student English-speaking jobs in Gelsenkirchen

Optical Packaging Engineer to shape photonic semiconductor packaging. This role involves taking ownership of optical assembly and packaging processes from concept to industrialization, working with advanced optical components.

Assembler needed to support the manufacturing of wafers, reticles, integrated circuits, and other electronic components.

Loader Unloader for nightshift, parttime. Tasks include loading/unloading aircraft and truck containers, and sorting/scanning parcels. Requires good German or English skills and willingness to do physically demanding work.

Global Head of Application Management Finishing oversees all application activities in the Finishing segment. This role delivers global application services, manages requests, and leads technical teams to support sales and portfolio management.

Risk Analyst B2B joins the Risk Analytics team to mitigate risk in B2B customer affordability and solvency. Responsibilities include redesigning underwriting models, improving data analysis, and building multi-country credit frameworks.

Procurement Specialist for Facility & Construction Services drives the Sales Market procurement strategy. Responsibilities include securing a compliant supplier base, managing agreements, and supporting the full procurement cycle. Requires 3+ years of relevant experience.

Manage utility-scale renewable energy projects from ready-to-build through commissioning. Coordinate stakeholders, manage technical/commercial interfaces, and ensure safe, on-time, and on-budget delivery. Requires relevant experience in PV, wind, or BESS.

Build and scale the in-house tax function, overseeing global compliance for income, sales/use, VAT/GST, and international tax. Lead a small team, develop tax strategy, and manage external advisors.

Drive Application Security strategy and embed Security-by-Design across international development teams. Define standards, conduct risk assessments, and integrate security tools into CI/CD processes.

Lead global legal strategy for partner arrangements, ecosystem expansion, and B2B growth. Own contract strategy, risk allocation, and build scalable legal infrastructure for complex partnerships.

Product Intelligence Sensory Manager (m/f/d) At JTI we celebrate differences, and everyone truly belongs. 46,000 people from all over the world are continuously building their unique success story with us. 83% of employees feel happy working at JTI. To make a difference with us, all you need to do is bring your human best. What will your story be? Apply now! Learn more: jti.

Lead global Security Architecture strategy and governance for a multinational organization. Own enterprise standards, embed security-by-design, and advise senior stakeholders on cloud, AI, and Zero Trust. Requires 10+ years in information security with leadership experience.

Digital FPGA Developer needed to design, implement, and verify FPGA-based digital systems. Requires 3+ years of experience, strong knowledge of SystemVerilog, and proficiency in Matlab/Simulink.

This role provides end-to-end office administration and supports day-to-day HR tasks for local employees. Responsibilities include managing office routines, procurement, and vendor liaison, as well as assisting with recruitment, onboarding, and HR operations. Requires a bachelor's degree, 1-3 years of experience, and fluency in English and German.

Director of Sales to own global sales strategy for OrbitCloud and Silta. Build and lead an international sales organization targeting government, defense, and commercial customers. Requires 8+ years in complex B2G/B2B sales.

Senior Java Developer needed to design and maintain complex backend applications using Java and Spring Boot. Requires 5+ years of Java experience, knowledge of CI/CD, Docker, and Agile methodologies.

Lead IT Service Operations across EMEA to restore execution discipline, strengthen manager effectiveness, and improve employee engagement while maintaining operational stability. Drive service excellence and collaboration within a global matrix.

Freelance lecturer to teach data science fundamentals including feature engineering, feature selection, predictive modeling, and data quality. Design courses using provided materials and conduct on-site teaching sessions.

Experienced CFO to lead financial planning, budgeting, and liquidity management for a fast-growing, private equity-backed dental platform. Drive buy-and-build strategy, manage acquisitions, and support operational transformation initiatives. Strong healthcare and financial modeling experience required.

Head of Key Account Management to shape and manage the Key Management team across Region Europe. Drive existing business performance by steering sales strategy, achieving targets, and expanding the client base. Requires 10+ years leading high-performing sales teams.