java English-speaking jobs in Mainz

Systems Engineer to conduct tests on avionics systems for safety-of-flight and certification. Create system specifications, test programs, and technical documentation. Collaborate with designers and engineers on aircraft avionics system integration and certification per EASA standards.

As the Solution Owner for Healthcare & Life Sciences, you will architect and launch global solutions for EHR, Enterprise Imaging, or Genomics. You will drive market growth, lead technical validation, and empower global field teams.

Experienced Internal ISO Auditors are needed for short-term contract (7 days) audits in London, UK and Frankfurt, Germany. Audits will cover ISO 9001, ISO 45001, ISO 14001, and ISO 27001.

Experienced Drilling Assistants / Civil Engineers needed for infrastructure and construction projects in Germany. Assist drilling teams, perform civil engineering and groundwork activities, and install/maintain pumps.

Corporate Accounting & Reporting Specialist will process monthly financial statements for 21 UTA Group entities and prepare IFRS financial statements. Responsibilities include data uploads, intercompany reconciliations, and supporting Edenred Group reporting. Requires a finance degree, 2+ years experience in accounting, consolidation, or reporting, and proficiency in systems like IBM Cognos Controller and TM1.

Evaluate search results and AI-generated content for quality, relevance, accuracy, and usefulness. Conduct online research to verify information and apply rating guidelines consistently. Document edge cases and provide clear written feedback.

An early-career scientist with a strong background in immunology, neuroimmunology, and systems biology is sought to develop a research program investigating the immune system's influence on brain health and protection against degenerative diseases.

IT Security Technology & Compliance Expert will monitor, analyze, and assess cyber threats, conduct risk assessments, and support security incident response activities. The role requires experience with SIEM systems, threat intelligence platforms, and security compliance frameworks (NIS2, ISO 27001, SEMI 187/188, and CRA).

Contribute to the development of robotic mechanisms in the early concept phase. Tasks include conceptual analysis, trade-offs, state-of-the-art research, mechanical modeling, and FEA. The role offers the opportunity to convert the work into a Master's thesis.

Provides administrative, customer service, and sales support. Coordinates purchasing and operational support through SAP. Assists with ISO, Lean, safety, compliance, and internal audit activities.

Intern (m/f/x) in the Interior Design department at NIO's Munich headquarters. Contribute to the development of the NIO brand by illustrating concepts, designing content, and researching user experience driven designs.

Support the development and continuous improvement of a group-wide physical security framework. Contribute to the implementation and improvement of site security concepts across all business segments and locations. Manage and support the tendering and procurement of security services. Provide input on security requirements for new sites, buildings, and leases.

Product Manager for Handyman Mobile, our app for technicians and field service professionals. Define product strategy, roadmap, and priorities, ensuring measurable value for users and the business. Lead product development, build business cases, and work closely with design and engineering.

Master thesis focusing on modeling multiuser detection in asynchronous random access systems using spread spectrum techniques. The objective is to develop an Approximate Message Passing framework to reduce computational complexity while maintaining near-optimal performance.

Data Engineer to integrate data sources, design data pipelines, and evolve a scalable data platform. Translate business requirements into data models and collaborate with stakeholders. Operate and stabilize pipelines, investigate incidents, and resolve data quality issues. Maintain and modernize SQL Server environment.

The HR Manager will oversee the full employee lifecycle for Chaskis' German workforce, including recruitment, onboarding, payroll administration, employee relations, and compliance with German labor law.

Founding Product Manager to shape the roadmap and future direction of a VC-backed AI forecasting startup. Bridge technical capability and customer usability, working with engineering and customers. Own the product roadmap, translate customer feedback into actionable items, and support go-to-market efforts. Proven product management experience, ideally in B2B SaaS, industrial tech, or AI/analytics.

Shape global reward systems and drive talent retention as an Expert Compensation & Benefits. Support and drive global C&B initiatives, focusing on variable remuneration systems and incentive design. Lead or participate in regional and global C&B projects, acting as a key expert for internal stakeholders. Manage and steer annual bonus and salary review cycles. Further develop the global benefit portfolio to increase employer attractiveness and employee motivation. Serve as a high-level advisor for HR Business Partners and management on all compensation-related matters.

Chemical Production Technician needed for a contract manufacturing company. Operates and monitors production equipment, carries out production batches, and documents process measurements. Requires vocational training as a Chemical Process Operator or equivalent and experience in chemical manufacturing. Must be able to work 12-hour shifts.

Electrical Engineer with 5+ years' experience needed for design, maintenance, and implementation of electrical systems and components for industrial and commercial use.