java English-speaking jobs in Mainz

Client Executive drives strategy for global enterprise accounts, focusing on value delivery, retention, and new business growth. Requires 15+ years of experience, consultative selling success, and proficiency in global account planning.

As a Digital Engineering Consultant, you will optimize engineering across the product lifecycle for global clients using digital twins and AI. You will design and implement digital transformation strategies for R&D and manufacturing.

Process Engineer for Dry and Wet Etching in semiconductor manufacturing. Responsibilities include ensuring process stability, driving improvements, investigating deviations, and supporting new technology implementation. Requires a relevant technical degree.

Internship in Global Category Passives supporting purchasing projects and the sourcing process. Responsibilities include supplier communication, data management, and analysis. Requires studies in business, engineering, or economics and fluent Business English.

Imaging Operations Coordinator I performs data processing, reviews clinical site data, and manages study databases. Requires a high school graduate or degree, and at least one year of experience with computer applications.

Associate Accounts Payable Specialist supports the EMEA Finance Team by processing vendor invoices, validating details, and maintaining AP records. Requires a Bachelor's in Accounting or related field and 2-4 years of relevant experience.

Strategic Key Account Manager to lead biosimilar product innovations in NRW. Responsibilities include developing regional sales strategy, building key stakeholder relationships, and driving market access. Requires a Life Sciences degree and proficiency in German and English.

Experienced SAP Payroll Consultant needed for German Payroll (PY-DE) or SuccessFactors ECP. Responsibilities include end-to-end configuration, translating German labor laws, and managing regulatory workflows. Requires strong German fluency.

Senior Product Marketing Manager to grow Observability products by positioning and running campaigns. Partner with product managers to define value and GTM strategy, driving customer adoption and retention. Requires technical curiosity and strong communication skills.

Support the Client Engagement team in delivering exceptional service for a luxury beauty client, managing 2D print, direct mail, and sampling. This role requires administrative expertise, project monitoring, and strong communication skills in German and English.

Senior Project Manager Finance drives financial integration of M&A and carve-outs. Leads global transformation programs, managing integration workstreams from planning through execution. Requires 3+ years of post-merger integration experience.

Principal Engineer in Power Electronics to advance next-gen power delivery for HPC, AI, and data centers. Focus on R&D for BMP, PSiP, and VRM technologies. Requires PhD or MSc plus extensive R&D experience.

Drive commercial growth across EMEA in the meat processing industry as an International Sales Manager. Develop sales strategies, manage distributor networks, and secure long-term agreements. Requires 8+ years of relevant international sales experience.

Lead and coordinate customer projects within Airport Solutions, ensuring on-time, on-budget delivery. Act as the central coordinator across internal teams, suppliers, and customers. Requires strong planning, stakeholder management, and fluency in German and English.

Develop AI xPU chip power supply requirements and architectures. Define next-gen power specs, design solutions, and propose new concepts. Requires Ph.D. or M.Sc. with R&D experience in power electronics or related fields.

Board-certified Psychiatrist needed for clinical-stage neuroscience company. Provide medical input on depression and TRD programs, including protocol development, safety review, and data interpretation. Requires clinical experience and exposure to clinical development.

Expert Quantity Surveyor (M&E) supports Subcontracting Management across the project lifecycle. Responsibilities include estimating costs from drawings and preparing BoQs using digital tools. Requires a degree in Quantity Surveying and five years of relevant experience.

Associate Director, Clinical Trial Devices, leads end-to-end device oversight across the clinical lifecycle for assigned assets. This role defines device strategy, manages deliverables like the Device Strategy Document, and ensures alignment across clinical teams.

Working Student in Forming supports daily operations and projects related to process and material flows. Responsibilities include data collection, analysis, and presentation preparation. Requires advanced studies in an engineering field, MS Office proficiency, and English skills.

Provide advanced remote troubleshooting and technical support for BD Biosciences instrumentation via phone, email, chat, or online tools. Requires a Bachelor's Degree in relevant engineering and 2+ years in device troubleshooting.