java English-speaking jobs in Mainz

Leads the lighting design team, develops innovative lighting concepts, and prepares customized lighting calculations and visualizations. Manages project support, technical documentation, and product development. Conducts internal trainings and represents the company at conferences.

As a Working Student in Communication & Content Creation, you will support the XReality editorial team with internal communication and content creation for platforms like the intranet. You will create engaging content, assist with image, video, and film material, and contribute to the development of creative communication formats.

Riedel Communications seeks a Demo & Exhibition Project Engineer to manage technical aspects of major tradeshows and events. The role involves designing, coordinating, and leading demo system architectures, collaborating with cross-functional teams, and supporting proof-of-concept deployments.

Senior Credit Manager responsible for risk analysis, credit decision facilitation, and ongoing management of real estate credit exposures. Requires experience in hotel investments, cash flow projections, and valuations.

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. Collaborates with Finance, Accounting, Controlling, Legal, and business stakeholders.

Experienced IT leader needed to provide strategic and operational direction for central IT domains including AI, infrastructure, security, and data analytics. Drive IT strategy alignment with business objectives and ensure reliable, secure, and scalable technology services.

The Sustainability Coordinator will analyze sustainability KPIs, track progress, monitor regulations, and support compliance with certifications like Rainforest Alliance and Fairtrade.

Experienced Process Modelling Expert needed for a 6-month+ SAP S/4 HANA transformation project. Focus on business process modelling across various areas including Idea to Market, Source to Pay, and more. Requires Signavio and BPMN 2.0 expertise.

Supports Fidelity's Institutional Asset Management activities in Germany, working closely with the Head of Insurance and Family Offices and senior sales colleagues. The role includes exposure to different institutional client segments, with a particular focus on insurance companies, family offices and pension funds. Assists in new mandate tenders, client-related initiatives, business reporting, and events.

Test Engineer for Avionics and Weapon Integration (m/f/d) for Airbus Defence and Space in Manching. Responsibilities include reviewing avionics system requirements, defining test cases, developing test procedures, conducting system integration tests, and analyzing test results.

Sales Development Representative will generate leads, analyze and qualify them, and actively outreach to customers. Responsibilities include presenting company products, identifying customer needs, and establishing customer relationships. Requires minimum 2 years of B2B sales development or account management experience, willingness to travel, and proficiency in CRM systems and MS Office. German native speaker or C2 level required, English B2 or better.

Part-time Office Manager needed for a dynamic team in Ettlingen. Responsibilities include managing office operations, coordinating schedules, handling financial administration, and supporting recruitment. Fluency in German and English is required.

Provides executive support to two Managing Directors, including calendar management, travel coordination, and meeting preparation. Also manages day-to-day operations and environment of the Berlin office. Requires experience supporting C-level executives, preferably in a startup or high-growth environment. Excellent written and verbal communication skills in English are essential.

Network Engineer responsible for the operation and development of network infrastructure including UTMs, firewalls, routers, switches, VPNs, and leased lines. Supports customer-specific projects and provides 2nd and 3rd level technical support. Requires experience in network administration, planning, and Cisco technologies.

Lead and develop the IT team, defining and implementing IT strategy aligned with company goals. Oversee support across Microsoft 365, Active Directory, networking, VPN, and Windows/Linux server environments. Ensure stable and secure operation of all IT systems and endpoints. Manage IT procurement, assets, and inventory.

As an Inventory Assistant, you will ensure successful delivery of store implementation projects at client sites. You will catalog and verify client inventory, organize stores to brand standards, and deliver projects to agreed timescales.

As a Platform Engineer, you will ensure the reliable operation and continuous improvement of the IDS Market Data Platform. Responsibilities include system monitoring, incident resolution, maintenance, and vendor integration. You will also support the migration to a cloud-based system.

Manages purchase, repair, and complaint orders, including creation, review, and processing. Handles customer inquiries, delivery formalities, and customs procedures. Requires experience in order handling, proficiency in MS Office, InPoint, and SAP, and fluency in German and English.

SoC Verification Engineer will develop and maintain reusable testbenches for IP/block-level verification and support IP integration verification. Responsibilities include building test cases tailored to RISC-V SoCs, analyzing coverage models, and debugging test failures.

Production Planner (f/m/d) for a 24-month fixed-term contract. Responsibilities include sales/production forecasting, supply chain coordination, and data analysis. Requires a degree in economics/logistics or commercial/technical training, 5+ years in SCM, and 2+ years in demand planning. Strong ERP (SAP & Sage B7) and MS Office skills are essential.