student English-speaking jobs in Gelsenkirchen

Lead a team in Business Development and Project Development for PV, onshore wind, and BESS across North-Eastern Germany. Drive strategy, manage three direct reports, and shape the regional pipeline. Fluent German and English are essential.

Experienced Civil or Structural Engineer needed for energy infrastructure projects. Responsibilities include civil and structural design for battery storage and substations. Requires a relevant degree, design experience, and fluent German and English.

Support the DACH region for Residential & Commercial Cleaners and Covers. This role combines technical support, partner development, training delivery, and service network coordination. Requires a technical degree and 3-5 years of relevant experience.

Head of People & Operations to build organizational and operational systems for a growing biotech company. This senior, hands-on role reports to the CEO, owning People, operations, and Series A readiness. Requires experience building processes in early-stage organizations.

Lead BESS strategy and project portfolio across Germany and Europe. Own development from origination through operations, building and mentoring a multidisciplinary team. Requires deep energy-storage expertise and commercial judgment.

Senior Ground Software Engineer needed for mission-critical defense and aerospace systems. Develop high-performance, operator-facing C++ applications across Linux and Windows. Requires 5+ years of experience and strong software architecture knowledge.

Senior Firmware Developer to design and implement C++ application firmware on ARM Cortex-M microcontrollers using an RTOS. Focus includes credential processing (Mifare DESFire, HCE, mobile wallets) and secure system features. Requires 5+ years of embedded firmware experience.

Sales Engineer Photonics will deliver presentations, conduct product demos, and coordinate feasibility studies. Analyzes the APAC market, develops marketing campaigns, and structures product requirements. Requires a technical background in electronics, semiconductor engineering, or a related field. Fluency in English is required, additional language skills are a plus. Travel within the APAC region is required.

Doctoral Researcher positions are available in Economic Theory, Empirical Microeconomics, Econometrics, or Behavioural/Experimental Economics. Requires a completed M.Sc./M.A. in Economics or related quantitative field.

Define future architecture and drive Conformity & Attestation transformation for PLM solutions. Act as SAP technical referent, support teams, and perform technical audits. Requires good SAP knowledge and stakeholder management.

Venture Capital Investor Accelerator is an 11-week apprenticeship-style program providing structured training and hands-on experience in deal sourcing, due diligence, portfolio support, and fund strategy.

Wood Defect Product Owner to own the data to model to customer feedback loop for AI wood defect detection. Requires forestry or wood science background and digital competence to improve AI model quality.

Coordinate the operation of the SUNDAE2 measurement system, integrating and optimizing mechanical, electrical, and motion-control systems. Develop and improve measurement procedures for superconducting undulators. Requires a Master's in a relevant engineering field.

Experienced Project Manager needed for interior fit-out and data centre projects. Responsible for delivery from pre-construction to handover, managing budgets, schedules, and quality. Requires 8+ years construction experience.

Lead the development of key features for vendor-paid promotions products. Own the product vision and strategy to establish vendor promotions as a key lever for success. Requires 10+ years in digital growth/promotions and 7+ years leading teams.

Customer Service / Telephone Reception Specialist needed to manage incoming calls and provide first-line support for e-bike drive systems. Responsibilities include handling enquiries via phone and email, documenting requests, and coordinating with specialist teams. Native German is mandatory.

Experienced Director of Regulatory Affairs needed to provide strategic leadership for an in vitro diagnostics portfolio. Responsibilities include executing global regulatory strategy, supporting product development, and ensuring compliance with EU IVDR and FDA requirements.

Product Owner for Product Control Systems manages content and organization in electronics/software. You will coordinate development, align requirements, plan budgets, and drive product transfer to series production.

Litigation Lawyer to benchmark AI systems by evaluating responses to real-world litigation questions. Requires 2+ years of litigation experience, strong knowledge of procedural law, and fluent French.

Senior Sales Engineer for a market-leading SaaS platform in privacy, risk, and AI governance. Own the full deal cycle, driving technical deep-dives, POC execution, and custom integration design. Requires 2-5 years in SaaS pre-sales with business-fluent German and English.