java English-speaking jobs in Mainz

Electrical Engineer to oversee site electrical infrastructure and power distribution systems. Will also act as Site Energy Manager, leading the Energy Management System (EnMS) in accordance with DIN EN ISO 50001.

Develop, maintain, and optimize automation workflows for infrastructure operations. Automate provisioning, configuration, and lifecycle management using Infrastructure-as-Code principles. Diagnose and resolve issues in automated deployments. Collaborate with IT and platform teams to align automation approaches and drive process standardization.

The Senior Director of Product Management will define and execute the vision and strategy for key AI Data Engine capabilities, including GenAI/RAG pipelines, agentic AI data flows, and AI infrastructure for model training and inference. This role will lead a team of product managers and work closely with engineering, design, marketing, sales, and ecosystem partners.

Experienced CFO to lead finance, accounting, controlling, legal, insurance, governance, and compliance for a growing PE-backed industrial company. Responsibilities include financial reporting, budgeting, forecasting, and driving EBITDA, margin, and cash flow performance.

As a Managing Partner in Gartner Consulting DACH, you will advise senior leaders on technology strategies to drive business outcomes. You will lead consulting engagements, expand client portfolios, and develop high-performing teams. Proven consulting experience, technology problem-solving skills, and executive-level relationship building are required. Native German fluency is essential.

Company As a Sales Development Representative, you are responsible for making autarc visible in the Italian market, winning over new customers, and laying the foundation for long-term partnerships.

Service Technician for Wind Turbines performs on-site servicing and maintenance, repairs turbines, analyzes error messages, and documents work digitally. Requires vocational training in a technical field, familiarity with Microsoft and iOS, comfort working at heights, and a valid Class B driver's license.

The Chief Strategy Officer will define and execute the company's strategic direction, focusing on digital asset markets, particularly derivatives. This role requires expertise in business scaling, competitive positioning, and cross-functional leadership. The CSO will analyze market trends, identify growth opportunities, and ensure alignment between strategy and operational execution.

International Payroll Specialist needed for fixed-term contract (July 2026 - December 2027). Process, audit, and reconcile international payrolls for Germany, Austria, and Switzerland. Partner with external providers and internal stakeholders to ensure accurate and timely payroll reporting.

Designs, develops, integrates, and validates software for mission and payload management using AI technologies. Develops applicative solutions for smooth mission management and coordinates subcontractors. Conducts software analysis and validation testing.

Actuary (m/f/d) needed for reserving tasks under GAAP, IFRS, and Solvency II. Collaborate with entities, provide actuarial advice, and support risk management, ORSA, and planning/FP&A. Requires a university degree in actuarial science, mathematics, statistics, or related field, experience in actuarial reserving (ideally motor), and fluency in English.

Postdoctoral position in Computational Imaging and cryo-electron tomography. Develop computational methods for deformation-aware reconstruction in cryo-ET data.

This thesis investigates transient electron dynamics in low-κ dielectrics using pump-probe spectroscopy. The goal is to quantify free-electron density, relaxation behavior, and optical constant modifications following deep-UV femtosecond excitation.

The European Institute of Policy Research and Human Rights AISBL seeks a Policy Researcher Intern for a remote, 8-week program. Interns will conduct literature reviews, prepare research summaries, and draft a supervised research paper, policy brief, or analytical report.

Regional Sales Account Manager responsible for sales and revenue development in the AME, Mediterranean, and Central Asia regions. Leads a team, develops sales strategies, identifies new customers, and manages the entire sales process. Requires a business or technical degree, several years of international sales experience, and fluency in English and at least one additional language from the target region.

IU International University seeks a Professor (m/f/d) for Innovation Management, starting October 1st, 2026. The successful candidate will teach on-campus lectures, supervise students, and contribute to the development of teaching formats. Applicants must hold a doctoral degree in Innovation Management or a related field, have at least five years of professional experience, including three years outside academia, and demonstrate expertise through publications or projects. Fluency in English (C1 level) is required.

Postdoctoral position in virology and molecular medicine available at Witten/Herdecke University. The position is funded by the German Research Foundation (DFG) and focuses on standardized virus preparations and cell culture systems for human adenoviruses.

Lead and grow a Data Science team to develop and adapt algorithms for optimizing energy trading and asset dispatch. Manage a team of 8 FTEs, growing to ~15, and collaborate with executive and leadership teams to set strategic goals.

Global Medical Director, Evidence Generation Lead About This Role: As the Global Medical Director, Evidence Generation Lead, you will play a pivotal role in advancing data generation initiatives for the Dravet Syndrome therapeutic area. This position resides within the Global Medical Dravet Syndrome team and is central to driving collaboration, innovation, and excellence in research.

Market Development Representative will lead development initiatives in selected strategic accounts, promoting and selling Medtronic Aortic devices and services.