Project Manager – Invoice to Pay (AP) Transformation (m/f/d) (80-100%)

Apply for the Project Manager – Invoice to Pay (AP) Transformation (m/f/d) (80-100%) role at Accelleron .

Accelleron is accelerating sustainability in the marine and energy industries as a global technology leader in turbocharging, fuel injection, and digital solutions for heavy‑du‑ty 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.

We are looking for 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.

Together with a finance colleague, you will act as the central AP transformation lead within Accelleron’s Procure‑to‑Pay landscape and drive automation, transparency, compliance and operational efficiency across functions.

After the successful stabilization of the AP transformation, this role will expand into further SAP S/4HANA Phoenix projects within a scope to Source‑to‑Pay processes (CH / CN).

You will collaborate closely with Finance, IT, Operations, and Procurement and you will play a key role in Accelleron’s S/4HANA readiness and operational excellence journey.

You will be based at our global headquarters in Baden, Switzerland, and report to the Global Head 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 close collaboration with Finance.
Drive the implementation of a modern AP solution within the Service Network, focusing on automation, compliance and global process harmonization, including e‑invoicing.
Act as the process authority for AP within the end‑to‑end P2P framework, ensuring full alignment with Procurement, Finance and IT.
Translate business requirements into scalable AP process and system solutions, ensuring a future‑proof setup for international growth.
Prepare and execute the transition of the AP process into SAP S/4HANA, including data migration, testing, cutover and user enablement.
Ensure consistent process documentation, training material and global adoption.
Manage scope, dependencies, milestones and senior stakeholder communication across all levels.
After successful AP stabilization, take over responsibility for further SAP S/4HANA Phoenix projects, especially 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, ideally 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 across all hierarchy levels.
Fluent in English and German, both written and verbal.

Your Benefits

Attractive compensation & benefits.
Employee Assistance Program.
Global parental leave program.
Flexible working models.

We look forward to receiving your application. If you want to discover more about Accelleron, take another look at our website accelleron.com .

Accelleron Data Privacy Statement: accelleron.com/privacy-notice/candidate

Job Family Group: Operations
Seniority Level: Mid‑Senior level
Employment Type: Full‑time
Job Function: Project Management and Information Technology
Industries: Industrial Machinery Manufacturing

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Project Manager – Invoice to Pay (AP) Transformation (m/f/d) (80-100%)

Global AP Transformation Lead: I2P & SAP S/4HANA