Senior SAP HCM Solution & Integration Architect - Freelance

Sidekick Network GmbH & Co. KG · Bonn · posted today ago

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About this role

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.

Tasks

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

Requirements

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

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