java English-speaking jobs in Mainz

The Regional Marketing Communications Manager executes Megger's marketing strategy, focusing on event management, channel partner marketing, regional market activation, and reporting.

Working student supports international development sites in electronic development processes for modern vehicle architectures. Contributes to projects including Battery Management Systems, zone controllers, and control boards. Analyzes, evaluates, and develops hardware architectures, supports tests, and designs circuits. Requires enrollment in Electrical Engineering, Mechatronics, or a related field.

PhD Position in Microbiome Systems Biology at the Friedrich Schiller University Jena. The project focuses on integrating shotgun metagenomics data with genome-scale metabolic modeling using machine learning to enhance engineered probiotic colonization in the human gut.

This joint appointment at Osnabrück University and the German Institute for Global and Area Studies (GIGA) seeks a candidate to contribute to quantitative research in International Relations and/or Comparative Politics. The successful candidate will teach in English-language master's programs and participate in research activities at GIGA. Applicants must demonstrate expertise in advanced quantitative methods and have a research focus on at least one region of the Global South.

Permanent W3 professorship in Integrative Neurobiology at OVGU and LIN. Successful candidate will establish a new research group focused on experimental and computational neuroscience or neuroengineering. Requires experience leading international research teams, securing funding, and supervising students. Expected to contribute to LIN's interdisciplinary research programs and develop innovative strategies to advance understanding of neural circuits and networks.

Build and lead the finance function of a cross-border aerospace, space, and defense group. Establish financial reporting, cash discipline, profitability visibility, and financing readiness. Manage monthly close, group reporting, treasury, budgeting, and forecasting. Drive pricing discipline, commercial finance, and margin expansion. Lead acquisitions, including due diligence, valuation, and post-merger integration.

Provide customer service to English and French-speaking independent sales consultants via phone, email, and chat. Support consultants in developing their businesses by offering guidance and information. Track and document inquiries and issues.

Junior Sales Manager (m/f/d) needed to manage sales of Petrochemical products in the B2B market. Responsibilities include contract negotiations, customer relationship management, and sales strategy development. Requires a degree in business/economics, chemistry, or a related field, plus one year of sales experience. Excellent communication and teamwork skills are essential.

Deliver groceries to customers efficiently by e-scooter or e-bike. Meet and exceed delivery targets while providing exceptional customer service.

Leads and develops a finance team, responsible for main and subsidiary accounting, financial statement preparation, and reporting. Requires expertise in HGB, IFRS, tax law, and financial analysis.

Enable in-house AI solutions by providing concepts, templates, and implementations of AI service infrastructure and tooling. Collaborate with ML Engineers to bring AI solutions to production, supporting their review, monitoring, and maintenance.

Software engineer to build robust software systems for machine learning solutions on major cloud platforms. Translate client needs into technical solutions and collaborate with cross-functional teams.

DYWIDAG seeks a Civil Engineer / Construction Technician to manage wind tower projects in Northern Germany. Responsibilities include project preparation, scheduling, resource planning, cost monitoring, and customer coordination. The ideal candidate has a civil engineering degree or equivalent, experience in construction, and strong communication skills.

Partner Success Manager responsible for onboarding, training, and supporting partners in Germany. Builds and maintains relationships, monitors deal flow, and analyzes market trends. Requires experience in Partner Success, Customer Success, or software sales, fluency in German, and knowledge of ERP systems.

Senior Digital ASIC Design Engineer will develop and implement digital modules and subsystems for Advantest's semiconductor testing solutions. Responsibilities include requirements gathering, architecture development, RTL coding, verification, and collaboration with cross-functional teams.

Provides technical advice and service assistance to customers and Authorized Service Facilities for Textron Aviation products. Maintains customer goodwill by addressing all issues concerning their aircraft. Documents field issues and fleet concerns for product improvement consideration. Researches and responds to customer inquiries regarding technical assistance, warranty, and service programs. Develops relationships with customers and participates in trade shows and technical events.

IT Admin Team Lead will support employees with IT requests, maintain office network and systems, and manage IT projects. Responsibilities include resolving IT faults, onboarding/offboarding employees, managing IT budget, and overseeing IT equipment. Requires 5 years of experience as a Senior IT Admin or 2 years as an IT Team Lead, strong knowledge of hardware/software, and experience with process automation tools.

The Professional Marketing Lead will define, develop, and deploy scientific and professional marketing content for Central Europe. The role connects global professional strategy with local market activations and supports priority launches and initiatives.

The CMO Manager manages and oversees contract manufacturing activities with external CMOs, ensuring compliance with quality standards and regulatory requirements.

Advises on safety and occupational health measures, prepares safety instructions, and conducts inspections to ensure compliance with OSHA standards. Implements safety programs, investigates accidents, and provides safety training to supervisors and employees. Serves as the facilities' technical expert on safety and environmental issues, including infrastructure and equipment modernization projects. Requires certification as a safety professional in accordance with paragraph 7 of the Arbeitssicherheitsgesetz (AsiG).