English-speaking jobs in Mainz

Design and develop battery energy storage systems across the full lifecycle, from feasibility to commissioning. Requires 5+ years of BESS experience, including lithium-ion and BMS knowledge.

Senior Product Manager to own the end-to-end lifecycle of content syndication products. Shape product vision, expand capabilities beyond video, and build compliance. Requires 5+ years in SaaS/e-commerce with strong AI knowledge and German/English fluency.

Senior VP Markets Solutions - Complex drives team initiatives, resolves complex index issues across asset classes, and develops processes using Python and SQL. Requires 6+ years in the index business.

Support RPO/MSP hiring programs by owning candidate generation, selection, and offer negotiations. Requires German and English fluency, recruitment experience, and strong sourcing skills.

Service Technician for dental treatment units and sterilization systems. Provides technical support to distributors and customers, including installation, troubleshooting, and maintenance. Requires a degree in Biomedical Engineering or related field and experience in technical support for medical devices. Fluent German and English required. Extensive travel (approx. 50%) is necessary.

This fast-track program offers early leadership exposure across strategy, products, customers, operations, and sales within a global industrial manufacturing organization. Requires a technical or business degree and fluency in English and German.

Operate, monitor, and supervise production equipment in a manufacturing environment. Perform setup, changeover, and finishing activities, as well as minor repairs. Diagnose faults and contribute to process optimization.

As a Bioinformatician / Data Scientist, you will support the generation, structuring, processing, and analysis-readiness of high-dimensional patient data across genomics, transcriptomics, proteomics, epigenetics, liquid-biopsy, and functional ex-vivo datasets. You will ensure data is properly ingested, organized, quality-controlled, documented, and made available for downstream analyses, clinical interpretation, and digital-twin development.

The Data Center Engineering Operations Technician is responsible for the delivery of best practice systems and problem resolution on all data center electrical and mechanical infrastructure. The role requires a highly driven individual who demonstrates initiative and proactively seeks solutions to complex technical problems. Responsibilities include setting and maintaining safety standards, driving continuous improvement efforts, and collaborating with stakeholders to deliver operational excellence.

AI Research Engineer will design, develop, and deploy AI-driven security services. Responsibilities include prototyping, testing, and benchmarking AI models, as well as staying abreast of AI/ML advancements. Requires experience in Go, Python, cloud-native architectures, and AI/ML techniques.

Lead global product marketing for digital Wound Care and negative pressure wound therapy. Drive innovative business models and market roll-outs while collaborating with international teams. Requires relevant experience and fluency in English and German.

Executive Assistant supporting senior leaders in a professional services firm. Responsibilities include diary/travel management, client coordination, and supporting high-profile client assignments. Requires organization, proactivity, and strong communication skills.

Experienced Executive Assistant to support senior leadership in a global manufacturing organization. Manage complex calendars, travel, and meetings. Prepare presentations, reports, and documentation. Coordinate company events and office operations.

Warehouse Logistician/CDL Driver needed for an OCONUS contract. Duties include transporting items, using MHE, driving box trucks/trailers, and preparing cargo. Requires TS/SCI clearance, forklift certification, and ability to obtain German driver's licenses.

Seeking a Customer Solution Architect for Pre-Sales support in the DACH region. Responsibilities include prospecting, developing, and closing business opportunities for DDI solutions with large enterprises. Requires networking experience and strong communication skills.

Head of Engineering to build and scale the engineering organization for an AI-driven construction automation platform. Own hiring, org design, and architecture while working closely with founders. German speaker preferred.

Coordinates operation of the SUNDAE2 measurement system for superconducting undulator characterization. Integrates, commissions, and optimizes mechanical, electrical, and motion-control systems. Operates, maintains, and develops the SUNDAE2 Hall probe measurement system.

Study Engineer - SAR System and Performance for the Microwave Instruments Future Program. Execute system and interface engineering across disciplines and model system performance. Requires conceptual creation of complex SAR systems and proficiency in MATLAB. Fluent German and very good English skills are necessary.

Senior Project Manager to lead complex data centre and mission-critical projects. Requires 7+ years managing multidisciplinary projects, strong client-facing skills, and fluency in German and English.

Associate for Financial Restructuring team in Frankfurt. Advises companies, creditors, and stakeholders on restructuring and distressed mandates in the DACH region. Builds financial models, conducts due diligence, and prepares client materials. Requires 3-5 years of relevant experience, fluency in German and English, and strong analytical skills.