Job Description

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 Manager E-Invoicing and User Access Management (m/f/d), you ensure the compliant, stable, and efficient operation of electronic invoicing solutions and user access management within the global Accelleron service SAP S/4HANA landscape. You lead the service network-facing rollout of new country-specific e-invoicing solutions, act as the subject matter expert for invoicing in S/4HANA and ensure a harmonized approach to user access and test management. By working in close alignment with service and finance process owners, application owners, and the S/4HANA Flash Team, you contribute to continuous improvement initiatives within the Order-to-Cash process and support the implementation of the global service operations strategy. In this role, you will report to the Team Lead & Service Business Process Manager (S/4HANA), Global Service Operations and be part of the S/4HANA Flash Team.

Your Responsibilities

• Act as Business Responsible and Subject Matter Expert for electronic invoicing within the Service Order-to-Cash and Procure-to-Pay process areas, ensuring compliant and stable operation within SAP S/4HANA and other corresponding applications.
• Implement and continuously improve the global Service e-Invoicing strategy, ensuring compliance with local and international e-invoicing, tax, and e-requirement regulations and standards in collaboration with Global E-Invoicing & Digital Tax Manager in Group Tax.
• Lead the service network facing rollout of new country-specific e-invoicing solutions, including process design, user acceptance testing, training, and go-live support.
• Own and maintain e-invoicing process documentation, user manuals, and training materials to ensure sustainable adoption and compliance across the service network.
• Lead or contribute to cross-functional operations and ERP projects impacting multiple business processes, ensuring alignment with overall service operations goals and business objectives.
• Work in close collaboration with Country Finance Managers and Global Process Owners for Order-to-Cash, Contract Management, Procure-to-Pay, Accounts Payable, and Tax to ensure end-to-end process alignment.
• Actively represent e-invoicing, user access management, and test management topics within the S/4HANA Flash Team and broader service ERP initiatives.
• Define, implement, and maintain a harmonized Service ERP user access management approach for SAP S/4HANA, ensuring adherence to security policies, audit requirements, and regulatory standards.
• Define and oversee the execution of an audit-compliant test management framework, including user acceptance testing for business projects and regression testing for SAP S/4HANA Public Cloud release upgrades.
• Functionally manage test coordination and user access management specialists within the central operations team, ensuring effective delivery, governance, and knowledge sharing.
• Define and follow up on relevant process KPIs to identify risks, inefficiencies, and continuous improvement opportunities across e-invoicing, user access, and testing.
• Manage a set of global standards, including process documentation, to enable automation, SAP S/4HANA innovations, and consistent process adoption.
• Elaborate Business Cases; evaluate cost-saving opportunities, including feasibility, impact on product costs, and capital expenditures.
• Act as authorization owner for Requests for Change (RfCs) within the assigned scope, ensuring governance, compliance, and alignment with global standards.
• Develop and execute End User and key stakeholder training in collaboration with the Global End User Training responsible and relevant process communities.

Your Background

• University degree or equivalent higher education in Mechanical Engineering, Industrial Engineering, Business Administration, or a related field.
• Experience in project management, operational excellence, process automation, and/or Lean Six Sigma.
• Strong ERP knowledge of SAP S/4HANA, with hands-on experience in SD, PS, and EPPM; experience with Microsoft CRM would be an advantage.
• Experience in SAP S/4HANA user access management design and implementation, including role concepts and authorization governance.
• Self-driven, decision-focused, structured, collaborative, and a strong team player with excellent communication skills.
• Experience working with senior management across different countries and communicating effectively with all organizational levels.
• Experience in commercial support and/or service coordination would be an advantage.
• International business experience and intercultural competence.
• Language skills: English (C1 or above); German (B2 or above) would be an advantage.
• Ability to travel globally up to 5-10%.

Your Benefits

• Canteen
• Childcare
• Modern office, smart working
• Flexible working model
• Attractive holiday plan
• Remote work policy
• Employee assistance program