SAP S/4HANA Key User / Fachbereichskoordinator

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About the role

SAP S/4HANA Key User (f/m/d) About us We see the semiconductor industry as a realm of possibility. We see opportunity. We see the profound impact that our graphene solutions will have in transforming the industry. We invite you to join us in driving change with our fundamentally human-centered approach, uniting bright minds around a shared vision. The vision is: Prove to everybody that you can make a fundamental change. Prove with your knowledge and skills how things can be done differently. Together, we can change the paradigm of how the world connects. About our technology The semiconductor industry’s growing demand for more powerful chips with higher bandwidth and lower power finds its solution in our technology. We connect chips to high-throughput, low-delay computing networks. The key lies in harnessing the physical properties of graphene to combine electronic computing with photonic communication, allowing countless chips to interact almost as if they were one. Our graphene photonic innovation increases computing power and efficiency to a new order of magnitude. In short , we connect chips to create powerful and energy-efficient networks, overcoming connectivity limitations in the semiconductor industry. We deliver the graphene solution. The Role Black Semiconductor GmbH is looking for an SAP S/4HANA Key User, who act as the central interface between business stakeholders and external SAP consultants, ensuring that business requirements are effectively translated into system solutions. You support and maintain the SAP S/4HANA landscape across Finance, Logistics, Procurement, and Supply Chain functions, driving continuous process improvements, system optimization, and successful change implementation. Key Responsibilities • Serve as the primary point of contact between business departments (Finance, Logistics, Procurement, Supply Chain) and external SAP consulting partners. • Gather, analyze, and translate business requirements into clear functional specifications and system enhancements. • Maintain and support the SAP S/4HANA environment, ensuring stable and efficient system operations. • Coordinate and manage change requests, system improvements, and minor configuration adjustments in collaboration with internal and external stakeholders. • Create and maintain documentation of system configurations, business processes, test results, and customizations. Your Qualifications • Degree in Business Informatics, Information Systems, Business Administration, or a comparable qualification. • 3–4 years of hands-on SAP experience in a deep-tech, manufacturing, semiconductor, or similarly complex operational environment. Comfortable operating independently within newly established or evolving SAP S/4HANA environments, with a strong understanding of business processes across FI/CO, MM, and SD. Ability to act as a trusted SAP key user and business partner. • Strong knowledge of SAP S/4HANA and its application within end-to-end business processes. • Experience collaborating with external SAP partners and cross-functional business operations teams, including requirements gathering, testing, and change management activities, supported by tools such as SAP Cloud ALM. • Strong communication skills in German and English, with the ability to effectively collaborate with business stakeholders, IT teams, and external service providers, combined with a structured, solution-oriented, and self-driven way of working. Our work culture People Over Processes. At Black Semiconductor, flexibility is key—we ensure work adapts to life, not the other way around. We champion work-life harmony, where careers are meaningful and enriching. Our processes are human-centric, allowing you to focus on what matters Let’s grow together. Your potential i

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