student English-speaking jobs in Gelsenkirchen

Mechanical design and/or stress engineer to develop core mechanical subsystems for a next-generation drilling system. Conduct FEA analysis, build prototypes, and support testing and validation.

Senior Scientist to contribute to the development of bioelectrochemical technology for enhanced biomethane production. Responsibilities include defining research questions, designing experiments, and translating scientific outcomes into actionable decisions. Requires expertise in applied bioelectrochemistry, anaerobic digestion microbiology, and scale-up awareness.

As a Mid-Senior Full-Stack Developer, you will develop high-performance, scalable applications and actively shape our systems. You will work on the frontend and backend using modern technologies, collaborating with Product, Design, and Marketing to translate business requirements into technical solutions.

Product Assurance Manager needed for space technology programs. Drive quality standards, lead Product Assurance activities, and ensure compliance with requirements throughout the project lifecycle.

The Martian Mindset Cluster of Excellence at the University of Bremen invites applications for two independent postdoctoral research positions. Successful candidates will lead independent research projects with full scientific and budgetary autonomy. Applicants must have a PhD (or proof of imminent completion) in any field relevant to The Martian Mindset and a convincing 3-year research program.

Experienced Inspector (m/f/d) required for offshore wind project in the German North Sea. Responsibilities include conducting inspections, participating in tests, and ensuring compliance with project standards. Requires a completed degree in a relevant field, several years of experience in automation, telecom, or electrical substation systems, and fluency in English.

Support product development for plant-based and hybrid food products through formulation, prototyping, and testing. Assist with recipe development, sensory evaluations, and product trials. Collaborate with cross-functional teams and contribute to data documentation and project tracking.

Senior System Administrator will act as onsite technical lead for the Berlin office, providing 2nd-level support, managing Microsoft 365 and server infrastructure, leading IT projects, and coordinating with stakeholders.

The Chief Information Security Officer (CISO) will manage company-wide information security, particularly in the KRITIS environment. The CISO will report directly to the Executive Board and shape the development of security and risk structures.

Services and repairs military weapons and weapon support systems in a secure facility. Performs field level maintenance, diagnostics, and repairs according to technical specifications.

Product Designer will work within cross-functional pods to design solutions for restoration work involving multiple stakeholders. Responsibilities include user research, synthesis, and design across various personas. Must have German & English C1 or better for on-site research.

The Invoicing Coordinator will review and process purchase invoices, reconcile goods receipt documents, and handle accounts receivable. They will also maintain data in the Business Central ERP system and review customs clearance invoices.

Senior Data Analyst to develop analyses of simulation, sensor, and test data for the Defense Metaverse. Develop metrics, pipelines, and reports to assess tactical performance, AI behavior, and system responses. Requires 10+ years of experience in data analytics, proficiency in Python, SQL, and experience with complex technical data. Must have a genuine interest in defense and security.

Leads commercial negotiations, manages key accounts, and drives business growth. Manages the full RFQ process, pricing strategy, and program execution. Collaborates cross-functionally to achieve cost and timeline targets.

We are seeking a Team Leader (m/f/d) for our IT Department / User Help Desk & Infrastructure Team to start as soon as possible.

Drive new business in the UK and Ireland markets. Own the full sales cycle for new customers. Build qualified enterprise pipeline through outbound activities, SDR collaboration, and inbound activities. Manage multi-stakeholder sales processes with clear value-based positioning. Lead value-based enterprise sales conversations with Procurement, Sustainability and Compliance, C-level, and other key stakeholders. Shape a modern sales approach using strong sales fundamentals and openness to new methods, tools, and AI-supported ways of working.

The Human Resources Business Partner (HRBP) DE/CH aligns employee engagement, performance, and organizational capability with business success in Germany and Switzerland. The role requires experience collaborating with the German Works Council and deep knowledge of German co-determination requirements. The HRBP acts as a trusted advisor, employee champion, and change agent, partnering with business leaders, employee representatives, and external service providers.

Technical editor responsible for electrical design and installation of control cabinets. Requires completed apprenticeship as an electronics technician or comparable training and experience in switch cabinet construction.

Design, set up, and operate core cloud infrastructure. Integrate cloud services into the Developer Platform, including FinOps. Implement infrastructure as code using Terraform, OpenTofu, and Crossplane.

Own the full picture of fashion e-commerce at momox. Drive assortment planning, develop merchandising strategies, and analyze market trends. Collaborate cross-functionally to optimize product presentation and ensure customer satisfaction.