student English-speaking jobs in Mülheim

Welding Process Engineer to support development, qualification, and execution of welding activities for structural components in railway applications (MIG, TIG, FSW). Ensures compliance with railway standards (EN 15085, ISO 3834) and customer requirements. Provides on-site technical support, troubleshooting, and root cause analysis.

Market Development Representative will lead development initiatives in selected strategic accounts, promoting and selling Medtronic Aortic devices and services.

Happy Mammoth seeks a part-time freelance Creative Strategist with a direct-response mindset for paid media (Meta-focused) campaigns. Develop performance creative strategy, translate data into creative decisions, and build testing roadmaps. Proven experience in performance marketing creative and direct-response copywriting required.

Development Engineer for Adhesive Technology will develop innovative adhesive technologies for optomechanical assemblies and complex systems in the semiconductor industry. Responsibilities include developing and qualifying adhesives, application processes, and equipment, and introducing developed technologies into series production.

Gain practical experience in biocatalysis at Bayer Crop Science. Support projects using microbiological, biochemical, and process-chemistry techniques. Contribute to the establishment and optimization of biocatalytic processes.

Develop new food concepts and ingredient solutions, conduct recipe formulation and evaluation, and assist in developing customer relationships.

As Chief of Staff to the CEO, you will drive strategic initiatives, support M&A and business development, and ensure operational excellence. You will partner with executive leadership to tackle complex challenges and optimize company operations.

Mechanical Lead to manage mechanical site delivery on a large data center construction project. Responsibilities include installation, plant coordination, subcontractor management, quality control, and commissioning readiness. Requires a degree in mechanical engineering or comparable qualification and 8+ years of experience in large project construction.

Solve large, complex real-world problems using ML, AI, NLP, RL, and distributed systems. Develop production-ready models and collaborate with tech and product teams.

Research Associate in Theoretical Chemistry / Computational Materials Modelling sought for a part-time, fixed-term position (3 years) at Friedrich Schiller University Jena. The successful candidate will conduct quantum-chemical calculations related to ammonia synthesis and solid proton conductors, characterize structures, and elucidate proton transport.

For our bilingual schools in Dreieich (near Frankfurt) as well as Frankfurt City we are looking for a School Counselor (in full-time or part-time).

As Trade & Customs Specialist, you will shape standards, manage customs authorizations, and oversee key compliance processes to ensure audit readiness. You will monitor bonded warehouse activities, fulfill AEO-C obligations, and act as a point of contact for customs authorities.

Sales Engineer to provide technical sales support for Absolute Security's Managed Service Provider (MSP) business in EMEA. The role involves working with Account Executives, Channel Account Managers, and Business Development Managers to drive revenue growth. Responsibilities include leading partner enablement, delivering technical sales presentations, executing Proof of Value engagements, and providing technical mentorship to MSP partners.

Electrical Engineer to join the Engineering team at Lohmann Animal Health GmbH. Responsibilities include ensuring reliable and safe operation of electrical infrastructure and power distribution systems. The role also includes acting as the site's primary expert for the Energy Management System (EnMS) in accordance with DIN EN ISO 50001.

Leads a regional team of BoD engineers, shaping project specifications for HVAC, Fire, Security, and BMS solutions. Drives specification influence across EMEA, translating specifications into a sustainable pipeline.

Senior HCM solution architect for Workday deployments. Leads end-to-end design, partners with executives, and drives design closure. Requires 10+ years of HCM experience, 5+ years in implementation consulting, deep Workday knowledge, and fluency in German and English.

Actuary responsible for reserving tasks under GAAP, IFRS, and Solvency II. Provides actuarial advice to CFO, Board, and Branches. Supports Risk Management, ORSA process, and Planning/FP&A. Requires a university degree in actuarial science, mathematics, statistics, or related field with experience in actuarial reserving (ideally motor).

Systems Engineer will join KLA's RAPID division, a leading provider of reticle inspection solutions for the semiconductor industry.

As a Working Student, you will support the Voice of the Customer (VoC) program, turning customer feedback into actionable insights. You will manage customer surveys, analyze results, and create reports for stakeholders.

Drive sales of high-value capital equipment within the Enabling Technologies portfolio. Manage existing accounts and identify new business opportunities. Lead complex sales cycles, build business cases, and negotiate contracts.