intern internship English-speaking jobs in Gänserndorf

Develop, improve, and future-proof global network components including core network, automation workflows, and network-related services. Define standards, troubleshoot complex tasks, and collaborate with network architects and engineers.

Provide inbound customer support via phone and written communication for a global energy and property services company. Support customers with service requests, appointments, billing inquiries, and troubleshooting. Fluent German and English required.

Contract Manager (m/f/d) for a 10-month fixed-term contract starting mid-April 2026. Oversees the review and approval of contractual documents for the protection of the company's contractual posture. Supports the legal affairs of the organization and manages legal issues with limited supervision.

The Business Value Director will build and execute strategies to establish a comprehensive value community and framework for Red Hat. This role focuses on leading customer-facing economic impact consulting discussions and collaborating with Red Hat teams and customer senior executives to uncover and communicate the financial impact of Red Hat solutions. The role requires strong domain expertise in the NATO defense space and experience with defense partner ecosystems and armed forces.

Leads the sales administration department, overseeing internal sales strategy, operations, and cross-border activities. Manages a team of 20, analyzes key figures, and implements sales targets. Requires experience in technical sales, leadership, and business management.

Provides administrative support to the Admin Manager, focusing on financial data accuracy and reporting for Rooms and Food & Beverage departments. Conducts reconciliations, analyzes cost efficiency, and assists with financial statement preparation.

Receptionist needed for a part-time, flexible role at a&o Salzburg hostel. Responsibilities include guest check-in/check-out, maintaining contact with guests, preparing for the next day, and ensuring cleanliness. Must have tourism education or hospitality experience, excellent German and English skills, and be available for up to 6 shifts per month.

Leads the sales administration department, managing a team of 20 across Germany, Austria, and Hungary. Responsible for internal sales processes, digitization, and performance management. Requires experience in technical sales, leadership, and business management.

Senior Python developer needed for functional testing project. Experience with pytest, Docker, Linux, and LLMs (Roo Code, Claude) required. Must be able to read and understand code in C, C++, Rust, or Go. 5+ years of software engineering experience primarily in Python. English proficiency (B2 or higher) required.

Project Manager to manage European research projects in biomedical imaging. Responsibilities include monitoring funding schemes, supporting project proposal development, and representing EIBIR at events. Requires excellent English, project management experience, and strong communication skills.

Defines, drives, and monitors the strategic development of Greiner Bio-One while leading the Global Project Management Office. Shapes the company's long-term strategic direction and ensures consistent excellence in global project execution. Prepares, structures, and moderates key decision-making processes at executive and supervisory board levels. Drives selected strategic projects and initiatives. Collaborates with internal and external stakeholders to drive the strategic, operational, and sustainable transformation of Greiner Bio-One.

Leads TourRadar's growth engine, building a self-propelling, experimentation-driven system across SEM, Paid Social, YouTube, CTV, Affiliates, and creator-led channels. Sets growth strategy while staying close to execution, building and owning a rigorous experimentation roadmap. Leads, coaches, and scales a high-performing growth team spanning Paid Media, Retargeting, SEM, Display, Affiliates, Influencer & Ambassador programs. Drives material improvements in ROAS, CAC, and LTV by partnering with Product, Tech, UX, and Content teams. Owns forecasting, budget allocation, and performance reporting. Represents TourRadar as a growth leader internally and externally.

This invite-only event, co-hosted by McDonald's and The Female Factor, is for ambitious women with leadership experience who are exploring business ownership. Learn from franchise owners about the challenges, responsibilities, and rewards of owning a McDonald's restaurant.

Leads the Front Office team, ensuring service standards and operational targets are met. Manages room inventory, overbooking strategies, and VIP guest experiences. Oversees departmental projects and coordinates with other departments for smooth hotel operations.

Experienced accountant needed for IFRS accounting of multiple legal entities. Responsibilities include tax and accounting matters, intercompany reconciliation, and SAP projects.

Responsible for accounting, month-end close, and statutory, VAT, and tax compliance for M&A entities in the DACH region. Requires 5+ years of European accounting experience, audit background, and strong knowledge of US GAAP and DACH region tax rules.

Provides chemical and microbiological laboratory support, including analysis, organization, and ordering. Requires a completed technical assistant training or equivalent, computer skills, and fluency in German and English.

Senior Financial Controller / FP&A will analyze financial data, build models, and create financial plans. Requires experience in a fast-paced finance environment, proficiency in Excel, and strong communication skills.

The Lab Support Facility at the Institute of Science and Technology Austria seeks a motivated individual to perform tasks such as equipment maintenance, gas supply, waste disposal, and material distribution.

Senior Technical Broadcast Engineer provides technical support for Vizrt systems, troubleshooting complex software issues and collaborating with internal teams to resolve problems. Requires 3+ years of experience in a broadcast, media, or IT systems integrator environment with a strong understanding of live and automated studio workflows.