student English-speaking jobs in Mülheim

Manages global HR operations, including payroll, employment models, and HR IT systems. Develops and implements scalable HR structures, ensures data consistency, and oversees core HR processes. Requires a minimum of 7 years of experience in international HR operations, in-depth knowledge of global payroll, HR-IT systems, and EOR structures.

Senior Software Developer will implement backend and frontend features in a Python microservices environment. Responsibilities include maintaining codebase, optimizing performance, developing new services, and collaborating in agile ceremonies.

Risk Analyst - Client Underwriting (m/f/d) for a limited contract. Join the team in Verl or Berlin with flexible working conditions.

Nexaro, a tech start-up and Vorwerk Group member, seeks a Sales Manager to focus on distributors in Western and Southern Europe.

DevOps Engineer needed for a high-tech German engineering company. Responsibilities include CI/CD pipeline setup and optimization, GitLab workflow management, and automation of build, test, and deployment processes. Requires experience with .NET, C++, Windows and Linux systems, and automation tools.

Lead the technical vision and strategy for a fast-scaling deep tech company building safety-critical software. Scale the engineering team, recruit and mentor technical leadership, and translate customer feedback into product direction.

Develops and optimizes vulnerability and exposure management capabilities. Operates and enhances Tenable-based security tools. Analyzes vulnerabilities and implements remediation strategies. Leads penetration testing activities across various environments. Collaborates with teams to support risk prioritization and security implementation.

Executive Assistant to support a Senior Partner and their team in Munich. Manage a complex international travel schedule, optimize diary management, and coordinate meetings. Previous experience supporting senior leaders in a fast-paced corporate environment is required.

Support the Advanced Hydrogen Technology Team at Sungrow European Research Institute in industrial R&D development for clean energy solutions. Tasks include lab activities, data analysis, scientific report writing, market research, and collaborating with the scientific team.

Senior Finance & SAP Solutions Expert will define, drive, and deliver financial solutions and optimized end-to-end processes. Responsibilities include enabling smooth decision-making, ensuring robust testing strategies, defining automated closing processes, and providing support for complex issues in relevant ERP systems.

Working student (up to 20 hours/week) to support the Research & Development department. Must be enrolled in a German university, preferably in a STEM field, with English (B2 minimum) and German language skills.

Provide onsite IT support, including hardware setup, troubleshooting, and user assistance. Manage IT tickets and collaborate with the IT team on operational tasks.

Tieto Tech Consulting seeks an experienced SAP Solution Architect to drive innovation across customer SAP landscapes.

Working Student—Finance – Time & Billing supports the Time & Billing unit in Munich, managing contracts, timekeeping, and invoicing for German and Austrian offices. Tasks include processing contracts, creating reports, and handling inquiries.

Manage all aspects of travel for clients, providing support, consulting, and advising on travel solutions. Utilize GDS, particularly Sabre, and Freshdesk. Ensure client travel policies are adhered to and SLA's and KPI's are consistently met.

The International Tax Compact (ITC) Secretariat seeks an intern to support the Addis Tax Initiative (ATI) and the Network of Tax Organisations (NTO). The intern will implement and develop the ATI, organize events, assist in research and drafting, and support external communication.

Field Clinical Specialists provide guidance on THV device use, enabling physicians and staff to achieve expert proficiency and deliver positive patient outcomes. This role collaborates with multiple departments and requires extensive training.

Physics Lab Technician / Application Engineer needed to support research and development. Responsibilities include operating equipment, conducting experiments, and preparing reports. Experience in a laboratory setting and handling small volumes of fluids is required.

Working Student will integrate auxiliary systems into test vehicles, fabricate wiring harnesses, design mechanical prototypes, and perform diagnostics and repairs. Requires a major in Computer Science, Data Engineering, Electrical/Mechanical Engineering or comparable field, understanding of vehicle networks, and experience in modeling vehicle control actuators.

This finance leadership role combines internal financial governance, SaaS/Cloud business steering, and CRM controlling with strong commercial partnering for digital sales programs. You will act as a trusted finance partner for business management, Growth & Operations leadership, and sales organizations, enabling data-driven decision making.