522 English-speaking jobs in Vienna

Head Chef specializing in Indian cuisine to manage daily operations, lead a team, and ensure high-quality food preparation and presentation.

As a Core Network Support Engineer, you will provide technical support to mobile network operators, operating and maintaining EPC and 5G Core network elements in virtualized and cloud-based environments. You will analyze and resolve network issues, execute software upgrades, and participate in on-call rotations.

Data Engineer needed to build a data-driven foundation for a leading sports betting company in Vienna. Responsibilities include data analysis, modeling and implementing ELT/ETL processes, and acting as a liaison between data analysts and scientists. Requires experience with data modeling, SQL, Apache Hadoop ecosystem, Scala/Java/Python, and Linux systems.

Support major mobile network operators in Austria with the operation, troubleshooting, and continuous improvement of their Voice Core and IMS environments. Coordinate with internal teams and telecom operators for issue resolution. Operate and maintain IMS and voice core elements, including VoLTE/VoNR services. Analyze SIP and legacy signaling protocols and support roaming and inter-operator voice connectivity. Perform system upgrades and configuration changes while monitoring KPIs and improving voice service performance.

STEM PhDs with a focus on AI data analysis are sought for a remote, contract role. Responsibilities include developing training problems, evaluating AI model outputs, and collaborating with research teams. Must have a PhD from a US, UK, Canadian, or European university and strong communication skills.

Designs, configures, and maintains LAN/WAN and security infrastructures. Integrates, configures, and maintains VoIP systems and applications. Provides project support throughout all phases and resolves complex network issues.

The SESAR Programme Manager leads Frequentis Group's contributions to the SESAR programme, ensuring alignment with company strategies and external expectations. This role serves as the central interface between internal teams, industry partners, and the SESAR Joint Undertaking (SJU).

Senior Subject Matter Expert needed for remote, contract role (15-20 hours/week). Develop AI training problems, evaluate model outputs, and collaborate with research teams. Must have STEM PhD from a US, UK, Canadian, or European university.

Senior DevOps Engineer needed to design, maintain, and improve our SaaS platform's infrastructure. Experience with Kubernetes, Linux administration, virtualization, CI/CD pipelines, and monitoring tools is required. Must have strong communication and problem-solving skills. Fluent English required, German is a plus.

Provide technical support for computational analysis of gene expression data in microbial cultures. Tasks include data curation, analysis, and simple statistical analysis.

Lead the global marketing strategy and execution for a rapidly growing SaaS company. Manage a large marketing budget (€400k–€1.5M+/month) and scale performance marketing across international markets. Build a global brand and drive product-led growth with a focus on self-serve revenue.

As the Security Lead and Crypto Safeguarding Officer for European operations, you will ensure compliance with MiCA and DORA regulations. You will oversee the crypto-asset safeguarding framework, manage security risks, and act as the primary point of contact for EU regulators on ICT risk and cybersecurity.

Research, develop, and implement software security measures to protect intellectual property. Collaborate with researchers and engineers to improve security protocols and conceptualize future security enhancements.

The Section Head manages and leads the Radiation Safety and Monitoring Section, developing and implementing IAEA policy and program on radiation protection, radiological protection of patients and workers, and the IAEA's Radiation Safety Technical Services. The Section Head provides technical and managerial leadership, analyzes information, and develops strategies to enhance the IAEA's radiation safety program.

Channel Manager will build and manage relationships with key partners, oversee distribution, and track performance. Requires a Bachelor's degree, 3-10 years of channel business experience, excellent communication skills, and fluency in English. Experience in consumer electronics or PV industry is a plus.

Internship in Group People Development & Culture supporting training and development programs, Diversity & Inclusion initiatives, and learning culture development.

Develop and enhance software for image processing and recognition of security features in banknotes. Implement algorithms in C# and collaborate with a research team.

Fullstack Developer will design, develop, and maintain scalable backend systems and user-centered applications for the Vienna Economic Chamber's Innovation Hub. Responsibilities include API development, database optimization, AI integration, and working in an agile team. Requires several years of fullstack development experience, ideally with Python & React, RESTful APIs, and PostgreSQL.

Protein Scientist to perform routine protein purification from recombinant and natural sources. Analyze purification samples, manage biological samples using software, and optimize purification processes. Requires a completed education in biochemistry, molecular biology, biotechnology, or a related field. Experience with FPLC systems and a high level of satisfaction in performing routine tasks are essential.

Bilingual German Generalist Evaluator Expert will design prompts, define evaluation standards, and test AI models for accuracy and cultural fit in German and English.