Student English-speaking jobs in Mülheim

Conduct and lead ethical hacking and red team activities across Siemens' landscape, including IT, OT, and software. Apply advanced hacking principles to mimic real-world threats. Requires 7+ years in penetration testing/red teaming.

Technical IBM i (AS/400) Release Coordinator responsible for planning and executing end-to-end software releases for DMS environments. Own release content, track versions, and manage staged rollouts while ensuring minimal business disruption.

IT & Administration Coordinator supports internal IT and office operations for a global manufacturer. Responsibilities include 1st-level IT support, contract management, and car fleet administration. Requires strong Korean and English skills.

This hands-on role focuses on Talent Acquisition, end-to-end recruiting, and building talent pipelines. Responsibilities also include employee development, engagement, and supporting international HR processes. Fluent German and English are required.

Associate in Technology and Financial Audit focus Safety. Perform audit programs, evaluate controls, and recommend improvements across technology and finance topics. Requires 3-5 years of experience and knowledge of EHS practices.

Design and maintain core backend services focusing on digital identity and wallet components. Implement secure, standards-compliant wallet functionality using SSI, DIDs, and verifiable credentials. Requires backend experience, strong programming in Java or C#.NET.

Own the operational readiness and traceability of unmanned air and land systems. Manage the full asset cycle, including inventory, configuration, and logistics for demos and training. Requires technical or logistics experience and English fluency.

Develop and implement sensor systems for demanding industrial inspection applications. Translate customer requirements into system architectures, focusing on ultrasonic technologies and signal processing. Define, plan, and manage verification and validation tests.

PhD Candidate role in Materials Science focusing on Spectroscopy. Responsibilities include designing and conducting in situ/operando experiments, analyzing data, and contributing to research. Requires a Master's in chemistry, physics, materials science, or chemical engineering.

Senior Full-Stack Engineer co-owns platform areas end-to-end, guiding development using AI agents. Requires experience with web frameworks, databases, and AI coding tools. Focus is on architecture and user needs.

Support the Private Debt team by analyzing and executing fund investment opportunities across various credit strategies. Utilize data analytics tools like Power BI, Python, R, or SQL. Must be a current Master's student with a relevant undergraduate degree.

Software Developer for Test and Simulation Framework. Design and develop software in ADA and C++ for avionic simulations. Experience in simulation or avionic software development is key.

Working at Freudenberg: We will wow your world!

Lead the engineering department, shaping technical direction and building a high-performing culture. Responsibilities include strategic roadmapping, team leadership, and managing the engineering budget. Requires 5+ years leading diverse engineering teams.

Logistic Coordinator role involving tracking deliveries, managing inventory, and coordinating with suppliers and internal teams. Requires logistics experience, SAP/MS-Office skills, and a valid German driving license.

Senior Backend Engineer (IoT) develops and maintains Toniecloud IoT services, focusing on Django, Python, and IoT messaging. Key tasks include ensuring 24/7 reliability and building robust APIs for millions of users.

Lead Maintenance & Operations Supervisor for a new high-tech surface treatment plant. Responsibilities include ensuring operational stability, managing technical teams, and overseeing 24/7 operations. Experience with automated systems is key.

Working Student/Intern for People & Culture Marketing and Employer Branding. Develop social media content, support recruiting and events, and manage the careers inbox while ensuring data compliance. Requires enrollment in a Bachelor's or Master's program.

The Interroll Group seeks a Lean Manufacturing Manager to oversee operations for a global provider of material-handling solutions. This role supports various industries using Interroll's products and services.

Operate industrial equipment for floor care, deep clean restrooms and common areas, and maintain exterior grounds. Requires ability to perform duties after brief instruction and A2 English proficiency.