construction English-speaking jobs in Mainz

Execute KJUS sales strategy across ski, golf, and lifestyle categories in Central and Southern Germany, focusing on wholesale and B2B channels. Drive sales growth, manage budgets, and strengthen brand presence. Analyze market trends, manage showroom operations, and provide product knowledge training.

Working Student for Danish Translations (m/f/d) will create, translate, and proofread content for the Danish market, including product descriptions, campaigns, and social media. Must be enrolled in a Bachelor's or Master's program, fluent in Danish and English (C1), and available 15-20 hours per week.

Business Controller (m/f/d) IT and Research & Development will act as a finance and strategic sparring partner to IT and R&D leadership teams. Responsibilities include budgeting, forecasting, performance evaluation, and business partnering to support commercial decision-making.

Warehouse worker (m/f/d) for permanent night shift at a leading international wholesaler in Hanover. Responsibilities include receiving, storing, relocating, packaging, and preparing shipments. Previous warehouse experience is desirable. Good German or English skills are required.

The German Sport University Cologne seeks a W1 Junior Professorship in Data Science. The focus will be on the collection and analysis of multimodal training and movement data, with a methodological emphasis on statistical and machine learning methods. The successful candidate will participate in teaching programs and contribute to the university's research activities.

Provides laboratory management, mouse colony management, and training support. Performs cell analysis, isolation, and culture. Requires experience with flow cytometry, mouse models, and molecular biology techniques.

Design, implement, and optimize end-to-end AI pipelines integrating Large Language Models (LLMs) into semiconductor testing workflows.

International Payroll Specialist needed for fixed-term contract (July 2026 - December 2027). Process, audit, and reconcile international payrolls for Germany, Austria, and Switzerland. Partner with external providers and internal stakeholders to ensure accurate and timely payroll reporting.

Bilingual Sales Specialist (Spanish/English) will manage the full auction process, build client relationships, and research vehicle values. Must have prior sales experience, fluency in English and German, and proficiency in CRM systems.

Develop and implement sales strategies for international markets. Manage international business development projects, including market analysis and partnership establishment. Analyze business development activities and identify growth opportunities.

Retail Intern to support a team in a high-class luxury brand. Responsibilities include customer service, operational support, and stock organization. Must have a passion for luxury retail, creativity, and fashion. Fluent in German and English.

We are a leading global online food delivery marketplace. Our tech ecosystem connects millions of active customers with hundreds of thousands of connected partners in countries across the globe. Our mission? To empower every food moment around the world, whether it’s through customer service, coding or couriers.

German-speaking Sales Representative to promote energy audit services, build client relationships, and contribute to market growth.

Principal Biostatistician provides end-to-end statistical leadership for Phase II and III clinical trials. Leads SAP authoring and review, supports integration activities, and communicates with cross-functional teams.

Own and drive the global sensor portfolio for Coordinate & Vision Measuring Machines (CMM & VMM), shaping strategy, market positioning, and commercial success.

Senior Specialist SAP Application BI Global (m/f/d) required for stable operation and analysis of SAP BW/BI landscape. Experience with SAP Analytics Cloud, SAP DataSphere, and process chain monitoring is essential. Strong analytical skills and collaboration experience are needed.

PhD candidate to investigate the metabolic function and mechanistic pathways of immune cells during anti-tumoral and anti-viral defenses. The position involves planning and executing molecular biological experiments using in vitro and in vivo techniques.

Design and automate UI and integration tests for electrical CAD software. Develop and maintain tests using established frameworks. Contribute to code reviews and identify software risks. Bachelor's degree in Computer Science or equivalent with 5+ years of experience as a Test Engineer. Strong knowledge of C#, UI testing frameworks, and integration testing frameworks. Experience with agile methodologies, code reviews, Git, and CI/CD. Excellent analytical and communication skills. English C1 required, German a plus.

System Administrator responsible for Windows Server, Active Directory, IT Service Desk support, backup/restore, and VoIP telephony administration.

HR Business Partner to provide in-market HR expertise and support for Pizza Hut Germany. This standalone role ensures compliance with German employment law, manages payroll and benefits, and partners with leadership on workforce planning and talent development.