13 English-speaking jobs in Mainz

Lead the engineering vision for IU's Website Platform and Services, shaping the technical architecture of a headless web platform built on Storyblok, Laravel, and Vue.js. Drive speed, performance, SEO, and GEO optimization to support traffic growth and conversion. Collaborate with product, UX, marketing, and data platform teams to translate business goals into measurable outcomes.

Aerodynamic Engineer will design and simulate advanced turbocharger components, including volutes, turbine wheels, and guide vanes. Responsibilities include running high-fidelity simulations, generating turbine maps, and developing 1D/3D simulation methods. Requires a PhD or Master's degree in Mechanical Engineering or similar with a focus on turbomachinery or aerodynamics and 3+ years of experience in automotive or related engineering fields.

Senior Patient Safety & PV Physician needed for a globally leading (bio)pharmaceutical company. Focus on orchestrating global Patient Safety and Pharmacovigilance (PSPV) and Risk Management (RM) for compounds in late stage and post-marketing development.

Business Developer to secure battery supply (new, used, surplus) across multiple categories. Negotiate and close B2B agreements with senior stakeholders. Build a sourcing strategy, qualify supply streams, and structure deals. Collaborate with internal teams to ensure safe, compliant transport and storage. Monitor market pricing and availability.

Senior Backend Engineer to design, develop, test, and maintain software in a JVM language and Spring Boot. Experience with microservice architecture, relational and non-relational databases, and AWS is required. Full professional proficiency in English is necessary.

Outside Sales Executive for a high-stakes, uncapped commission environment. 80% field presence required, identifying, qualifying, and closing high-value accounts independently. Proven track record of top decile sales performance and a European driving license are essential.

Provides technical expertise and solutions to support sales. Analyzes customer specifications, recommends product configurations, and guides implementation planning. Develops technical presentations and collaborates with internal teams.

Sales Specialist to identify, qualify, and win buyers for energy storage systems across key customer groups. Lead sales cycles, translate customer needs into commercial offers, and coordinate with internal stakeholders and partners.

As a Sales Specialist – Battery Sourcing, you will secure high-quality, second-life-ready batteries from scrap yards, workshops, and other sources. You will negotiate contracts, perform on-site assessments, and build a supplier intelligence database. You will collaborate with the Business Development team to align sourcing targets with demand from OEMs, tier-1s, and energy storage companies.

Working student to support office management, focusing on customer training and consulting team coordination. Responsibilities include scheduling training sessions, managing correspondence, and arranging travel.

Experienced Clinical Research Associate needed for full-service CRO. Medpace provides Phase I-IV clinical development services to the biotechnology, pharmaceutical, and medical device industries. Sign-on bonus up to 7,500 EUR based on experience.

Collects mapping data using client-provided vehicles equipped with data collection equipment. Operates vehicles safely and efficiently, adhering to project guidelines. Maintains vehicle and equipment cleanliness and reports incidents professionally. Requires 5+ years of driving experience, 2+ years professional driving experience, and good English.

Team Lead Assembly to plan, coordinate, and oversee daily assembly operations, ensuring safety, quality, and productivity. Develop, implement, and optimize processes to improve production efficiency. Collaborate with cross-functional departments and team leaders.