English-speaking jobs in Siegen

Quality Assurance Manager needed to own quality, shape structures, and partner with business, regulators, and international partners. Experience in Quality Assurance within pharma (medical device experience a plus) and strong knowledge of GDP, GMP, GVP and EU regulations required.

Experienced Principal Scientist in Pharmacology needed to lead preclinical pharmacology strategy across multiple programs. Designs, oversees, and interprets in vitro and in vivo studies to support candidate selection and IND-enabling development. Communicates pharmacology data to project teams and senior leadership. Contributes to the development and mentoring of internal pharmacology capability.

Own the operational approval process and readiness of UAS missions across Europe. Develop, maintain, and evolve Operations Manuals and operational documentation compliant with EASA and JARUS requirements. Ensure operational approvals are achieved through coordination with national authorities and EASA.

Business Analyst - Customer Success Working Student supports the Customer Success Team with business analyses, market research, and project collaboration.

Drive the execution of the global Cough & Cold strategy, co-create brand strategy, and lead global brand initiatives. Manage market enablement, analyze performance, and leverage insights to inform recommendations.

Working student will design and create digital and print marketing materials for Eurowings Holidays campaigns. Responsibilities include developing concepts, creating graphics, managing projects, and collaborating with internal and external teams.

Provides administrative and operational support for HR processes within a multinational company. Assists with onboarding, offboarding, data management, documentation, performance management, and recruitment coordination.

Experienced SAP S/4HANA Project Manager needed for a Brownfield transformation. Drive outcomes, manage risks, and ensure delivery readiness. Proven PMO or program leadership expertise in integrated planning, milestone tracking, and dependency management required.

Senior Director of Manufacturing Science & Technology (MSAT) leads technical strategy for complex biologic products from late-stage development through commercial manufacturing.

Full-Stack Product Engineer to build digital health solutions for chronic cardiovascular conditions. Develop front-end (React/Mobile), back-end (Python/Django), and integrate AI/ML. 3+ years software development experience required, proficiency in React/React Native and Python (Django). C1 German fluency mandatory.

Support the growth of ZEISS' Corporate Volunteering Initiative, "A Heart for Science." Drive project implementation, create content, and communicate projects across internal and external channels. Monitor and update project resources and engage with the volunteer community.

This Executive Assistant role provides full-time support to the founder, managing their calendar, scheduling meetings, and handling correspondence. The role also involves coordinating client and candidate interactions, preparing reports, and leading operational projects.

Senior Manager of Drug Safety supports drug safety and pharmacovigilance operations, ensuring accurate adverse event reporting in clinical studies. Responsibilities include safety review of adverse events, medical review of clinical data, and interaction with external vendors. Requires a degree in a medical or life science field and minimum 4 years of relevant drug safety or pharmacovigilance experience.

Experienced Vendor Manager needed for a large-scale petrochemical construction project in Germany. Coordinate vendor activities, ensure package readiness, and interface with construction, QA/QC, and completions teams. 5+ years of experience supporting vendor packages on EPC/industrial construction projects required.

Ensures standardized IT systems and platforms for a stable, secure, and efficient data center infrastructure. Defines IT standards for network, racks, cabling, and construction requirements. Manages purchasing, external suppliers, and adherence to schedules. Provides technical management of the Network/Security team and acts as a coordinating interface for IT-related matters. Evaluates, coordinates, and processes change requests and manages resource and delivery planning. Participates in on-call duties and processes incidents and service requests.

Software Engineer to architect and ship high-performance applications. Full-stack responsibility shaping product and technical direction. 5+ years experience, proficiency in TypeScript, SQL, and modern frameworks.

Event Technician responsible for commissioning, supervising, and maintaining technical equipment for light and sound installations. Experience with lighting consoles and event technology control software is advantageous.

HR Business Partner & HR Coordinator for BayWa r.e. Solar Trade Holding GmbH. Provides HR support to global Solar Trade entities, leads recruitment, and acts as a liaison between Group HR and local teams. Manages HR projects, develops HR processes, and ensures alignment with business strategy.

Senior Site Manager responsible for executing construction projects on time and within budget. Manages site activities, personnel, and subcontractors to achieve contractual milestones. Ensures adherence to HSE plans and regulations. Requires a Bachelor's degree in a relevant field and 6+ years of experience managing construction sites in the energy sector. Fluent in German and English.

Leads and inspires the EMEA composites Sales Manager team, driving commercial strategies and profit targets. Develops and implements regional composites business strategies focused on profitable growth. Monitors P&L, provides financial insights, and supports pricing and go-to-market strategy development. Collaborates with Marketing & Communication on content generation and lead nurturing.