12 English-speaking jobs in Mainz

Senior Optical Design Engineer to develop next-generation AR systems. Lead development of software tools for optical design and analysis. Prototype waveguide and component concepts, design DOEs, and analyze experiments. PhD preferred with strong Python programming skills and experience with optical component manufacturing.

Senior Engineer for Optical Design will develop software tools for optical design and analysis. Prototype waveguide and component concepts, design DOEs, and analyze experiments. Requires MS in Optical Engineering or related field, strong Python programming skills, and proficiency with optical simulation tools. Experience with Monte Carlo tolerancing, sensitivity studies, and optical component manufacturing is preferred.

Senior Engineer for Optical Design will develop software tools for optical design and analysis. Prototype waveguide and component concepts, design DOEs, and analyze experiments. Requires MS in Optical Engineering or related field, strong Python programming skills, and proficiency with optical simulation tools. Experience with Monte Carlo tolerancing, sensitivity studies, and optical component manufacturing is preferred.

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.

Outside Sales Executive for Hästens, a global luxury sleep brand. Focus on strategic hunting, identifying and closing high-value accounts independently. Requires proven sales track record, mobility, and stamina. 80% field presence, uncapped commissions, and zero micro-management.

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.

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.

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.

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.