6 English-speaking jobs in Mainz

Lead the affiliate-wide Customer Excellence agenda, driving commercial performance, customer experience, and operational effectiveness. Partner with the General Manager and Affiliate Management Team to turn priorities into action and lead affiliate business planning and performance management. Drive transformation across Commercial, Medical, Market Access, and Business Technology Services.

As a Sales Specialist – Battery Trading, you will source high-quality, second-life-ready batteries from scrap yards, workshops, and other non-traditional sources. You will negotiate contracts, perform on-site assessments, and build a supplier intelligence database. You will also onboard vehicle repair workshops as buyers for these batteries.

Processes customer orders, returns, and account inquiries via email, phone, and web chat. Provides quotations for standard optics and manages open sales orders. Requires experience in customer service, proficiency in MS Office, and fluency in English. Additional language skills are beneficial.

Senior Engineer Optical Coating - Augmented Reality will design, simulate, and optimize optical coatings for AR waveguides. The role involves collaborating with optical designers, leading development projects, and supporting production scale-up. Requires 7+ years of experience in thin film optical coating development and proficiency with coating design and simulation tools.

J&T Express seeks experienced Operations Supervisors to lead and develop teams in Frankfurt, Düsseldorf, Hamburg, and Berlin. Responsibilities include overseeing daily sorting center operations, monitoring KPIs, driving continuous improvement, and ensuring compliance.

Experienced barbers sought for full-time, permanent positions in Nordic partner salons. Offer includes competitive salaries starting at 3,000 EUR per month gross, flight ticket coverage, and relocation support. Responsibilities include hair and beard cuts, client service, product sales, and salon upkeep. Minimum 1 year of experience or certification required, intermediate English proficiency, and a European passport.