customer service English-speaking jobs in Siegen

Service Technician provides on-site support for the operation and maintenance of industrial fluid systems at a customer's manufacturing facility in Offenbach am Main, Germany. Responsibilities include ensuring optimal fluid condition, communicating with internal and external stakeholders, and maintaining accurate data. Requires technical training or equivalent experience, fluency in German and English, and strong customer focus.

Amazon is hiring Warehouse Staff for entry-level roles. Opportunities are available for full-time or part-time schedules. The role involves working fixed shifts, typically Monday through Saturday.

This fast-track program offers early leadership exposure across strategy, products, customers, operations, and sales within a global industrial manufacturing organization. Requires a technical or business degree and fluency in English and German.

This role owns and governs end-to-end global planning processes, including Demand, Supply, and S&OP. The GPO drives process harmonization, supports planning transformation, and acts as the business owner for future planning technology, specifically o9 Solutions.

Technical Support Engineer provides pre-sales and after-sales support for solar PV, inverters, and energy storage. Responsibilities include system configuration, troubleshooting, and maintaining technical documentation. Requires a relevant technical degree and fluency in German with good English.

Senior Director Product Management for Surgical Imaging. Oversee the global product portfolio lifecycle, defining strategic direction and ensuring technical excellence, regulatory integrity, and innovation in imaging and OR integration.

Site Director role for an international Industrial Technology business. Responsible for overall management, direction, and performance of a manufacturing operation, focusing on operational excellence, team development, and achieving Safety, Quality, Delivery, and Cost objectives.

Experienced Healthcare Project Manager needed for challenging architectural projects. Responsibilities include leading teams, managing contracts and budgets, and ensuring compliance with quality and deadlines. Requires an Architecture degree and extensive planning/execution experience.

Experienced MEP Quantity Surveyor needed for a 12-month contract supporting a major life sciences project. Responsibilities include commercial management of MEP packages, budget control, and managing variations. Strong MEP and construction contract knowledge required.

Evaluates food safety practices, hygiene standards, and operational compliance in restaurants. Conducts on-site inspections, assesses food handling and sanitation processes, and submits detailed reports.

Client Manager in a global investment management business. Responsibilities include client relationship management, sales support, operational coordination, and market intelligence. Requires a degree in Finance/Economics, fluent German and English, and financial services experience.

Lead Digital First partnerships with large, digitally-native companies, driving growth through AI-powered Search and YouTube solutions. Requires 15 years in digital sales leadership and fluency in German and English.

Perform lab activities including organic synthesis and chemical analysis to support new silicone product development. Requires vocational training as a CTA or comparable qualification, 1-3 years of lab experience, and fluency in English and German.

Build and scale the cybersecurity sales organization. Lead, coach, and develop multidisciplinary sales teams. Develop sales approach, manage order intake, and drive business growth. Technical background in IT/cybersecurity required.

Experienced SAP S/4HANA Program Director to lead complex, multi-country global transformation programs. Own end-to-end delivery, governance, and stakeholder alignment across SAP initiatives.

Support daily HR operations including recruitment, onboarding, and personnel administration. Handle office tasks, document management, and administrative support. Requires a degree and at least 2 years of HR/admin experience.

4 km-long X-ray laser, which produces X-rays of unique quality for studies in physics, chemistry, the life sciences, materials research and other disciplines. The diverse scientific facilities at European XFEL enable scientists from across the globe to carry out a wide range of experimental techniques.

Consultant or Senior Consultant in Commercial Insurance/Reinsurance to support leading (re)insurance companies. You will analyze strategic challenges, design innovative solutions, and implement change from strategy through execution.

Experienced Quantity Surveyor/Commercial Manager needed for a senior Commercial Lead role on a major data centre project. Responsibilities include leading commercial management, cost control, and subcontractor procurement. Data centre experience is required.

Chief Growth Officer to lead international expansion and commercial scale-up for a climate-tech B2B SaaS company. Own market opening, GTM playbook replication, and sales structure development. Requires 7+ years in B2B SaaS with scaling experience.