student English-speaking jobs in Gelsenkirchen

The Chair of Internet Business seeks a Doctoral or Postdoctoral Researcher for a fully-funded, fixed-term position (3 years, renewable) to work on an interdisciplinary project on 'Resilient Regulation in Digital Markets'. The successful candidate will develop experimental studies related to standardization processes in digital industries and contribute to project coordination and dissemination.

Develop focused, deployable Python tools for data ingestion, de-identification, and dataset management within a scientific and data-oriented environment. Strong Python skills, data handling experience, and engineering common sense are essential.

The Customer Success & Operations Manager drives retention, growth, and operational excellence for the Standard Segment in DACH. This role combines portfolio ownership, renewal governance, pipeline generation, and operational program leadership.

Associate Founder for a defence tech scale-up. Define and execute go-to-market strategy, lead strategic initiatives, and engage with stakeholders. MBA or strong business background required, native German fluency essential.

Site Manager responsible for executing turnkey timber construction projects from groundbreaking to handover. Manages schedules, costs, quality, and coordinates subcontractors. Requires technical qualification in building construction, experience managing turnkey projects, and strong communication and organizational skills.

Provide customer service to Finnish-speaking customers via chat, phone, and email regarding orders and products.

Lead Zenjob's B2B marketing engine, developing and owning the marketing strategy, driving lead generation campaigns, and managing a team.

Research Engineer to develop design and calculation methods for pressure vessels. Analyze materials, perform FEM calculations, and collaborate with teams to drive innovation in energy technology. Requires experience with pressure equipment, DIMy software, and relevant design standards.

Intern will analyze, monitor, and contribute to investment decisions for a €15bn portfolio. Support investment managers with day-to-day tasks, analysis, and reporting.

Lead the vision and execution of AI-enabled modeling approaches across a biopharmaceutical company's development portfolio. Drive and deliver a robust AI/ML and Pharmacometrics strategy for dose optimization, extrapolation, study design, and regulatory planning.

Experienced Technical Director needed for hyperscale and mission-critical data center developments. Full accountability for technical integrity, constructability, quality, performance, and operational readiness throughout the project lifecycle. Extensive hyperscale data center experience, strong electrical and mechanical systems expertise, and full project lifecycle experience required. Site-focused role with extensive travel across EMEA.

Experienced HR professional needed for part-time role (10-20 hours/week) supporting managers and employees across the employee lifecycle. Responsibilities include HR administration, payroll, recruitment, and ensuring compliance with labor laws.

Enterprise Account Executive will own the full sales cycle in Germany for AI-driven solutions, partnering with leading food distributors to transform their operations.

UPM could be the team for you. We are frontrunners in developing renewable alternatives to fossil-based materials. Besides enabling both businesses and consumers to make more sustainable choices, we strive to create a positive UPM experience for all our employees around the world. We live by our values – trust and be trusted, achieve together, renew with courage.

The Custody Tax Product Manager (Senior Vice President) defines and executes the product roadmap for tax services delivered to cross-border institutional investors. Responsibilities include monitoring tax changes, defining tax servicing standards, executing the tax strategy, and managing client and competitor market research. The role requires expertise in German tax regulations applicable to taxation of securities and fluency in German and English.

Experienced Pega CDH Lead Solutions Consultant to design and implement CDH solutions. Define decisioning strategies, collaborate with stakeholders, and ensure business alignment.

The Project Quality Manager ensures successful project delivery by establishing, implementing, and maintaining quality management systems. The role drives compliance with company standards, client requirements, and ISO 9001 principles. The Project Quality Manager collaborates with project teams, subcontractors, and suppliers to ensure quality is embedded in all project aspects.

Manage and develop a portfolio of international partnerships for Lidl-Trek, ensuring contractual rights management and optimized delivery of partnership assets. Drive brand activation campaigns, conceptualize hospitality programs, and deliver performance tracking and reporting.

Senior Specification Specialist manages end-to-end data and specification management for formulations and product release parameters. Creates new material and specification numbers, maintains master data in ERP, RIM, and LIMS, and implements specification changes in IT systems. Coordinates the Management of Change process and supports Regulatory in preparing composition statements. Requires a Bachelor's degree and 10 years experience, or a Master's degree and 8 years experience, or 15+ years of experience in a relevant scientific discipline.

Supports the implementation and maintenance of Business Continuity Management (BCM) and Operational Resilience across Allane Mobility Group. Assists in IT and Cyber Risk Management, including risk assessments, incident reporting, and monitoring. Conducts Business Impact Analyses (BIA) and develops and updates Business Continuity Plans (BCPs).