intern internship English-speaking jobs in Klosterneuburg

Lead end-to-end accounting operations for a fast-growing SaaS company. Own the accounting cycle, treasury controls, tax & compliance, and finance automation.

QA Engineer will ensure the quality of mobile products and backend services. Responsibilities include planning, designing, and executing manual test cases for iOS, Android, and backend systems. Collaborate with product owners, developers, and designers to refine acceptance criteria and catch issues early.

Support global automotive marketing communications initiatives. Assist with website updates, content creation, and project coordination.

Internship focused on the analysis and characterization of solid and liquid samples derived from plastic waste. The role involves sample preparation, instrument maintenance, and data management.

Provides onsite technical support for desktop and laptop systems, including troubleshooting, IMAC activities, and software management. Administers approved software installations, updates, and security patching. Supports printers, scanners, and peripheral devices. Follows ITIL practices for incident, problem, and service request management.

Seeking an apprentice to set up, install, configure, and test hardware and software. Responsibilities include identifying technical problems, developing solutions, and creating technical documentation.

We are seeking ambitious entrepreneurs to build and scale Industry 4.0 startups. You will own and operate your startup, receive support in hiring, product development, and fundraising, and benefit from mentorship from unicorn founders. Must be based in Europe or the Americas and fluent in English.

Lead and develop a team of Quality Engineers for gas engine power plants. Qualify and develop suppliers in all quality-related areas. Provide support for new projects and serial production launches. Coordinate on-site supervision of suppliers to identify non-conformances and risks.

The Groups & Events Coordinator / Executive manages group bookings, coordinates event details, and ensures flawless execution of events at The Ritz-Carlton, Vienna. This role requires exceptional organizational skills, personalized service, and a commitment to excellence.

Registered Nurse needed for 1:1 care of an 80-year-old VIP client aboard a private yacht. Responsibilities include medication management, chronic condition monitoring, medical coordination, and travel accompaniment. Must have a BSN, 4+ years acute hospital experience, Native English or C1 level, and be able to travel extensively within Europe.

The Executive Assistant supports the Managing Director in Europe by coordinating regional collaboration, providing market expertise, and driving cultural and operational initiatives.

The Managing Director (f/m/d) Central and Eastern Europe (CEE) will lead the strategic planning process for SAP CEE in alignment with the overall MEE strategy and drive the expansion of a sustainable SAP Cloud business. The MD will take overall P&L responsibility for the performance of SAP CEE and build and maintain vital relationships with customers and partners.

International Project Manager for SPA & Wellness projects. Manage international customer projects from initial contact to delivery. 3-5 years of experience in Sales Support / Inside Sales / Project Coordination, ideally from the SPA, Wellness, Sauna, or 5-star hospitality sector. Excellent communication skills in English, additional languages appreciated.

Develops deterministic and non-deterministic automations, integrates APIs with various systems, and ensures quality, security, and compliance. Requires 3+ years of experience, strong process understanding, and proficiency in automation frameworks and REST APIs. Experience with generative AI, LLMs, and MLOps/LLMOps is essential.

Lead and mentor engineering teams, driving the transformation of software development processes to become AI-assisted and AI-led. Establish and scale automated code quality and security testing standards. Own the transition to cloud infrastructure and ensure engineering alignment with business goals.

Leads the International Key Account strategy for eCommerce, driving volume and margin growth. Manages and expands relationships with key accounts, identifies new business opportunities, and leads negotiations for international tenders and supply agreements.

Head of Production & Operations to develop and execute production strategy, oversee workshop and jeweller teams, manage quality control, and optimize stock allocation.

Senior Process & Data Expert will design and govern global business processes, act as decision authority for process standards, and drive business impact through defined KPIs.

Lead Engineer for sterile pharmaceutical production. Design and optimize aseptic filling processes, from concept to production. Provide expert solutions for cleanroom and filling technologies. Manage technical projects, including documentation, procurement, and risk assessment.

German SEO Content Writer needed to create engaging, search-optimized content for websites. Must have 2+ years of experience, strong SEO knowledge, and fluency in German and English.