.
• Hands-on experience with SAP SuccessFactors modules listed in the job description.
• Experience migrating from ECC to SuccessFactors.

Responsibilities

• 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, SAP Concur, S/4HANA Finance, SAP Analytics Cloud and non-SAP systems.
• Oversee configuration and customization of HCM modules.
• Collaborate with technical teams to resolve integration and data flow issues across platforms.
• Lead the HCM workstream through testing and deployment lifecycle including Integration Testing, UAT, OAT, Cutover, Go-Live.

Skills

SuccessFactors

HCM architecture

Integration

Stakeholder management

ECC to SF migration

SAP Ariba integration

Concur integration

S/4HANA integration

Tools

SAP SuccessFactors

S/4HANA

SAP Ariba

Concur

SAP Analytics Cloud

Job description

We are seeking a seasoned HCM Solution Architect 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:

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.

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.