java English-speaking jobs in Mainz

IT Network Administrator role involving expansion and development of LAN, WLAN, WAN, VPN, and VLAN infrastructure. Responsibilities include configuration, monitoring, security implementation, and issue resolution. Requires a relevant degree/training and several years of network technology experience.

Provide pragmatic legal advice and drive processes to support the expansion of charging infrastructure across Europe. Advise on e-mobility regulations, draft commercial agreements, and manage legal risks.

Experienced MIG/MAG Welders needed for manufacturing and industrial companies. Responsibilities include welding, fabricating, and repairing metal components using MIG/MAG techniques. Requires minimum 2 years of experience and proficiency in reading technical drawings.

Senior Forescout Engineer to engineer, deploy, and sustain Forescout NAC and C2C solutions across U.S. Army enterprise networks. Requires hands-on experience with Forescout, NAC architectures, and DoD cybersecurity requirements.

Develop, test, and certify flight deck functions and avionics systems for Boeing Commercial Airplanes. Requires expertise in systems engineering, simulation, and translating requirements into software.

Senior System Developer SAP FS-CD is needed for implementing SAP FS-CD as a central collection and disbursement system. Requires experience in S/4HANA, ABAP, and knowledge of insurance processes.

Supplier Quality Engineer for Castings ensures high quality standards for hot gas components. Responsibilities include implementing continuous improvement, conducting technical reviews at suppliers, and managing supplier relationships across Europe and Asia.

Account Executive role seeking sales experience in ERP or IT solutions. Must be fluent in German and English. Responsibilities include prospecting, territory management, and driving new business acquisition.

Technical Assistant needed for Genome Editing Trait Discovery. Responsibilities include designing protein-protein interaction experiments and performing cloning. Must have experience with plant-based protein-protein interaction assays.

Sales Representative for Breast & Plastic Surgery in Southern Germany. Drive adoption of the GalaFLEX portfolio by building partnerships with surgeons and developing accounts across public and private hospitals. Requires strong sales skills and German fluency.

For our Primary School in Hamburg we are looking for a motivated and qualified Teaching Assistant (part-time/full-time, starting 01.01.2027).

CNC Operator for Elastomer Seals operates customized Emco CNC lathes. Responsibilities include programming, setup, and managing production for single and small series seals. Requires 3-5 years of experience in machining thermoplastics and elastomers.

Support Distribution Services by preparing service quotations and understanding customer needs. Collaborate with Sales and Product Management to standardize offerings and contribute to service sales strategies. Requires English and German communication skills.

Lead .NET Developer to architect and implement a secure, cloud-native, multi-tenant asset monitoring platform. Requires 8+ years as a .NET developer, strong C# skills, and experience with distributed systems, Kubernetes, and messaging protocols.

Design and implement learning experiences for unmanned systems. Define instructional approaches, digitize content, and build scalable offerings using digital and blended learning methods. Requires expertise in adult learning and Moodle.

Senior Applications Technologist for Bakery Snacks & Confectionery. Lead technical projects, develop solutions for EMEA, and transfer knowledge. Requires Food Science/Chemistry degree and 4-6 years of relevant industry experience.

Produce and supervise snack menu items for nine Berlin Cafés. Ensure quality, manage inventory, and maintain kitchen operations. Requires 1-2 years' experience, strong organization, and fluency in English.

Sales Executive for Electromagnetic Compatibility (EMC) and Wireless technologies. UL Solutions provides testing, inspection, and certification services to support customer product innovation and growth.

Senior Cloud Architect to design, implement, and optimize scalable, resilient hybrid architectures spanning cloud and on-premise technology. Ensure infrastructure is agile, secure, and cost-effective to enable digital innovation.

Senior Manager to improve automotive warranty and services offerings. This role involves leveraging data and technology to enhance products, optimize programs, and drive revenue across European entities. Requires 5 years of relevant experience.