student English-speaking jobs in Gelsenkirchen

The Technical Consultant CST supports surgeons and operating room personnel with surgical and perioperative questions. This role drives commercial sales activities for navigation, imaging (O-Arm), robotics, and the spinal product portfolio. Responsibilities include technical support in the operating room, product application and specification advice, identifying sales opportunities, and training hospital staff. The position requires a background in a commercial, scientific, or medical field, knowledge of the medical market, and experience in neuromodulation. Excellent communication and interpersonal skills are essential.

Freelance Scheduler needed for a major US technology company's large-scale construction project in Munich. Develop, maintain, and update project schedules, monitor progress, and collaborate with project teams. Requires proven experience scheduling large-scale construction or real estate projects, advanced MS Project skills, and professional proficiency in German and English.

Provide expertise and clinical support on TMTT devices, procedures, and protocols during cases. Grow market share by identifying and closing new sales opportunities within the TMTT portfolio.

Senior Business Implementation Analyst will analyze energy trading activities and new products, translate business requirements into technical solutions, and coordinate implementation. Requires a university degree in a relevant field, at least 5 years of experience in energy, commodity, or financial trading, and strong communication skills.

Lead, coach, and grow a team of full-stack engineers responsible for the talent side of the Zenjob marketplace. Shape the roadmap, break down initiatives, and ensure predictable, high-quality delivery. Engage deeply with the product, advocate for AI-driven engineering, and stay hands-on with system design and code review. Drive operational excellence, hire engineers, and collaborate with stakeholders to align the supply side with company goals.

Drive the execution and delivery of complex technical product initiatives across engineering, product management, and supply chain operations. Coordinate teams, manage project timelines, track progress, and resolve issues.

Production Scientist to own and optimize preparative liquid chromatography processes for antibody-nucleic acid conjugate production. Requires experience with FPLC, IEX, SEC, bioconjugation, and ISO 13485.

Project Procurement Manager will lead a team, manage procurement duties, and guide the supply chain to become a strategic partner. Responsibilities include leading supplier performance management, implementing procurement strategy, and ensuring timely reporting. Requires 3+ years' experience, negotiation skills, and a third-level qualification.

Assembler assembles fabricated parts, tests and calibrates them to meet specifications, and repairs defective units. Requires a 3.5-year vocational training and experience assembling parts and building products.

Technical Trainer to develop and deliver product, solution, and certification training to partners, customers, and internal teams across Germany, Austria, and Switzerland.

Administrative Officer needed for Operations department in Germany. Manages office communications, mail, supplies, travel arrangements, and provides support to management. Requires excellent English and German language skills and proficiency in Office Suite.

Experienced Project Manager needed for utility-scale solar PV and BESS projects in Germany. Manage projects from execution to completion, ensuring on-time, on-budget delivery. Requires 4-5 years' experience, German C1 level, and willingness to travel.

The Procurement Specialist will support and optimize procurement activities within the Label Division. Responsibilities include demand analysis, managing the purchasing process, identifying new suppliers, and collaborating with internal and international stakeholders.

Experienced HSSE Experts (f/m/d) are needed for a major industrial construction project in Saarland, Germany. Responsibilities include identifying safety risks, conducting site inspections, reviewing documentation, and coordinating contractors.

Lead and grow a DevOps team, defining best practices and building CI/CD pipelines for FPGA, Embedded, and software projects. Automate workflows, improve infrastructure reliability, and drive adoption of modern engineering practices.

HR Business Partner to support and develop HR processes in Germany and Austria. Responsibilities include payroll processing, employee support, personnel file management, and employment law consultation. Requires knowledge of payroll and employment law, at least 5 years of experience, and fluency in German and English.

Recruitment Consultant to manage full recruitment lifecycle for European roles. Experience in recruitment, headhunting, or RPO delivery is required. Fluency in English and Chinese (Mandarin) is preferred. Bachelor's degree or above in a related field.

As Senior Asset / Portfolio Manager, you will manage a portfolio of renewable energy assets (Solar/Wind/BESS) across Europe, ensuring optimal performance and long-term value creation. You will act as the functional lead, steering stakeholders and ensuring alignment across technical, commercial, and financial functions. You will represent the shareholder perspective at SPV level, including managing director mandates.

Develop, maintain, and enhance treasury applications ensuring high availability and compliance with banking standards. Requires 7+ years of experience in banking application development and support, with expertise in Kondor+, Corona, Sybase ASE, Python, Groovy, and KornShell.

Lead and develop a sizeable German payroll operation, ensuring accurate and compliant payroll services. Manage a team of 24 employees and two Team Leads, driving performance and continuous improvement. Lead payroll technology transformation initiatives, including system migrations and process optimization.