java English-speaking jobs in Mainz

Manage and develop a team of engineers specializing in electrical monitoring, security, and building automation systems. Plan, implement, and supervise projects ensuring quality, efficiency, and compliance. Collaborate with departments and partners to optimize processes and implement innovative technologies.

Expert in SAP ECC HCM with deep knowledge in PA, OM, PY, or PT modules. Support clients on their path to S/4HANA, advising on migration strategies and architectural options. Contribute to complex transformation programs.

Regional Security/Loss Prevention Manager provides subject matter expertise and operational leadership to support security and loss prevention needs across multiple business divisions. The role is responsible for protecting people, assets, and corporate reputation by supporting the implementation of regional security strategies, policies, and operational plans.

Sales Assistant needed for Citees store in Cologne. 30 hours per week, rotating shifts. Previous customer service experience and English proficiency preferred. Responsibilities include advising customers, handling sales transactions, and supporting inventory management.

Steer and oversee strategic Venture activities for water line integrity, developing and implementing market, business, and service strategies. Drive progress, ensure service scalability, and provide market requirements for development teams. Manage team members, collaborate with stakeholders, and achieve defined goals within budget and time constraints.

SAP Specialist required for configuring and maintaining SAP Project Systems (PS) within S/4HANA. Expertise in RA Key, revenue recognition, and settlement processes is essential. Strong understanding of project costing, budgeting, and multi-scenario execution is needed. Integration with Finance, Logistics, and Sales modules is required. Experience with SAP Signavio, Cloud ALM, and reporting tools is beneficial.

Support marketing projects and campaigns for the Grid Solutions business line. Responsibilities include content creation, event organization, and marketing material development.

The Postdoctoral Researcher will conduct experimental in vivo and in vitro work, including experimental design, data analysis, and scientific publishing. The position requires a doctoral degree in biology, veterinary medicine, or a related field, at least 3 years of experience working with mice, and successful completion of animal training courses.

Project HSE Administrator to provide administrative support, manage documentation, and ensure compliance with HSE regulations. Requires 3-5 years of HSE administration experience in industrial or Oil & Gas environments, HSE qualification preferred, and strong English and German language skills.

Designs and implements AI solutions for client and internal applications using Python, Databricks, SQL, Docker, and LangGraph. Develops multimodal agents, automates workflows, and deploys AI models on platforms like Azure, AWS, or GCP. Documents processes and presents findings to stakeholders and clients.

Field Service Engineer will install, commission, and maintain Pylontech's BESS and inverter systems. Responsibilities include troubleshooting, customer training, and service documentation. Requires a degree in Electrical or Mechanical Engineering, experience in the PV inverter and energy storage industry, and fluency in English and German.

The Project Manager will plan, manage, and monitor projects from initiation to closure, ensuring delivery to quality standards within budget and timeline. Responsibilities include defining project governance, managing risks and issues, and collaborating with stakeholders. Requires a bachelor's degree, extensive project management experience, and a PMP or PRINCE2 certification.

Leads a multidisciplinary team in dental materials and delivery systems, defining and executing technology platform strategy. Drives development of new technologies and manages collaborations to accelerate innovation. Requires a Ph.D. in a relevant field or Master's degree with extensive industry experience.

Develop software components for helicopter simulations, integrate them into systems, and execute integration tests. Requires a degree in Computer Science, Aerospace Engineering, or a similar field, experience with C/C++, Qt, and RTOS.

Manage and optimize display campaigns across GDN, Native, and Programmatic platforms. Ideate creative concepts, conduct A/B tests, and analyze campaign performance. Monitor key metrics, provide optimization recommendations, and stay current on industry trends.

Designs and implements low-level software for microcontrollers, focusing on real-time processes and signal processing. Develops bare-metal software, including bootloaders and application-level software. Collaborates with senior engineers and electronic engineers on debugging and testing. Requires a bachelor's degree in a related field and 3-4 years of firmware or embedded software development experience.

Digital Customer Engagement Manager for SAP Basis professionals seeking a customer-facing, consultative role. Provides guidance, coordinates with TechOps teams, and ensures seamless customer operations. Requires 5+ years of SAP Basis experience, 2+ years of cloud knowledge, and strong communication skills.

Full Stack Developer needed for a 12+ month project. Develop and maintain webstores and self-service portals using React, TypeScript, Java, Golang, Node.js, and related technologies. Provide mentorship to junior team members. Must have strong English communication skills and a proactive, solution-oriented mindset.

Product Manager – SAP Managed Cloud Services (f/m/d) NTT DATA Business Solutions is looking for a Product Manager to drive innovation in SAP Managed Cloud Services. You will be responsible for identifying market trends, creating managed services roadmaps, designing new global services, and supporting sales and presales teams. **Your responsibilities:** * Identify and evaluate market trends and new technologies for IaaS and PaaS services for our SAP customer base. * Create managed services portfolio roadmaps. * Design new global managed cloud portfolio services in terms of content, offerings, and cost calculation. * Take on end-to-end service offer management (go-to-market, portfolio, delivery) with a focus on portfolio lifecycle management. * Support sales and presales teams with your expertise. * Maintain key product documentation (SOWs, costing, pricing, sales enablement). * Provide internal teams with product knowledge and conduct enablement sessions. * Prepare decision-making templates for senior/executive management. **Your profile:** * Successfully completed a degree in (business) information technology, economics, or a comparable qualification. * At least 3-5 years of professional experience in SAP technology consulting, operations, and

This role requires a Microsoft Integration Consultant with SAP-Microsoft integration experience to design, build, and maintain integrations between MS Power Platform and SAP. Responsibilities include leading integration projects, providing technical guidance, and ensuring compatibility and performance. The ideal candidate will have experience with Microsoft Power Platform, Microsoft Fabric, Azure integration stack, SAP ECC/S/4HANA, and integration technologies.