Senior SAP HCM Solution & Integration Architect Freelance

For an international enterprise environment we are looking for an experienced Senior HR IT / SAP HCM Solution & Integration Architect to support a global HR technology transformation and transition program.

The role combines HR application architecture integration architecture technical governance and hands-on SAP HCM expertise.

This is not a classic Payroll role and not a purely functional SAP HCM consulting position.

• Start: Mid-November 2026
• Duration: 6 months
• Go-live: Planned for January / February 2027
• Contract: Freelance
• Workload: 100%
• Location: Remote
• Language: English

We are specifically looking for a technically strong SAP HCM Solution / Integration Architect.

Profiles focused primarily on SAP Payroll SuccessFactors Payroll or purely functional SAP HCM consulting without architecture and integration responsibility are not suitable for this assignment.

• Design and further develop the global HR application and integration architecture
• Act as technical lead and design authority for the implementation team
• Design and review integrations between SAP HCM S/4HANA SuccessFactors and other enterprise systems
• Work with SAP Integration Suite / CPI APIs OData REST SOAP and middleware technologies
• Define architecture principles technical standards data flows and integration governance
• Support security architecture IAM RBAC segregation of duties and GDPR requirements
• Support audit findings test cycles technical issue resolution and go-live preparation
• Take over from the current consultant and support go-live stabilization and ongoing technical ownership

• Extensive experience in HR IT SAP HCM Solution Architecture or Enterprise Architecture
• Strong SAP HCM background ideally including Core HR Personnel Administration and Organizational Management
• Strong experience in Solution Architecture and Integration Architecture
• Experience with SAP S/4HANA and/or SAP SuccessFactors
• Strong integration experience with SAP Integration Suite / CPI APIs and middleware
• Strong technical understanding beyond purely functional SAP HCM consulting
• Experience with global / multi-country landscapes security IAM roles and GDPR
• Fluent English strong stakeholder communication and experience leading technical teams

Nice-to-haves

• Business Object Repository
• SAP Shared Memory
• Carve-out or transition experience
• Global SAP transformation programs
• Application Operations
• Post-go-live stabilization / hypercare
• Experience in international corporate environments