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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 is looking for a Category Manager – Semiconductor Materials (f/m/d) to strengthen our growing team in Aachen, Germany. In this role, you will lead strategic sourcing and supplier management activities for materials critical to semiconductor manufacturing. You will ensure continuity of supply, optimize total cost of ownership, and maintain quality compliance while adapting to evolving technology requirements and market conditions. To join our team, you should be excited to take ownership of: Develop and execute global sourcing strategies for semiconductor materials, including wafers, photoresists, CMP slurries, specialty gases, chemicals, and other critical materials. Identify, qualify, and manage strategic suppliers while ensuring alignment with technology roadmaps, quality standards, and production requirements. Negotiate contracts, pricing, and commercial terms to achieve cost targets while securing reliable supply. Monitor semiconductor material markets, supplier performance, pricing trends, and supply chain risks to identify opportunities and mitigation strategies. Collaborate with R&D, process engineering, quality, and manufacturing teams to align material requirements with technology and production needs. Support new product introductions by sourcing materials that meet emerging process requirements and scalability targets. Drive cost optimization initiatives through supplier development, data analysis, and total cost of ownership improvements. Manage procurement performance, supplier relationships, and reporting activities to support business objectives. Your Profile Bachelor’s or Master’s degree in supply chain management, engineering, physics, materials science, business, or a related field. 5+ years of experience in procurement, strategic sourcing, or supply chain management, preferably within semiconductors, electronics, or advanced manufacturing. Proven experience negotiating contracts, managing suppliers, and driving cost optimization initiatives. Strong understanding of semiconductor materials and processes, including wafers, specialty gases, chemicals, photoresists, lithography, etching, and metallization materials. Strong analytical skills with experience using ERP/procurement systems and data analysis tools. Strong communication and stakeholder management skills with fluent English; German language skills are considered an advantage. 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. Find Jobs in Germany on Arbeitnow

Requirements: requirements and market conditions. To join our team, you should be excited to take ownership of: Develop and execute global sourcing strategies for semiconductor materials, including wafers, photoresists, CMP slurries, specialty gases, chemicals, and other critical materials. Identify, qualify, and manage strategic suppliers while ensuring alignment with technology roadmaps, quality standards, and production requirements. Negotiate contracts, pricing, and commercial terms to achieve cost targets while securing reliable supply. Monitor semiconductor material markets, supplier performance, pricing trends, and supply chain risks to identify opportunities and mitigation strategies. Collaborate with R&D, process engineering, quality, and manufacturing teams to align material requirements with technology and production needs. Support new product introductions by sourcing materials that meet emerging process requirements and scalability targets. Drive cost optimization initiatives through supplier development, data analysis, and total cost of ownership improvements. Manage procurement performance, supplier relationships, and reporting activities to support business objectives. Your Profile Bachelor’s or Master’s degree in supply chain management, engineering, physics, materials science, business, or a related field. 5+ years of experience in procurement, strategic sourcing, or supply chain management, preferably within semiconductors, electronics, or advanced manufacturing. Proven experience negotiating contracts, managing suppliers, and driving cost optimization initiatives. Strong understanding of semiconductor materials and processes, including wafers, specialty gases, chemicals, photoresists, lithography, etching, and metallization materials. Strong analytical skills with experience using ERP/procurement systems and data analysis tools. Strong communication and stakeholder management skills with fluent English; German language skills are considered an advantage. 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 drivi

requirements and market conditions. To join our team, you should be excited to take ownership of: Develop and execute global sourcing strategies for semiconductor materials, including wafers, photoresists, CMP slurries, specialty gases, chemicals, and other critical materials. Identify, qualify, and manage strategic suppliers while ensuring alignment with technology roadmaps, quality standards, and production requirements. Negotiate contracts, pricing, and commercial terms to achieve cost targets while securing reliable supply. Monitor semiconductor material markets, supplier performance, pricing trends, and supply chain risks to identify opportunities and mitigation strategies. Collaborate with R&D, process engineering, quality, and manufacturing teams to align material requirements with technology and production needs. Support new product introductions by sourcing materials that meet emerging process requirements and scalability targets. Drive cost optimization initiatives through supplier development, data analysis, and total cost of ownership improvements. Manage procurement performance, supplier relationships, and reporting activities to support business objectives. Your Profile Bachelor’s or Master’s degree in supply chain management, engineering, physics, materials science, business, or a related field. 5+ years of experience in procurement, strategic sourcing, or supply chain management, preferably within semiconductors, electronics, or advanced manufacturing. Proven experience negotiating contracts, managing suppliers, and driving cost optimization initiatives. Strong understanding of semiconductor materials and processes, including wafers, specialty gases, chemicals, photoresists, lithography, etching, and metallization materials. Strong analytical skills with experience using ERP/procurement systems and data analysis tools. Strong communication and stakeholder management skills with fluent English; German language skills are considered an advantage. Our w