student English-speaking jobs in Gelsenkirchen

The Site EHS Manager manages, develops, and implements Environment, Health & Safety activities at a manufacturing site. This role drives corporate standards and continuous improvement in EHS performance, strengthens safety culture, and partners with site leadership to reduce operational risks.

Laka is seeking a Sales Lead - German Speaking to identify and build commercial partnerships in German-speaking markets. This full-cycle role involves identifying prospects, closing deals, and managing accounts. Requires fluency in German and English, deep bike industry knowledge, and 5+ years of B2B sales experience.

Product Manager for PAT Advanced Process Control will develop business models, value propositions, and price positioning for a hardware, software, and professional service portfolio. This role requires deep understanding of customer workflows, market trends, and competitive landscape. The Product Manager will manage the product lifecycle, lead cross-functional teams, and influence product-related decisions.

Internship in French Communication & Content Marketing. Create and maintain product content, manage digital marketing campaigns, and provide customer service in French. Fluency in French and English required.

Support exciting projects in Marketing Excellence, Digitalization, and AI across a global B2B organization. Contribute to initiatives focused on data quality, process optimization, and continuous improvement. Analyze business and marketing data and help turn insights into action.

Lead FZS's global efforts to combat illegal gold mining in and around protected areas by driving policy change, influencing global markets, and strengthening international partnerships. Shape international policy, build relationships with financial institutions and regulators, and advocate for stronger due diligence frameworks. Engage with gold buyers, refiners, and downstream actors to promote responsible sourcing and traceability. Develop strategic partnerships with NGOs, research institutions, and civil society organizations. Coordinate advocacy efforts, represent FZS at international events, and contribute to the FCC Working Group on Illegal Gold Mining Threats for Protected Areas.

HOLOEYE Photonics seeks an R&D Engineer to design and simulate optical micro- and nanostructures for diffractive optical elements. Responsibilities include generating manufacturing data, analyzing characterization measurements, and optimizing designs. Requires a STEM degree, understanding of optical principles, programming experience (Python, C++, or MATLAB), and strong analytical skills. Fluent English and German required.

Quality Management and Continuous Improvement Process (CIP) Engineer responsible for quality management, handling quality incidents, and implementing corrective actions. Requires a degree in Industrial Engineering, Mechanical Engineering, or a comparable field, and solid knowledge of quality management and CIP processes.

Electrical Engineer (m/f/d) will further develop hardware, configure and test systems, and plan logistics for construction site deployment. Must understand communication systems, 4G/5G networks, and have strong written and spoken German and English skills.

This doctoral project at INM focuses on developing sustainable, fluorine-lean liquid electrolytes for sodium-ion batteries. The candidate will design and benchmark electrolyte systems, optimize formation protocols, and analyze interphase chemistry and transport at solid-liquid and solid-solid-liquid interfaces.

A PhD position is available at the DKTK partner site Munich, investigating the molecular mechanisms of small cell lung cancer progression, metastasis, and therapy resistance. The project focuses on MYC-dependent transcriptional and epigenetic regulation of enhancer networks.

Lead full-cycle recruitment processes, source candidates, and partner with hiring managers to define role requirements and develop sourcing strategies. Support strategic searches, including potential Managing Director recruitment. Advise stakeholders on talent market trends and competitive hiring practices. Manage recruitment data, applicant tracking systems, and reporting. Contribute to employer branding initiatives and recruitment marketing. Design, implement, and improve strategic recruiting processes across all country entities. Report to the Head of HR, Solar Trade EMEA.

The IBM Business Development Manager develops and executes business plans, drives revenue growth, and expands market reach for Arrow's IBM business. This role involves partner management, vendor relationship leadership, and sales enablement activities.

As the global market leader of automated test systems in the semiconductor industry we help the world to realize the digital transformation, enable our customers to shape the future and offer you the exciting jobs intended for pioneers. Are you seeking answers and opportunities for your future?

Leads the Independent Aftermarket portfolio for the full Clarios product line, driving product strategy, lifecycle management, and market success across EMEA. Manages a team of five product specialists and analysts, collaborating cross-functionally to support launches and lifecycle activities. Reports strategy, results, and plans to C-level management.

Customer Service Advisor needed for Collecting Cars and Watch Collecting businesses. Provide excellent customer service across the EU and internationally, assisting with pre and post-auction inquiries. Fluency in French, Italian, and English required.

Leads and manages the Human Resources function across Europe and Latin America, driving key initiatives including recruitment, training, organizational design, and performance management. Ensures HR strategies align with business objectives while maintaining compliance with local labor laws.

Join our warehouse team and prepare customer orders for shipment. Duties include selecting, packing, and shipping orders, receiving and putting away inventory, and operating powered industrial trucks. Must be 18 years or older and proficient in German, English, or Arabic (SCN2 location only).

Working Student, Marketing TMTT will support the organization and execution of round tables and commercial sponsorship activities. Responsibilities include creating purchase requisitions, preparing presentations and reports, and contributing to event planning. The ideal candidate is currently enrolled as a student, possesses strong communication and organizational skills, and is proficient in Microsoft Office Suite.

Senior CAMO Engineer responsible for ensuring fleet airworthiness, managing maintenance programs, and evaluating airworthiness requirements. Requires a Bachelor's degree in a related field or EASA Part-66 license with experience in Part-CAMO and helicopter maintenance.