java English-speaking jobs in Mainz

The EMEA Operations Strategy Manager develops and drives operational strategies to support dōTERRA's growth across Europe. This role partners with cross-functional teams to optimize the fulfillment and distribution network, identify expansion opportunities, and deliver actionable insights through data analysis and financial modeling.

Build and lead NEX Aero's software organization across three domains: Flight Control Software & Embedded Systems, Automation Software, and Cloud & Application Software. Take end-to-end technical ownership of software delivery and define software architecture, development standards, and cybersecurity processes. Manage external software development partners and suppliers. Proven track record building and scaling software organizations, deep expertise in embedded, real-time, and safety-critical software development. Working fluency in at least one adjacent domain: autonomy/perception software or cloud/application software. Strong understanding of software certification processes in regulated environments. Experience in flight control, robotics, automotive, aerospace, or similar safety-critical domains.

Working student to support the Corporate Governance & Boards team in maintaining the Corporate Rule Book, assisting with corporate governance projects, and providing administrative support.

Sales Account Manager for Bruker Nano Surfaces and Metrology (BNSM) in Germany. BNSM provides advanced tools for surface and materials characterization across various industries.

Kindergarten Teacher (m/f/x) needed for a bilingual school in Friedrichshafen. The role involves pedagogical care, educational program implementation, observation and documentation, and parent-teacher communication. Applicants must have a relevant pedagogical qualification, teaching experience, native English skills, and basic German.

Continuous Improvement Manager needed for a manufacturing site near Düsseldorf. Drive operational excellence strategy, lead process improvements, and provide training on core standards.

Risk Analyst for Due Diligence conducts investigations, analyzes financial data, and assesses credit risks. Prepares reports summarizing findings and recommendations. Requires a degree in economics and experience in banking or finance.

EHS Manager responsible for implementing and maintaining environmental, health, and safety programs.

Supports data-driven decision-making by analyzing business data to improve planning, reporting, and execution. Tasks include documenting requirements, mapping processes, preparing reports, and contributing to dashboards.

Provides day-to-day environmental and HSE oversight for the North Sea Terminal Bremerhaven (NTB) Transformation Project. Ensures compliance with environmental legislation, permit conditions, and project requirements.

Research Associate/PhD Student will implement, evaluate, and optimize AI models for surgical video guidance. Responsibilities include developing labeling strategies for surgical video datasets, contributing to a clinical trial, and collaborating with clinical partners.

Lead the acquisition and management of a German family-owned SME facing a succession challenge. As CEO, you will work with AIA to identify, assess, and acquire a target company, then lead its operations and growth. This unique career path offers the opportunity to become a CEO-owner with investor backing.

Senior Project Engineer to manage installation teams and subcontractors on a flagship Data Centre project in Frankfurt. Deliver projects from conception to completion, ensuring on-time and on-budget execution. Manage purchase orders, project documentation, and liaise with engineers, architects, and stakeholders.

Leads and scales manufacturing engineering, working with contract manufacturers and suppliers to ensure robust, scalable manufacturing of complex, high-risk Class III cardiovascular devices.

Validation Engineer will plan, prepare, and execute test procedures on test benches and vehicles. Validation of hardware and software functions, including charging infrastructure, control units, and vehicle components. Analysis, evaluation, and documentation of measurement data. Creation of test specifications, test cases, and validation reports.

Coordinate and optimize the end-to-end order processing and fulfillment process, including transport planning. Ensure seamless communication among customers, logistics partners, and internal stakeholders.

Finance leader with Controlling/FP&A expertise sought for project assignments in Healthcare, Life Sciences & Chemicals. Drive budgeting, forecasting, margin analysis, and CAPEX decision support. Provide financial guidance for R&D, pricing, and operational excellence. Strong systems and data skills required.

Leads and develops the international service & support organization for EPG ONE™ Software Suite. Develops and implements growth strategies for the service business, enhancing the service portfolio and identifying revenue opportunities. Manages the P&L for the service organization and collaborates with cross-functional teams.

Experienced Salesforce Developer sought to design, develop, and maintain Salesforce solutions, integrations, and web-related functionalities. Collaborate with stakeholders and technical teams to optimize CRM processes and support international markets.

Partner to lead business development and sector strategy for Infrastructure & Energy in Germany. Requires 15+ years of experience, including 5+ years in a senior consulting role. Must have a strong network in the German market and expertise in operational performance, project management, or asset management within energy or infrastructure.