Project Manager – Invoice to Pay (AP) Transformation (m/f/d)

About Accelleron

Accelleron is at the forefront of sustainability in the marine and energy industries. As a global technology leader in turbocharging, fuel injection, and digital solutions for heavy-duty applications, we build on over 100 years of trusted partnerships. With a presence in over 100 locations across more than 50 countries and a dedicated team of 3,000 employees, we continuously innovate to deliver best-in-class products, services, and solutions that are essential for the energy transition.

Join us in an exciting international environment where excellence and innovation thrive. Together, we support our customers in their pursuit of sustainable industries through cutting-edge technology, deep expertise, and intelligent solutions. At Accelleron, we embrace diversity and inclusion, celebrating individual differences as a vital strength.

We Are Looking for a Project Manager

We are seeking a highly experienced Project Manager to lead the transformation of our global Accounts Payable / Invoice-to-Pay (I2P) process. In this role, you will take end-to-end responsibility for the redesign, harmonization, and digitalization of the AP process, starting with the Service Network and preparing the organization for a future-proof global setup.

Working alongside a finance colleague, you will serve as the central AP transformation lead within Accelleron’s Procure-to-Pay landscape, driving automation, transparency, compliance, and operational efficiency across various functions.

Following the successful stabilization of the AP transformation, this role will expand to encompass further SAP S/4HANA Phoenix projects, specifically related to Source-to-Pay processes in CH and CN.

You will closely collaborate with teams in Finance, IT, Operations, and Procurement, playing a pivotal role in Accelleron’s S/4HANA readiness and operational excellence journey. You will be based at our global headquarters in Baden, Switzerland, reporting to the Global Head of Value Chain Planning & Fulfillment within the Value Chain function.

Your Responsibilities

• Lead the global Accounts Payable / Invoice-to-Pay transformation project from design to stabilization in collaboration with Finance.
• Drive the implementation of a modern AP solution within the Service Network, emphasizing automation, compliance, and global process harmonization, including e-invoicing.
• Act as the process authority for AP within the end-to-end P2P framework, ensuring alignment with Procurement, Finance, and IT.
• Translate business requirements into scalable AP process and system solutions, preparing for international growth.
• Oversee the transition of the AP process into SAP S/4HANA, including data migration, testing, cutover, and user enablement.
• Ensure consistent process documentation, training materials, and global adoption.
• Manage scope, dependencies, milestones, and senior stakeholder communication across all levels.
• Following successful AP stabilization, take on responsibility for further SAP S/4HANA Phoenix projects, particularly within the SAP MM / Finance integration area.

Your Background

• University degree in Business, Finance, Supply Chain, or IT.
• Several years of experience in Accounts Payable (AP) / Invoice-to-Pay (I2P) process ownership or transformation, preferably in SAP-based environments.
• Strong hands-on knowledge of SAP AP / FI and SAP MM integration (GR/IR, account determination, tolerances, vendor master).
• Solid experience with E-Invoicing, automation tools, and ERP-integrated AP solutions.
• Proven track record in project management, ideally in comparable transformation or ERP implementation projects.
• Demonstrated ability to lead complex cross-functional initiatives across functions and countries.
• Strong analytical, structured, and implementation-driven mindset.
• Excellent stakeholder management and communication skills at all hierarchy levels.
• Fluent in English and German, both written and verbal.

Your Benefits

• Attractive compensation and benefits package.
• Employee Assistance Program.
• Global parental leave program.
• Flexible working models.

We look forward to receiving your application. Apply online using the form below. Only applications matching the job profile will be considered.