java English-speaking jobs in Mainz

Administrative Staff Member needed for a bilingual school in Regensburg. Responsibilities include front office duties, student enrollment assistance, and administrative support. Requires German native proficiency, good English skills, and experience in a similar field.

Document Controller role supporting data centre projects. Responsibilities include project documentation, reporting, scheduling, and stakeholder coordination. Requires fluent German and English, strong organization, and experience in project administration.

Purchase Coordinator role involves processing orders, negotiating with suppliers, and conducting market research. Requires 3+ years in purchasing, fluent German/English, and proficiency in SAP and O365.

For our secondary school in Heilbronn and Erlenbach we are looking for a Biology Teacher (Bilingual: German & English) (in part-time or full-time)

Loader Unloader for nightshift, parttime. Tasks include loading/unloading aircraft and truck containers, and sorting/scanning parcels. Requires good German or English skills and willingness to do physically demanding work.

Director of Product - Connectivity will lead the product strategy for the Information Connector and existing connectivity portfolio within DI SW Operations Software. Responsibilities include defining pricing, steering sunset paths, and driving go-to-market strategy.

Senior Insurance Buyer/Specialist for corporate pension plans. Join the Marsh team to provide expert advice and develop innovative solutions for SME clients in areas like company pension schemes and health insurance.

Experienced HSE Lead needed for an 18-month data centre construction project in Berlin. Requires proven HSE experience in data centre construction, knowledge of large-scale construction safety, and fluency in English plus German or Polish.

Service Specialist responsible for after-sales service of Honor products. Duties include managing local service centers, optimizing repair processes, monitoring KPIs, and handling customer feedback and complaints. Requires proficiency in English and German.

Own and scale VOYA’s global media partnerships across DOOH, digital, mobility, and travel. Define strategy, lead complex commercial negotiations, and operationalize partnerships with media owners. Requires 8+ years in media/AdTech supply-side roles.

Postdoc role combining drift trajectories from ice-tethered platforms with satellite and model data to optimize Antarctic sea ice observing strategies. Analyze sea ice and snow measurements to develop harmonized observing systems. Requires PhD in related field and strong programming/data analysis skills.

Optical Packaging Engineer to shape photonic semiconductor packaging. This role involves taking ownership of optical assembly and packaging processes from concept to industrialization, working with advanced optical components.

Vice President, International Counsel provides strategic legal leadership for international businesses. This role leads a global legal team, manages cross-border risk, and advises executive leadership on complex international legal and regulatory matters.

General Manager Design & Product Management for Cold Rolling Mills. Drive strategy, manage the global product portfolio, and support sales and service divisions. Requires technical degree, leadership, and design/project management experience.

Senior GMP Consultant for a 6-month B2B project focusing on sterile manufacturing and FDA inspection preparation. This role involves assessing processes, identifying compliance risks, and supporting improvement actions to strengthen inspection readiness.

Quality Control Technician will perform inspections and functional tests on components to verify compliance with specifications. Responsibilities include recording control evidence, contributing to protocol improvements, identifying and managing non-conformities, and maintaining equipment and workspace. Requires a university degree in a relevant field, excellent communication skills, and proficiency in English and French.

Lead Business Analytics role requires 5+ years in Business Analytics or BI. Responsibilities include leading the team, improving Power BI dashboards, and supporting the Microsoft Fabric data platform. Must have strong SQL and data pipeline experience.

Lead consulting projects in M&A Operations, focusing on PMI, carve-outs, and integration governance. Requires experience in management consulting or corporate development, strong analytical skills, and fluency in English and German.

Automation Senior Engineer supports site automation and digital systems for manufacturing operations. Responsibilities include run state support, lifecycle maintenance, and continuous improvement of systems like DCS, PLC, and SCADA.

The Account Executive drives revenue growth by managing existing accounts and acquiring new business. This individual contributor role reports to the Senior Manager, Commercial. Responsibilities include developing sales presentations, negotiating contracts, collaborating with various internal teams, and forecasting sales activity.