student English-speaking jobs in Gelsenkirchen

Senior Infrastructure Engineer to lead and shape on-prem Linux and Proxmox-based infrastructure. Requires strong Linux administration, virtualization (Proxmox preferred), and datacenter experience. Focus on automation, mentorship, and driving technical direction.

Supports the R&D Chemistry Team with synthesis and analysis. Manufactures and packages chemical kits, including labeling. Operates and monitors the para-hydrogen production system. Documents all production and packaging processes.

Senior Electronics Engineer needed for challenging projects requiring analytical skills, firmware understanding, and experience with motor control systems, power electronics, and communication protocols. Must have experience with schematic design, PCB layouts, and testing.

As Chief Operating Officer, you will own end-to-end company operations, translating strategy into execution and ensuring the organization scales. You will lead financial operations, establish governance frameworks, and drive cross-functional alignment.

Manage daily customer communication for after sales services in North Africa. Prepare service and maintenance quotations, support tenders, and drive process optimization.

Lead and support strategic and operational projects to boost future business across functions and regions. Develop, harmonize, and govern global innovation processes and decision forums.

Senior Sales Manager (gn) responsible for acquiring new B2B customers across the European cosmetics market. Develop and execute regional sales strategies, manage the full sales cycle, and coordinate international customer projects.

Perform inspection, troubleshooting, repair, and quality control on e-bikes. Prepare e-bikes for customer delivery and maintain the in-house fleet. Contribute to process improvement and support warehouse operations.

Guide students of all ages in improving their physical wellbeing, flexibility, and mindfulness through yoga practice. Deliver personalized 1-to-1 or small group sessions tailored to each student's level and goals.

ATIA Ltd seeks reseller companies to find clients needing IT systems, web applications, or ISO standard services. Partners receive 20-30% of project value or set their own price on a base price provided by ATIA.

EIIET Berlin seeks a motivated administrative and sales assistant to support daily office operations, student inquiries, admissions, and sales activities.

The NUCLEATE Excellence Cluster at the University of Würzburg seeks PhD or Postdoctoral Researchers in nucleic acid sciences and technologies. Applicants for a PhD position must hold a Masters degree, while postdoctoral applicants require a doctoral degree in a relevant field.

PhD student conducting scientific research in aerosols, surfaces, and aqueous solutions. Develop computational models, analyze experimental data, and collaborate in interdisciplinary teams.

Experienced Chief Operating Officer needed for a high-growth Fintech company. Will shape and oversee systems, processes, and people to support business operations and growth. Requires deep understanding of FinTech, software development, and operations management.

Design and develop safety contracts for autonomous systems, ensuring safe interaction between decision-making and control. Utilize machine learning and control theory to derive safety contracts from real-world data. Translate research findings into applications, particularly in vehicle motion control and autonomous driving.

Leads a large, distributed engineering organization responsible for ambulatory SaaS solutions and framework modules. Drives the strategic product-technology roadmap for cloud-based ambulatory products in collaboration with executive leadership. Ensures healthcare regulatory compliance is embedded in product development and operations.

Administers cosmetic medical procedures to cruise ship guests. Must possess clinical knowledge to administer procedures safely and effectively. Explains procedures and products to guests. Works with the Medi-Spa Sales Consultant on sales, marketing, and promotion. Provides excellent customer service and promotes other spa services. Follows OneSpaWorld's medi-spa protocols and sanitation policies. Completes medical records for each guest.

Publicis Re:Sources seeks a Tax Director for the DACH region to manage tax compliance, reporting, and advisory activities across Germany, Austria, and Switzerland. The role covers direct taxes, VAT, transfer pricing, and serves as a key point of contact for the business, finance, external advisors, and tax authorities.

Strategically develop and manage international key accounts in the data center segment. Build and maintain long-term customer relationships at C-suite level. Co-develop and implement the central segment strategy for data centers.

Client Accountant to coordinate financial matters for international clients, providing bookkeeping, reporting, and audit coordination support.