intern internship English-speaking jobs in Gänserndorf

Records, processes, and closes customer complaints. Evaluates and analyzes claims, proposes solutions, and manages exchanges/returns. Communicates with suppliers and internal departments.

Drive new business and grow existing customer base by leading the full sales cycle for Cloudflight's portfolio of services and solutions.

The IAEA seeks a consultant to provide technical expertise for implementing activities related to the IAEA's response to nuclear and radiological events. Responsibilities include preparing, implementing, and evaluating exercises, developing documentation, and providing training.

Commercial Finance Analyst supports Sales Controlling with financial performance reporting, analysis, and promotional investment evaluations. Collaborates with the Sales Team, ensuring data integrity and compliance. Requires a finance degree, strong analytical skills, fluency in English and German, and proficiency in Microsoft Office, including Excel. SAP experience is preferred.

Manages inbound and outbound logistics, including freight management, shipment execution, and delivery performance. Oversees warehouse operations, inventory control, and material traceability. Ensures compliance with import/export regulations and customs requirements. Leads a team of logistics and warehouse professionals.

This part-time Postdoctoral Researcher position (30 hrs/week) is for a three-year term starting November 1, 2026. The role is 50% dedicated to the ERC project "Ethics in Action" and 50% to other departmental tasks. The successful candidate will lead Work Package 3, conducting a comparative study of ethical dilemmas faced by local policymakers in sanctuary/solidarity cities in the United States and Latin America.

Maintenance Technician needed for mechanical and electronic production equipment. Requires technical training and experience in troubleshooting and repair. Must be able to read technical drawings and have strong German language skills.

Shape the future of our platform, ensuring every release delivers measurable impact for customers. Own the product lifecycle, from idea to release, and define and refine product requirements. Collaborate with Engineering, UI/UX, Sales, Client Operations, and Marketing to design, build, and launch product features.

Commissioning Manager (m/f/d) needed for large-scale green hydrogen plants. Plan, steer, and coordinate commissioning and start-up activities. Lead technical and organizational aspects of the commissioning team. Coordinate interfaces with clients and project participants. Ensure compliance with client specifications for HSE and quality. Provide technical guidance to junior engineers. Minimum 10 years of experience in commissioning process plants.

Head of sales and receivables accounting department responsible for preliminary tax law analysis, interface with tax consultancy, and closing entries for project terminations.

The Austria Contracting & Tender Specialist will execute contract administration processes, analyze data, and identify process improvements. This hybrid role in Vienna, Austria, requires experience in contract administration and management.

Develop and adapt security proofs for practical quantum key distribution (QKD) systems. Analyze implementation details and map them into appropriate proof models and security statements. Work on security analyses for both prepare-and-measure and entanglement-based QKD protocols. Contribute to internal research and scientific publications in the field of QKD security. Collaborate with colleagues on theory, implementation, and secure-key-rate analysis.

Postdoctoral researcher to investigate data analysis and automation techniques, with emphasis on machine learning, for satellite laser ranging. Will analyze and process SLR, SDLR, and LC data, utilize ML for orbit determination, and contribute to scientific publications. Requires a PhD in a relevant field, software development expertise, and experience in data analysis and scientific publishing.

Support the global engineering team in the technical execution of tunnel projects, developing expertise in tunnel formwork systems. Learn GEC-specific tasks through a structured onboarding program and apply knowledge in real projects.

Revenue Accountant to support revenue recognition, analyze sales contracts, and ensure compliance with financial regulations. Requires a Bachelor's degree in Accounting, Finance, or related field, experience in revenue accounting, and knowledge of IFRS 15.

Manage IFRS consolidation, prepare consolidated financial statements, and provide IFRS guidance to subsidiaries.

Accounting Clerk responsible for processing invoices, managing accounts payable, and assisting with financial statement preparation. Requires vocational training in hotel or business management, strong numerical skills, and proficiency in MS Office. Fluency in German and English is essential.

Senior Finance Business Partner for Engineering & Digital, ensuring financial accuracy, leading planning and forecasting, and providing financial insights to drive performance transparency.

Develop segment strategies for marine products, drive market entry, and build industry knowledge. Requires experience in marine business development, strong analytical skills, and fluency in English.

Technical Support Specialist providing expert support to internal and external stakeholders on technical inquiries. Troubleshoots claims, analyzes regional regulations, and contributes to developing technical training programs. Requires 5+ years of automotive technical support experience in Austria and fluency in German and English.