Senior Change Manager Billing (f/m/d) (part-/full-time)

Overview

Senior Change Manager Billing (f/m/d) – responsibilities and qualifications described below.

Responsibilities

As a Senior Change Manager Billing (f/m/d), you will play a key role in shaping and stabilizing billing operations while driving transformation initiatives across processes, systems, and data platforms. You will combine hands-on operational billing responsibilities with structured change management, ensuring continuity during system evolution and ongoing monthly closing cycles. You will actively support day-to-day billing activities and monthly closing, while coordinating change initiatives across billing, IT, and data teams. In close collaboration with IT streams, you will represent billing requirements in modern cloud-based architectures, with a strong focus on Google Cloud Platform (GCP) and data infrastructure. You will monitor parallel operations, support system transitions, conduct validations, and ensure billing accuracy and performance throughout transformation phases. You will document processes, analyze impacts of system and data changes, and help translate business requirements into technical solutions. Acting as a bridge between business and IT, you will help stabilize operations while enabling sustainable, future-oriented billing solutions. With openness to change and a strong interest in AI‑supported and data-driven process improvements, you will actively contribute to a successful transformation.

Qualifications

• Degree in Finance, Accounting, Business Informatics, IT, or comparable qualification


• Several years of experience in billing, finance transformation, or change management, preferably in complex system landscapes


• Ability to combine change management with operational billing responsibilities, including monthly closing support


• Strong understanding of end-to-end billing processes, revenue recognition, and reconciliation


• Experience working with data architecture, system interfaces, and IT streams


• Practical knowledge of cloud architectures, ideally Google Cloud Platform (GCP)


• Familiarity with ERP and billing systems (e.g. SAP SD / S4HANA is a plus)


• Interest in AI-driven tools, automation, and data-enabled process optimization


• Strong analytical skills, ownership mindset, and resilience in dynamic environments


• Excellent stakeholder management and ability to work collaboratively across business and IT


• Fluency in English and German