Service Business Project & Access Governance Manager; S​/HANA; m​/f​/d

Accelleron is accelerating sustainability in the marine and energy industries as a global technology leader in turbocharging, fuel injection, and digital solutions for heavy‑duty applications. Building on a heritage of over 100 years as a trusted industry partner, the company serves customers in more than 100 locations in over 50 countries. Accelleron’s 3,000 employees are continuously innovating to deliver best‑in‑class products, services, and solutions that are mission‑critical for the energy transition.

You will join a team of experts in an exciting international environment, committed to excellence and innovation. Together, we support our customers in driving the transition toward sustainable industries with cutting‑edge technology, deep expertise, and smart solutions. At Accelleron, we foster diversity and inclusion, welcoming and celebrating individual differences as a source of strength.

As the Service Business Project & Access Governance Manager (S/4

HANA) (m/f/d), you drive and coordinate cross‑functional service operations and ERP initiatives within the S/4

HANA FLASH Team and the broader Global Service Operations landscape. You lead and support ERP and process improvement projects across service operations, including regulatory and localization initiatives such as tax reforms, company code implementations, and E‑Invoicing rollouts, working closely with Global Process Owners (GPOs) and application teams. As the global owner of Service S/4

HANA User Access Management (UAM) governance, you establish and continuously improve user access and test management practices, supporting ongoing transformation and remediation initiatives. In this role, you report to the Team Lead & Service Business Process Manager (S/4

HANA), Global Service Operations, and are part of the S/4

HANA FLASH Team. The position is based in Baden, Switzerland.

S/4

HANA Project Management & E‑Invoicing Enablement

• Lead small‑to‑medium sized continuous improvement, localization, and regulatory projects within the global Service Operations S/4
  
  HANA environment.
• Support cross‑functional ERP initiatives such as tax reforms, organizational changes, and company code implementations, ensuring successful operational integration and adoption.
• Support the operational rollout, integration, and stabilization of E‑Invoicing processes, primarily within the Order‑to‑Cash area, in alignment with the strategy and solutions defined by the Global E‑Invoicing & Digital Tax Manager.
• Coordinate rollout activities with countries and stakeholders, including readiness tracking, testing coordination, and post‑go‑live follow‑up in collaboration with IT, Global Process Owners (GPOs), and business stakeholders.
• Identify improvement opportunities across service processes and S/4
  
  HANA operations in collaboration with GPOs, drive related change requests, and contribute to sustainable process optimization.
• Collaborate closely with Global Process Owners, Group Tax, Finance, IT and the service network to ensure alignment with global standards and effective operational adoption.

User Access & Test Management Governance

• Own, maintain, and continuously improve User Access Management processes for the Service SAP S/4
  
  HANA landscape, ensuring adherence to defined procedures, security policies, and audit requirements.
• Define, implement, and govern the global User Access Management operating model for Service S/4
  
  HANA.
• Coordinate user role governance and access‑related activities across the Service organization, ensuring consistent execution and timely resolution of access issues.
• Define, oversee, and continuously improve an audit‑compliant test management framework, including user acceptance testing and regression testing for SAP S/4
  
  HANA Public Cloud releases.
• Define and monitor relevant KPIs, drive remediation actions based on audit findings and operational feedback and identify continuous improvement opportunities.
• Functionally manage test coordination and user access management specialists within the central operations team, ensuring effective delivery, governance, and knowledge sharing.

• University degree or equivalent higher education in…