java English-speaking jobs in Mainz

Spearhead Recycleye's expansion into the DACH region as a Junior Sales Manager. Build long-term client relationships, provide technical consultation, and drive growth in Germany, Austria, and German-speaking Switzerland. Manage key accounts, develop market strategies, and exceed sales targets. Fluency in German and English, 3-7 years of sales experience, and a B. Eng. or equivalent are required.

We are the operational backbone behind some of Europe's most forward-thinking hotel brands: the partner guests never see, but always feel. From spotless rooms to seamless remote check-ins, we deliver Hotel Operations-as-a-Service— housekeeping, maintenance, and guest operations — white-labelled under our partners' brands. Germany is our fastest-growing market, and Berlin is our blueprint city.

Student receptionist for a hostel, providing guest support, handling check-in/check-out, answering inquiries, and maintaining cleanliness. Must be a registered student with a valid enrollment certificate, German and English at B2 level.

This HR Generalist role supports a global semiconductor company's European team. Responsibilities include talent acquisition, payroll, immigration, employee relations, and policy development. Requires 4-7 years of HR experience, German employment law expertise, and proficiency in HRIS platforms.

Project Scheduler At Spencer Ogden, we're supporting a major battery storage project in Germany and are looking for a skilled Project Scheduler to join the team. This is a hands-on role focused on planning, controls, and delivering reliable project schedules in a fast-paced environment.

Surface designer for exterior vehicle components using 3DEXPERIENCE. Refine, clean, and repair surface geometry for simulations. Collaborate with design and engineering teams to ensure surface quality meets simulation and manufacturing requirements.

Leads technology R&D, process optimization, and innovation for copper bar and high-voltage circuit breaker fields. Develops long-term technical strategy and leads key R&D projects to improve product performance and reliability.

Technical leadership of HVDC cable products from design to commissioning. Manages project phases, including permitting, tendering, design, qualification, manufacturing, and commissioning. Leads multidisciplinary teams and coordinates external service providers. Requires a degree in Electrical Engineering, Energy Engineering, or a comparable discipline with experience in HVDC/HVAC cable systems.

Support development and customization of Microsoft 365 solutions, including Power Platform and SharePoint. Assist in building automation and AI-driven solutions using Power Platform. Create technical documentation, user guides, and training materials.

Leads the design, implementation, and development of an Information Security Management System (ISMS). Provides technical leadership to a team of four and develops security processes, guidelines, and procedures. Advises stakeholders on information security matters, assesses security incidents, and monitors resolution measures.

Executive Assistant (m/f/d) at Allianz SE Who will you join? Working in the Group COO Office means working at the intersection of strategy and execution. Reporting to Barbara Karuth-Zelle, Group COO, the office manages the agenda of a global portfolio that spans Operations, IT and Security, including the Allianz Technology and Allianz Services Business Division.

Supervises front office operations, including guest check-in, account setup, payment processing, and reporting. Provides guest service, addresses requests, and ensures adherence to company policies and procedures. Trains, evaluates, and coaches employees.

Network Administrator needed for Media and Information Center (MIZ) IT Infrastructure Department. Responsibilities include installation, configuration, and administration of network components, planning and development of Cisco network infrastructure, and implementation and management of network security measures.

Material Scientist to support technical improvements and developments in upstream processing (melting, scrap management, casting) for aluminum wrought alloys. Focus on quality maintenance and increasing recycling content.

Investment Banking Vice President will support the Consumer Products & Services team in London or Frankfurt. Responsibilities include targeting and closing new deals, participating in pitches, developing presentations, executing financial analyses, and mentoring junior staff.

As a Business Development Representative, you will build and manage client relationships in Germany, developing new business across concert touring, corporate events, trade shows, and theatrical productions. You will own a portfolio of clients, proactively hunt for new business, and collaborate with internal Project Managers to deliver winning proposals.

German-speaking Junior Sales Executive to engage with clients, understand their needs, and provide tailored service solutions. Drive revenue growth by selling and convincing clients. Proven sales experience and a C2 level of German are required.

In-House Business Lawyer Location: Munich Our client is seeking an in-house business lawyer to support its commercial and operational activities across multiple jurisdictions. The role offers broad exposure to contractual, regulatory, and compliance matters within an international business environment.

We are seeking a qualified automation technician / electronics technician for industrial engineering (m/f/d) for one of our renowned client companies in Hof as part of our personnel placement services. Randstad is your strategic partner for professional development. We offer you access to exclusive companies and support you with expertise and personalized guidance on your career path.

Senior Systems & Cloud Engineer will own administration and continuous improvement of Microsoft 365 and Atlassian Jira & Confluence. Responsibilities include building and maintaining secure integrations, collaborating on AWS infrastructure maintenance, and designing, provisioning, and operating infrastructure via Terraform.