java English-speaking jobs in Mainz

Senior System Administrator will act as onsite technical lead for the Berlin office, providing 2nd-level support, managing Microsoft 365, server infrastructure, and leading IT projects.

Senior SAP Lead Developer (S/4HANA) will manage and coordinate RICEFW development objects, ensuring alignment between technical solutions and business processes.

As part of the establishment of a standalone tax function, you will build and embed robust transfer pricing governance for the Agricultural Solutions business. You will maintain the intercompany transfer pricing governance framework, support the selection and management of transfer pricing IT systems, and monitor ICTP results. You will also build relationships with internal stakeholders, coordinate documentation, and ensure audit readiness.

Portfolio Advisor will drive growth across Wellington's product suite with Financial Intermediaries in Germany and Austria. Responsibilities include executing the Wholesale sales strategy, providing dedicated client coverage, developing client relationships, and contributing to team sales meetings and strategy planning.

Visium seeks a VP Go-To-Market to define and execute the go-to-market strategy, drive new business, and manage the firm's revenue engine. This role requires a proven track record of winning and growing enterprise accounts, a strong commercial hunter instinct, and a technical foundation.

Experienced Clinical Research Associate conducts site qualification, monitoring, and closeout visits for clinical trials. Requires a minimum of a university degree in a health or life science related field and 1.5 years of experience. Must be proficient in English and German and have excellent communication and documentation skills. Travel to Germany, Austria, and Switzerland is required.

ERP Developer & Consultant specializing in Microsoft Business Central. Develops and supports customer solutions using Power Apps, Power Automate, SharePoint, or Azure Services. Requires software development expertise (OOP, APIs, Git, CI/CD) and experience with API integrations (REST/OData).

Join our team and help deliver smiles! Assist with unloading, lifting, transporting, scanning, and sorting packages. Must be able to follow safety guidelines, stand and walk for extended periods, and lift up to 15kg. Must be 18 years or older and proficient in German and/or English/Polish.

Bartender will provide bar service, assist with bar organization and scheduling, advise customers, and contribute to sales goals.

Investment Banking Associate to execute buy-side and sell-side M&A transactions in the healthcare sector. Requires 2-6 years of investment banking, M&A advisory, or corporate finance experience. Strong financial modeling, valuation, and transaction execution skills are essential. Fluent German and English required.

This Master's thesis investigates how to enrich Object-Centric Process Mining (OCPM) in Celonis with semantic information to improve explainability and scenario awareness in automotive production planning. The goal is to design, prototype, and evaluate a concept that links object-centric event data with version- and scenario-semantics, enabling a deeper understanding of planning rationale.

Postdoctoral position in Computational Imaging and cryo-electron tomography. Develop computational methods for deformation-aware reconstruction in cryo-ET data. Focus on modeling and correcting local, non-rigid deformations using Gaussian primitives, Gaussian Splatting, or related approaches.

Field Technician will test new software releases, operate AUV platforms for testing and surveys, and monitor AUV performance. Requires understanding of robotic systems, ROS/C++, Python, software version control, underwater systems, and electronics.

Senior SAP MM Consultant to design, configure, and implement SAP MM modules for enterprise clients. Lead projects, collaborate with teams, and provide expert guidance on SAP best practices. Proven experience in SAP MM configuration and implementation in complex environments is required.

Drive commercial growth in Germany for Istec, a specialist in speed and vibration measurements. Acquire new customers, expand relationships with OEMs, system integrators, and end users in the rotating equipment sector.

EIT Water seeks a Chief Impact Officer to shape and deliver the organization's impact vision, ensuring measurable societal, environmental, and economic outcomes. The CIO will lead impact strategy, performance, and financial sustainability across the EIT Water portfolio, integrating impact into education, innovation, business creation, and regional engagement.

Coordinate and support system and process managers in ensuring information security within secure network operations systems. Contribute to the detection and resolution of security incidents, risk assessment, and management. Support the development of technical security standards and identify threats. Draft and maintain guidelines for information security compliance.

The EMEA Asset Recovery Service Manager will develop supply chain solutions by engaging with OEM and EMS customers to enable reciprocal trading. This role involves prospecting for new accounts, leading a team, and negotiating purchase orders. The ideal candidate has 5+ years of purchasing experience in the electronics industry, strong team management skills, and fluency in English and German or Dutch.

Shape future system and hardware architecture for AI applications in vehicles. Design end-to-end AI and data architectures, focusing on edge computing and diverse use cases. Drive the implementation of scalable AI software platforms using the latest technologies.

Laboratory technicians will execute analytical testing in a GMP-regulated environment, performing sample preparation, measurement, data evaluation, and documentation. Experience with analytical techniques such as chromatography, capillary electrophoresis, spectroscopy, particle & imaging techniques, biophysical/molecular characterization, and mass spectrometry is preferred.