werkstudent English-speaking jobs in Cologne

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.

The HR Business Partner 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.

Experienced Strategic Sales Lead to drive commercial growth of software solutions. Identify and engage potential buyers, partners, and strategic customers. Develop and execute sales strategies for complex B2B software solutions.

Senior AI Engineer to design, implement, and maintain GenAI-based solutions. Requires expertise in cloud technologies (Google Cloud), MLOps, AI/LLM/agent technologies, and Python. Strong communication and collaboration skills are essential.

Leads a team of Business Development Representatives (BDRs) for the DACH, CEE, and Nordics regions. Develops and implements go-to-market strategies, optimizes lead routing and data enrichment, and provides predictive insights on market trends.

Designs, configures, and implements customer solutions on the Ailance platform. Translates business requirements into actionable solution concepts and supports implementation projects.

Science Technician / Lab Assistant will support secondary teachers and students in the science department. Responsibilities include preparing and maintaining laboratory equipment, assisting with experiments, and managing laboratory stock. Requires a degree or technical training in a relevant scientific field and practical experience managing laboratory environments.

Senior NVH Engineer Wind Turbines analyzes noise emissions from wind turbines using simulation and measurement techniques. Develops design modifications to reduce noise and vibrations. Collaborates with engineering teams to integrate NVH optimization measures. Supports field testing and certification processes.

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.

Coordinate new product introductions into manufacturing, ensuring compliance with LEAN principles. Collaborate with engineering, manufacturing, purchasing, and quality throughout the product lifecycle. Develop and implement new manufacturing procedures and equipment. Analyze DFM and DFA requirements.

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.

As a Junior Solutions Manager, you will support the sales organization by ensuring technical correctness of workflows and leveraging expertise in hardware, back-end systems, and SaaS to win business. You will qualify customer needs, create technical content for tenders, and deliver product demonstrations.

IT Security Manager responsible for establishing, operating, and developing the ISMS (ISO 27001, TISAX). Defines and implements security policies, conducts risk analyses, manages incident response, and plans audits. Requires a degree in computer science, IT security, or a related field and several years of experience in IT/information security.

Electrical Engineer (m/f/d) will create test specifications, coordinate acceptance tests, operate equipment, evaluate results, and analyze deviations. Requires a degree in electrical engineering or equivalent, experience in the transformer sector, and knowledge of measurement technology. Fluency in German and English is required.

Provides on-site installation, commissioning, repair, and maintenance of energy storage systems. Addresses technical issues, offers customer support, and collaborates with teams on improvements.

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.

Nebius Academy is an educational platform that helps experienced software developers stay at the forefront of technological innovation. We create specialized courses that teach professionals how to effectively use AI tools in real-world development workflows.

Blue Card Agency seeks a German-qualified lawyer for a strategic legal partnership. Lead a legal team, manage cases, and contribute to legal strategy development. Must be fluent in German and Russian. Partnership format with equity participation possible.

DevOps Engineer / Administrator (f/m/d) will manage the IT infrastructure for the Lower Saxony judiciary. Focus will be on the administration and development of the container platform (e.g., Kubernetes, GitLab, Kasten IO) based on RedHat OpenShift.

Ensures availability, stability, security, performance, and scalability of BI/ML platforms. Designs and operates data platforms based on container technologies in cloud and hybrid environments. Automates and optimizes processes using CI/CD pipelines, GitOps, and Infrastructure-as-Code.