java English-speaking jobs in Mainz

HSE Site Supervisor required for a steel furnace installation and commissioning project in Germany. Full-time, on-site role (July 2026 - August 2026) implementing and maintaining HSE management systems, ensuring compliance with PTW and LOTO procedures, and leading safety initiatives. Minimum 3 years HSE experience in heavy industry, strong commissioning background, and fluency in English and German required.

International Development Instructor for 10-month program. Training in Denmark, followed by 6 months volunteering in Malawi, Zambia, or India. Must be 18+, English proficient, and able to obtain a Danish visa.

Leads the execution of a strategic plan to drive Global Payroll product sales through the field sales organization. Develops and implements activities to ensure effective sales of assigned ADP solutions. Provides sales support to division/area sales leadership with product education, measurement, and performance.

Functional Business Consultant - Sales will own and improve end-to-end Sales processes (Lead-to-Order, Quotation, Pricing, Order Management). You will configure and optimize Sales functionalities in IFS Cloud and act as functional counterpart for Dynamics CRM.

Support the organization and execution of facility management tasks in Munich. Participate in projects to optimize workflows and communicate with service providers.

Supports supply chain process development during M&A integrations and technology transfers. Coordinates cross-functional project teams, guides junior specialists, and collaborates with internal and external partners. Ensures end-to-end supply chain visibility and prepares reports for senior management.

Lead Zenjob's B2B marketing engine, developing and owning the marketing strategy, driving lead generation campaigns, and managing a team.

Supports HR Director/Manager in personnel management, recruitment, and employee relations. Manages employee working hours, absences, and prepares reports. Fluent in German and English required.

Senior Accountant will oversee accounting operations for Germany, Belgium, and France. Responsibilities include managing general ledger activities, ensuring accurate financial reporting, and ensuring compliance with local statutory requirements. Requires 7+ years of experience, fluency in German and English, and knowledge of German GAAP.

Working student supports development, documentation, and organizational tasks for measuring machine electronics, assemblies, and control systems.

Leads the German tax compliance function for direct and indirect taxes, including preparation, review, and submission of tax filings. Oversees tax payments, accounts, reconciliations, and reporting. Establishes and maintains a German tax control framework, manages audits, and handles tax controversy matters.

Finance professional to manage corporate housekeeping for international clients, ensuring financial performance, legal structures, and compliance.

Experienced Technical Director needed for hyperscale and mission-critical data center developments. Full accountability for technical integrity, constructability, quality, performance, and operational readiness throughout the project lifecycle. Extensive hyperscale data center experience, strong electrical and mechanical systems expertise, and full project lifecycle experience required. Site-focused role with extensive travel across EMEA.

Experienced Human Resources Business Manager to lead the HR agenda in Germany. Partner with People Leaders, execute global P&C strategy, and ensure compliance with German labor law.

Founding Account Executive for the German market, responsible for developing and implementing the market strategy, generating leads, managing the full sales cycle, and building relationships with key e-commerce brands.

Develop focused, deployable Python tools for data ingestion, de-identification, and dataset management within a scientific and data-oriented environment. Strong Python skills, data handling experience, and engineering common sense are essential.

Drive technical transformation in manufacturing and quality operations by implementing automated inspection processes. Manage equipment life cycle, execute validation, and provide technical and quality resources for metrology of elastomer and primary containment pharmaceutical products.

Two Palms Media seeks a German-speaking Social Video Editor to join their Munich team. The role involves editing engaging social media content for TikTok, Instagram, and YouTube Shorts. Applicants should have fluency in German and English, strong video editing skills using Adobe Premiere Pro, CapCut, and After Effects, and photo editing skills using Adobe Photoshop.

Senior Project Manager will oversee technically complex, large-scale customer projects in energy, marine, industry, and research sectors. Responsibilities include cost, schedule, and quality management, stakeholder coordination, and project lifecycle oversight. Requires a degree in electrical engineering or related field, proven project management experience, and fluency in German and English.

Experienced IT professional to lead onsite support, manage hardware lifecycle, and provide technical guidance to junior technicians. Responsibilities include end-user support, ticket management, and AV/conference room technology support. Requires 3+ years of IT field services experience and strong troubleshooting skills.