java English-speaking jobs in Mainz

The ideal candidate should have experience operating construction drilling rigs for foundation, piling, anchoring, and ground drilling while ensuring safe and efficient site operations. Key Responsibilities Operate drilling rigs for construction, foundation, piling, and ground engineering projects. Perform drilling activities according to project specifications and engineering requirements.

Leads the strategic and operational development of a key pan-European omnichannel account, driving revenue and profit growth. Manages commercial performance, develops activation strategies, and optimizes omnichannel performance across touchpoints. Collaborates with international teams, builds strategic relationships, and identifies growth opportunities.

Atomic-scale study of graphene-based van der Waals heterostructures using LT-STM/STS at 5K. Tasks include investigating atomic structure, stacking configuration, defects, grain boundaries, edge termination, and local electronic structures.

Provides orientation services to US servicemembers, civilians, and their families through the ACS Relocation Program. This includes Host Nation Orientation, Cultural Adaptation walking tours, translations, and German and English as a Second Language classes.

Senior Autonomous Vehicle Technician will perform preventive and corrective maintenance on electric and autonomous vehicles used in robotaxi fleet operations. Responsibilities include diagnosing and repairing mechanical, electrical, electronic, and software-related vehicle issues, supporting maintenance workflows for high-availability autonomous vehicle fleets, and performing advanced diagnostics on EV platforms, ADAS systems, and autonomous driving hardware.

Fully funded 4-year postdoctoral position in cognitive and computational neuroscience. Investigate the cross-domain functions of the perirhinal cortex in a project with Prof. Patric Meyer and Dr. Andrej Bicanski. Position requires a PhD in a relevant field, strong interest in the medial temporal lobe, and experience with multivariate fMRI analysis and computational modeling.

Incident Manager for embedded systems at ZEISS Semiconductor Manufacturing Technology.

Support the development of innovative hygiene products and digital solutions. Design digital mockups, physical products, and packaging. Generate and visualize product, service, and business model concepts.

EMEA Payroll Specialist Location: Kelsterbach, Germany This role is office-based 4 days per week. Fortinet EMEA payroll team forms part of the Finance department. The payroll team has overall responsibility for the gathering and collating of information from other departments including the process complex payroll items including RSUs and Stocks.

The Environmental Health & Safety (EHS) Manager develops, implements, and maintains a comprehensive EHS strategy for MSA M&C locations in Aach and Ratingen. This role involves leading risk assessments, delivering EHS training, overseeing waste management, and supporting sustainability initiatives. The EHS Manager ensures compliance with local, regional, and global standards. Responsibilities include promoting a strong safety culture, participating in global EHS improvement projects, developing and delivering training, and managing EHS data. The ideal candidate has 3+ years of experience in EHS, a Bachelor's degree in a related field, and completed training as a "Health & Safety Officer" in accordance with ASiG standards. Knowledge of ISO standards 14001 and 45001 is preferred.

The Manager of Engineering develops and implements new product technology to provide a competitive advantage. This role collaborates with Product Management, M&T Leaders, and Platform Engineering Leaders to execute product development programs and ensure product safety and regulatory compliance.

Package handler responsible for sorting, scanning, loading, and unloading packages in a fast-paced environment. Must follow safety regulations and support team members.

Technical Support Specialist needed for high-end equipment R&D, precision machinery processing, or transmission system design. Requires 10+ years of experience and expertise in machine tool structure design, mechatronic integration, and precision shaft processing. PhD preferred.

Junior Fuel System Development Engineer (m/f/d) for Airbus Defence & Space in Manching. Responsibilities include participation in concept and design phases, creating specifications, and supporting system qualification and certification. Requires several years of work experience in aerospace, initial practical experience in system design and development, and basic technical understanding of simulation tools. Fluent German and English skills are required.

Develop and implement a global internal communication strategy, manage internal communication campaigns, and create content for various channels. Support the introduction and continuous improvement of internal communication channels. Partner with HR, IT, and other departments to ensure consistent communication. Monitor reach, engagement, and feedback on internal communication activities.

Nordran seeks a Head of R&D to drive performance and reliability of a liquid cooling chemistry sensing platform for hyperscale AI data centers. Responsibilities include designing and executing experiments, identifying performance bottlenecks, and leading a team to achieve commercial-grade robustness.

We're looking for an Administrative Specialist who loves keeping things running like clockwork, creating a welcoming space, and being the reliable backbone that every great team needs. Sound like you?

The Marketing Manager will develop and implement marketing strategies for defined market segments, manage product portfolios, and drive business growth. The role requires a proven track record in technical sales, business development, or marketing, with a strong understanding of market trends and customer value propositions.

Master student will develop and test a RAG-based system to automate regulatory compliance for Aerospace, Defence, and AI systems.

Legal Working Student to support a growing InsurTech company. Provide day-to-day legal guidance across various departments, including Operations, Marketing, and People. Support with contract review, research, and policy development.