English-speaking jobs in Mainz

The Hector Research Career Development Award supports W1 Assistant Professors or junior research group leaders in natural/engineering sciences, medicine, or psychology. Applicants need a recent doctorate and aim for a full professorship or habilitation.

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.

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.

The Director of Supply Chain Management / Purchasing provides global strategic and operational leadership for the end-to-end supply chain function. This role defines and executes strategy to improve OTD, reduce lead time, and optimize cost and inventory.

Senior/Principal Scientist Tech Transfer role owning tech transfer for products on a new aseptic filling line. Requires BS/MS in a related science, GMP knowledge, and experience in Tech Transfer planning and execution.

Head of IT Infrastructure owns the global technical backbone, including networks, cloud, and data centers. This role develops global strategy, leads regional teams, and steers infrastructure projects. Requires 10+ years in IT infrastructure with management experience.

Lead product and process optimization across four cheese processing plants, including vegan alternatives. Develop and lead the optimization organization, setting strategic priorities to improve cost, quality, yield, and efficiency. Requires strong leadership and dairy technology expertise.

Experienced Head of Manufacturing needed for a pharmaceutical site in Germany. This role takes full ownership of end-to-end operations, including production, packaging, and warehouse, while leading a transformation program. Must ensure compliance with German pharmaceutical regulations.

Working Student in HR Services focusing on Compensation and Benefits. This role supports the Human Resources team, which manages recruiting, career development, training, and staffing for BCG.

Head of AI Platform will architect and evolve ZEISS's enterprise AI platform, ensuring a secure, scalable foundation for AI-driven business value. This role drives self-service capabilities and foundational infrastructure for agentic AI.

Nordson Industrial Coating Systems seeks a driven Account Manager to develop and grow customer relationships in Northern, Eastern, and North-Eastern Germany. The role involves identifying new business opportunities, building a sales pipeline, and collaborating with internal teams to support customers.

Lead planning and execution of schedules for offshore wind projects across the full lifecycle. Manage integrated schedules in Primavera P6, monitor performance, and mentor junior planners. Requires engineering degree and experience in large-scale project scheduling.

The Mechatronic Engineer will coordinate the operation of the SUNDAE2 measurement system, integrating, commissioning, and optimizing its mechanical, electrical, and motion-control systems. Responsibilities include operating and maintaining the Hall probe measurement system, specifying and integrating new instrumentation, and developing measurement procedures.

Principal Solution Architect defines and implements system architectures for DHL Express sub-domains, ensuring alignment with business needs and IT Target Architecture while minimizing complexity and costs.

Drive sales and deliver IT solutions to partners as an IBM Inside Sales representative. Manage and grow partner relationships, collaborate with vendor teams, and ensure seamless delivery of products and solutions.

Manage day-to-day operations of after-sales service partners in Germany and Europe. Support partner development, implement service processes, and monitor KPIs. Requires analytical skills and cross-functional coordination.

Site Manager will lead on-site construction activities, ensuring quality delivery aligned with client procedures, safety standards, and project objectives. Responsibilities include managing contractor interfaces, supervising site activities, and coordinating design and work package management. The role requires 10-15 years of construction supervision experience, a relevant trades qualification or engineering degree, and fluency in English.

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

Experienced Direct Selling leader needed to accelerate sustainable growth across European markets. Drive revenue targets, develop sales teams, and execute global strategies locally. Requires 5+ years in Direct Selling/Network Marketing.

DSP Chemical Engineer to lead downstream purification and refining strategies for microbial oils and lipids. Responsibilities include designing scalable workflows, transferring processes to pilot/manufacturing, and optimizing processes. Requires a degree in Chemical Engineering or related field.