SAP S/4HANA Key User / Fachbereichskoordinator

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 is our priority. We provide the autonomy to make a lasting impact and nurture your growth through a culture of continuous learning. We invest in your journey for professional and personal development

Your Health and Future Matter. Your well‑being is paramount. We offer a comprehensive benefits package with outstanding insurance, pension and virtual stock options for your mental, physical, and financial health. Your peace of mind is our priority - in the present and future

We Live Openness. Collaboration and inclusivity are the cornerstones of our culture. We practice openness, fostering trust and respect. Individuality is our collective strength, fueling innovation and driving us forward

We connect chips – and people. We encourage qualified individuals from any background to apply. We foster an inclusive and supportive work environment that values collaboration, innovation, and growth. Join our team and be part of an organization dedicated to making a difference in the industry

Can you picture yourself in this Role and our Company? Let’s connect

If your application results in an employment relationship, your Applicant Data will be transferred to our personnel records and processed in accordance with applicable legal requirements; otherwise, your Applicant Data will be retained for up to six (6) months after completion of the recruitment process. Read more about our privacy policy here.

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