Manager, RTR S/4HANA Deployment & Stabilization Steward

Job Purpose:

As the RTR S/4HANA Deployment & Stabilization Steward, you will play a key role in supporting the successful implementation, go-live, and stabilization of the SAP S/4HANA ERP platform within the Germany Record-to-Report (RTR) organization.
Acting as a bridge between the RTR operational teams, business stakeholders, and the project delivery organization, you will champion user adoption, support testing and defect resolution activities, facilitate training, and help ensure a smooth transition to new ways of working. This role offers broad exposure to end-to-end RTR processes, finance transformation initiatives, and cross-functional collaboration across Finance, Business Process & Technology, and external implementation partners.
You will be a trusted partner to RTR leadership and business stakeholders, contributing to the successful embedding of S/4HANA capabilities while ensuring operational continuity and process stability during the implementation and post-go-live phases.

Key Responsibilities

S/4HANA Learning, Training & Change Support

• Build expertise in SAP S/4HANA finance processes through formal training programs, workshops, and self-directed learning.
• Act as an RTR champion and change advocate throughout the implementation journey by engaging in knowledge transfer sessions, preparing training materials, and hands-on support for RTR end users.
• Support user readiness and adoption activities to ensure a successful transition to the new ERP platform.

User Acceptance Testing (UAT) & Defect Management

• Participate actively in User Acceptance Testing (UAT) activities within pre-configured S/4HANA environments.
• Execute, validate, document, and track predefined business test scenarios.
• Collaborate with Business Process Owners, SMEs, and Project Leads to identify, investigate, and resolve system defects.
• Monitor testing outcomes and provide timely status updates to project stakeholders.
• Maintain awareness of system enhancements and implemented fixes, ensuring impacts are clearly understood and communicated.

Go-Live & Hypercare Support

• Provide frontline support during go-live, hypercare, and stabilization phases.
• Assist RTR teams in resolving process and system-related issues while embedding new ways of working.
• Help ensure a smooth transition from project implementation into business-as-usual operations.

Governance, Compliance & Documentation

• Assist RTR leadership in maintaining compliance with company policies, accounting standards, internal controls, and SOX requirements.
• Support the creation, maintenance, and enhancement of financial accounting process documentation, work instructions, and operating procedures.
• Ensure documentation accurately reflects system design, process changes, and control requirements.
• Contribute to risk identification, issue escalation, and resolution activities throughout the project lifecycle.

Key Stakeholders

• Internal
• Germany RTR Team
• Germany Business Unit Finance Teams
• Business Process & Technology Teams
• Internal Audit
• Project and Workstream Leads
• Subject Matter Experts (SMEs)

External

• Implementation Partners
• External Consultants

Qualifications:

• University degree in Finance and a professional accounting qualification is a strong advantage
• Minimum of 3 years accounting experience preferably in a ISS multi-national organization
• Strong ERP experience essential, preferably SAP
• Fluent in English, German can be an advantage
• Supporting Initiatives & Projects – advanced
• Accounting Process and System Knowledge – advanced
• Problem Solving - advanced
• Data-Analysis and Reporting – advanced
• Accounting Knowledge - good
• Risk Identification and Assessment – good
• Audit Knowledge – good