intern internship English-speaking jobs in Gänserndorf

About Aleph Aleph is a global leader in digital advertising and fintech, operating across 130+ high-growth markets. We provide the bridge between 55+ of the world's leading digital platforms and local businesses, combining global scale with deep local execution. With 90+ offices worldwide, we empower our sales teams to drive growth through exclusive partnerships and localized expertise.

As Group Controller, you are a key contributor to the financial success of our clients company, working closely with the Head of Group Controlling. You coordinate and challenge plant financial performance and operational reporting for all Group plants. You will develop high-quality standardization processes and reports to ensure consistent application of Group reporting standards.

Drivers will collect high-quality visuals of streets, points of interest, and public spaces using 360° cameras and lidars. Data will be stored on onboard computers and used to enhance an online mapping platform.

The World Bank seeks a Private Sector Economist to support operational and analytical work in Europe and Central Asia. The Economist will contribute to developing analytical frameworks, policy-relevant research, and lending operations focused on private sector development, market dynamics, and finance. Responsibilities include conducting market assessments, producing economic policy papers, and serving on project teams.

Design and develop electronic circuits and assemblies for vision and control systems. PCB design, testing, and firmware development. Collaborate with international teams on mechatronic projects.

Senior Design Engineer will combine mechanics, optics, and electronics to develop robust, production-ready products. Responsibilities include system analysis, cost optimization, prototyping, and cross-functional collaboration. Requires experience in precision mechanics, 3D CAD (PTC Creo), PLM systems, and design for manufacturing (DFM/DFA).

Senior Controller (m/f/d) will provide financial analysis, interpretation, and guidance to support management and business decisions within an international industrial organization.

Develop, test, and release improvements to Ubuntu on public clouds. Collaborate with teams across Canonical and cloud partners. Requires quality-oriented software engineering in Python and experience with apt, deb packaging, and system administration.

The Staff Travel Coordinator books and manages travel arrangements for employees and groups, including flights, hotels, and transportation. This role requires strong organizational skills, excellent communication in German and English, and experience in the travel industry.

Chainscale seeks a Compliance Manager / Compliance Officer (Austria / EU) to ensure regulatory compliance across Austria and the European Union. The role interprets and implements regulatory obligations, oversees conduct risk and market integrity, and manages compliance monitoring and testing programs. The ideal candidate has 5-7+ years of experience in regulatory compliance or conduct risk, experience with MiCA or EU financial services regulation, and experience operating compliance monitoring and testing programs.

Lead the global implementation and continuous development of SAP SuccessFactors as the central HR platform. Ensure standardized HR processes and data structures across all locations. Establish and govern a global HR system and data model (incl. Employee Central & Talent modules). Drive HR digitalization initiatives and projects.

The IAEA seeks qualified consultants and experts for short-term assignments in nuclear fuel cycle and materials. Expertise in areas such as geology, nuclear engineering, and nuclear fuel cycle management is required. Applicants must have a university degree and at least 3 years of relevant experience. Fluency in English is mandatory.

The GEOS Portfolio & Governance Manager drives governance and stakeholder alignment for the GEOS transformation agenda. Responsibilities include portfolio governance, orchestration of estimates and planning, driving transparency on transformation progress, and supporting strategic sourcing decisions. Requires GEOS business analysis experience, project management experience in GEOS projects, and experience in portfolio governance in complex environments. Strong stakeholder management, estimation and investment governance understanding, and executive communication skills are also needed. Professional German and English language proficiency is required.

Experienced Centre Manager needed for a high-profile retail destination. Drive overall performance, lead operations, financial outcomes, and stakeholder engagement. Manage budgets, optimize tenancy mix, and enhance customer experience. Lead and mentor on-site teams.

Experienced Setting Out Engineers needed for a major civil engineering and rail project in Austria. Responsibilities include setting out and surveying works, ensuring quality standards, and liaising with site teams. Requires a degree in Civil Engineering or related field, proven setting out experience, and knowledge of surveying equipment.

Backend Go Developer will design, implement, and maintain backend services, including APIs, background jobs, and integrations. Collaborate with frontend/mobile teams on API contracts, work with relational databases (MySQL), and contribute to performance testing and optimization. Experience with AWS, container technologies (Docker), and Kubernetes is required.

HR Advisor needed for a 12-month contract. Manage end-to-end HR operations, including payroll, employee records, and benefits administration. Ensure compliance with local legislation and internal policies. Minimum 2 years of HR experience required.

Design and develop process systems and equipment for pharmaceutical manufacturing, with a focus on greenfield projects. Contribute to large-scale CAPEX projects, including greenfield plant developments.

Investment Manager will work directly with the founding partner and IR team on fundraising operations. Responsibilities include AI-powered workflow automation, fund modeling & analytics, and investor relations & communications. Must be financially fluent, passionate about private markets, AI-native, an outstanding communicator, and have an end-to-end ownership mentality.

Three PhD positions in Quantum Gravity are available at the University of Graz, starting Fall 2026. Successful candidates will join the Quantum Gravity Group and conduct research on comparing quantum gravity approaches, constraining asymptotic safety, and investigating effective asymptotic safety scenarios. Applicants should have a Master's degree in Physics, a strong background in quantum field theory and general relativity, and familiarity with renormalization group methods.