501 English-speaking jobs in Vienna

Finance Operations Manager (f/m/x) will oversee financial operations of Payment Service Providers (PSPs), analyze costs, and help scale financial solutions. Collaborate with teams to provide finance guidance, support marketplace operations, and contribute to the evaluation and optimization of financial tools and systems.

Refurbed is seeking a Backend Engineer to design and implement scalable backend services. You will work in cross-functional product squads, collaborating with engineers, product managers, designers, and business members. Responsibilities include building and maintaining APIs, participating in code reviews, integrating with third-party systems, and contributing to the design of new features.

Lead Python Software Engineer to develop and operate Python-based solutions for SaaS seat management and data integration. Collaborate on technical designs, code reviews, and mentor team members. Requires experience with Python software development and excellent communication skills.

The Director, Financial Controls ensures the highest standards of financial management for the OPEC Fund. This role manages the financial controls unit, implements a robust internal control framework, and ensures timely, accurate financial reporting.

Lead or participate in the design and architecture of system software for prototype and consumer products. Implement and maintain software to program GPU and display pipelines in a compute-constrained embedded environment. Collaborate with teams to ensure efficient use of graphics/display hardware.

Develop front-end interfaces for internal and external web applications. Collaborate with the Data Operations team to integrate APIs, databases, and data services. Translate complex workflows into user-friendly experiences. Build dashboards, visualization tools, and data-driven interfaces. Contribute to UI/UX decisions and participate in cross-functional discussions.

Manages health and safety strategies, policies, and procedures across multiple countries. Conducts investigations, analyzes data, and develops training materials. Requires experience managing teams, delivering health & safety strategy, and a relevant qualification.

Experienced M&A Manager (f/m/d) to lead strategic deals in the renewable energy sector. Manage acquisitions and divestments, identify opportunities, and prepare proposals for the investment committee. Requires a Master's degree in Finance or Business Administration, 4-6 years of relevant experience, and fluency in English.

Manages safeguards training programs within the nuclear fuel cycle. Requires expertise in international safeguards, training design, and project management.

Develop and manufacture Optical Ground Stations (OGS) for satellite-to-ground Quantum Key Distribution (QKD) links. Design subsystems including optical frontends, tracking systems, and single-photon detection modules. Integrate and optimize components such as telescopes, lasers, and quantum receivers.

Develop and improve Quantum Key Distribution (QKD) payloads for space applications. Drive technical decisions, collaborate with electronics and thermo-mechanical engineers, and execute laboratory testing. Prepare technical documentation and support environmental and space qualification campaigns.

Design and develop high-performance electronics for quantum key distribution (QKD) systems and optical payloads. Responsibilities include PCB design, data acquisition system implementation, component selection, and testing. Requires experience in PCB layout, high-speed DAQ architectures, and space electronics reliability standards.

As a Cyber Security Architect – Space & Ground, you will define and ensure compliance with cybersecurity requirements for space and ground systems. You will lead security evaluations, engineer security-critical requirements, and manage subcontractors. Expertise in applied cryptography, satellite communications, and Common Criteria is required.

Support the tracking, analyzing, and monitoring of market trends in Eastern Europe. Learn product marketing strategies and processes in a global company.

Compulsory 6-month internship for active Business Administration students with a focus on Marketing and Sales. Support product marketing strategies, analyze market trends, and gain practical experience in an international company.

This 6-month compulsory internship offers a unique opportunity to learn product marketing strategies and processes within a global company. The role involves close collaboration with colleagues in Eastern Europe and headquarters in Düsseldorf, supporting market trend analysis and professional on-the-job training.

Compulsory internship for a period of 6 months, starting March 2026. Support the tracking, analyzing, and monitoring of market trends. Close cooperation with colleagues in Eastern European countries and headquarters in Düsseldorf.

Compulsory 6-month internship for active Business Administration students with a focus on Marketing and Sales. Support product marketing strategies, analyze market trends, and collaborate with colleagues in Eastern Europe and Düsseldorf.

Compulsory 6-month internship for active Business Administration students with a focus on Marketing and Sales. Support product marketing strategies, analyze market trends, and collaborate with colleagues in Eastern Europe and Düsseldorf.

International Business Alliance Manager needed for a globally active healthcare company headquartered in Austria. Manage and develop distributor partnerships across global markets, acting as the key interface between partners and headquarters. Drive commercial steering, coordinate product launches, and collaborate cross-functionally.