java English-speaking jobs in Mainz

Working Student (m/f/d) to support Facility Management team in daily operations and administrative tasks. Assist with maintenance and repair coordination, project execution, and documentation.

Advantest seeks an Analog & Power Electronics Design Engineer to develop power and precision measurement electronics for test systems. Responsibilities include specification, modeling, implementation, verification, and testing of electronic circuits. The ideal candidate will have a degree in Electrical Engineering, experience in Analog & Power hardware design, and knowledge of power modeling and measurement techniques.

Senior Health & Safety Consultant needed for a two-month construction project in Rheinberg, Germany. Must have a valid SiGeKo qualification and be available to start August 3, 2026. Responsibilities include monitoring safety standards, coordinating with contractors, conducting inspections, and ensuring compliance with German safety legislation.

Ensure smooth processes and maintain clean workspaces in a fast-paced catering environment. Provide excellent service and contribute to a positive guest experience.

The ULMTeC Core Facility Organoids seeks a Technical Assistant/Research Technician to support the establishment, expansion, and characterization of patient-derived organoid models. Responsibilities include organoid culture maintenance, assay execution, and documentation. Applicants should have a vocational training or Bachelor's degree in a relevant life-science field and experience in mammalian cell culture.

This role involves commissioning, diagnostics, and maintenance of low-voltage power distribution systems. Responsibilities include on-site troubleshooting, system performance evaluation, and customer training. The ideal candidate has hands-on expertise in low-voltage electrical systems and a relevant engineering degree or apprenticeship.

Develop and optimize manufacturing processes for metal liners, ensuring scalability, automation, and efficiency. Support new product development and drive quality and efficiency improvements.

The Client Advisor builds relationships with Burberry clients, delivering a personalized and elevated experience. The role involves meeting and exceeding sales targets, providing expert product and styling advice, and contributing to the daily operations of the store.

The HR Leader DACH, Country & Plant for Germany will lead HR for a global manufacturing company's German operations and across DACH (Germany, Austria, Switzerland). This dual-role combines Country HR leadership (60%) and Plant HR leadership (40%). Responsibilities include building organizational capability, supporting operational excellence, leading a high-performing team, and ensuring compliance.

Execute KJUS sales strategy across ski, golf, and lifestyle categories in Central and Southern Germany, focusing on wholesale and B2B channels. Drive sales growth, manage budgets, and strengthen brand presence. Analyze market trends, manage showroom operations, and provide product knowledge training.

The Head of Communications leads BCI's global communications strategy, shaping the organization's public profile and messaging. This role oversees communications planning, media engagement, editorial content, and digital storytelling, aligning all outreach with BCI's mission and policy objectives.

Senior SAP SD/OTC Functional Consultant required for global transformation projects. Focus on optimizing pricing, rebates, incentives, and revenue management processes.

Develop and optimize SAP S/4HANA Production Planning landscape. Contribute to end-to-end process optimization across PP, MM, PP/DS, and IBP. Implement automation, digitalization, and AI solutions.

Associate to support infrastructure investments across Europe and North America. Responsibilities include financial modeling, due diligence, investment committee materials, and portfolio monitoring.

Experienced Registered Nurse (Pflegefachkraft / Gesundheits- und Krankenpfleger) with minimum 3 years' inpatient care experience sought for a full-time, permanent role. Responsibilities include clinical case management, communication and coordination with German healthcare providers and international medical teams, patient advocacy, and quality assurance. Must be fluent in German and English, possess strong communication skills, and have a valid driver's license.

Senior leader to govern and steer a growing portfolio of data center construction programs in Germany. Provides strategic direction, delivery governance, and client interface across multiple projects.

As Senior Production Manager, you will lead Production, Device Testing, and Manufacturing Engineering, ensuring quality standards, production targets, and shift planning. You will develop procedures, manage budgets, and recruit, develop, and manage personnel.

Lead, develop, and mentor a finance team overseeing financial accounting and finance operations for a German entity within a growing international organization. Manage financial reporting, budgeting, forecasting, and cash flow planning.

CNC Machinist with experience operating Fanuc lathes. Sets up and configures CNC machining centers, runs and optimizes programs, performs quality control, and supports process optimization.

Test Engineer with Chinese to conduct end-to-end testing of automotive cockpit systems, including infotainment, dashboards, and driver assistance systems. Responsibilities include designing, executing, and maintaining test cases, ensuring functionality in various conditions, and collaborating with development teams. Requires a driver's license, fluency in English and Chinese, and experience in automotive cockpit testing or a willingness to learn. Familiarity with testing tools and scripting is beneficial.