Part-time English-speaking jobs in Gelsenkirchen

Biology Teacher needed with 2-10 years of high school teaching experience. Responsibilities include developing engaging lesson plans, assessing student performance, and fostering a positive learning environment. Skills required are Data Analysis, Classroom Management, Curriculum Development, Scientific Writing, and Student assessment.

Senior, site-based Mechanical Construction Manager needed for complex mechanical building services installations on major projects. Oversee M&E, mission-critical, pharma, or healthcare projects from installation through commissioning and handover.

Develop and implement integrated PR and communications strategy for a growing media and technology company. Manage internal and external communications, build media relationships, and support company and product messaging. Requires 5+ years of experience and fluency in German and English.

Join Josef-Schwarz-School in Heilbronn as a Teaching Assistant / Educator. Work in a warm, international school community with small classes, modern facilities, customised learning and real scope to contribute your own ideas.

Forward Deployed Engineer to own customer technical journeys, from problem understanding to production integration. Drive deployments, demonstrate value, and shape product input using hands-on audio/Voice AI expertise.

Lead the German customs organization strategically and operationally, owning P&L. Responsibilities include ensuring legal compliance, growing external customs services, and managing customs clearance for the company. Requires extensive experience in customs and foreign trade law.

Postdoctoral Researcher or PhD Student to study early Alzheimer’s using smartphone-based assessments. Tasks include data preparation, applying mixed-effects models, and collaborating on research. Requires a relevant PhD and experience with longitudinal data analysis.

Senior Business Operations Coordinator supports a global biotech company's German organization. Responsibilities include coordinating operations, vendor management, contracts, and projects across leadership and commercial functions. Requires 5+ years of experience in pharma or biotech. Fluent German and English are required.

Support coordination for PRIME-ARI and LEAPS-TECH projects, including developing training material and managing industrial outreach. Monitor work plans, liaise with partners, and consolidate technical contributions. Requires relevant project coordination experience and excellent English.

Executive Director Market Insight's leads global competitive intelligence across trials and market developments. This role generates insights to support brand strategy, forecasting, and financial planning, requiring 10+ years of pharma/biotech commercial experience.

Automation Engineer to develop and optimize automation and production systems. Responsibilities include troubleshooting robotics and PLC systems, integrating sensors, and developing Smart Factory solutions.

Buyer responsible for sourcing and procuring technical components for railway diagnostic and measurement systems. Requires 3-6 years of procurement experience, knowledge of railway safety standards (EN 50126, EN 50128), and fluency in German and English.

Lead E-Commerce and Social Commerce business development for Warner Bros. Consumer Products across Germany, Austria, and Switzerland. Develop strategy, manage retailer relationships, and analyze performance data to drive growth. Must be fluent in German and English.

PhD student position investigating Tm-based solid-state lasers at 820 nm. Research focuses on spectroscopic and laser properties of Tm3+-doped crystalline fluoride and oxide gain materials. Requires MSc in physics, optical engineering, or related field.

Drive customer growth and expand the partner ecosystem for battery services. Own the end-to-end commercial lifecycle, from lead generation to account expansion. Requires B2B experience in battery/energy/automotive and fluency in English and German.

As a German Language Specialist, you will evaluate and generate multi-modal data for LLMs. Responsibilities include precise annotation, drafting accurate German/English content, and resolving data ambiguities. Requires native German and advanced English proficiency.

Experienced Civil Engineer needed for data centre design and permitting in Germany. Responsibilities include leading design, managing infrastructure, and handling local authority engagement. Requires Civil Engineering degree, German fluency (B2+), and strong English.

Design and optimize end-to-end supply chain processes, focusing on excellence, standardization, and digitalization. Requires 10+ years in Supply Chain Strategy with expertise in inventory and system transformation. Fluent in German and English.

SAP CO S/4HANA Expert needed for a 6-12 month contract. Focus on overhead expense allocations, Margin Analysis, and guiding S/4HANA Controlling solutions. Requires strong FI-CO knowledge and S/4HANA implementation experience.

Support EMEA sales and business development for IGS & RT. Coordinate sales, marketing, and commercial activities, analyzing market trends and preparing executive reports. Requires a relevant degree and strong commercial mindset.