intern internship English-speaking jobs in Tubize

The Office Manager will oversee all aspects of the smooth running of the Brussels office. Responsibilities include vendor coordination, courier services management, issue resolution, space planning, visitor management, office supply ordering, administrative tasks, and budget assistance. The role requires fluency in English and either Dutch or French, excellent proficiency in MS systems, and strong organizational and problem-solving skills.

Manages technical assessment, regulatory follow-up, and compliance for environmental legislation affecting the cosmetics sector. Focuses on EU Packaging and Packaging Waste Regulation and the Urban Wastewater Treatment Directive.

This QHSE internship supports the department's daily operations and improvement initiatives. Tasks may include supplier qualification, document management, compliance monitoring, and health and safety initiatives.

Senior Sales Manager to drive sales activities in Belgium for flexibility portfolio and Trading-as-a-Service. Focus on acquiring new customers in BESS, biogas, CHP, and project development. Requires 7+ years B2B sales experience in the Belgian energy sector and strong communication skills.

Field Service Engineer needed to install, maintain, and repair IBA equipment worldwide. Responsibilities include troubleshooting, training colleagues, and providing on-call support. Requires a Master's Degree in electro-mechanics or equivalent, proven experience in root-cause analysis, and excellent communication skills. Must be willing to travel up to 60% of the time.

Site Reliability Engineer will design and optimize cloud infrastructure, manage cloud computing and Kubernetes projects, and contribute to a self-healing, scalable system.

Experienced Data Engineer needed to design, develop, and maintain large-scale data pipelines and architectures for fast data transformation and processing.

Senior Accountant to manage all Belgian accounting operations, including AP/AR, GL maintenance, reconciliations, VAT declarations, and financial reporting. Requires a Bachelor's degree in Accounting, 4+ years of experience in AZ Accounting, and fluency in English, French, and/or Dutch.

Experienced Regulatory Affairs Consultant needed for 12-month hybrid assignment in Antwerp. Responsibilities include updating Risk Management documentation, maintaining technical files, supporting Notified Body interactions, and reviewing validation documentation. Requires strong knowledge of MDR 2017/745, ISO 14971, and GMP validation practices.

Technical co-founder to build and lead the SaaS architecture of an AI-first startup. Experience as a CTO or software architect required. Full-stack, cloud-native SaaS experience with AI coding tools and LLMs is essential.

Expert Full Stack Developer with 10+ years' experience needed for a 12-month contract in Brussels. Contribute to the redevelopment of a complex enterprise application into a modern MicroServices architecture within an Agile Scrum environment.

Lead SimCorp Dimension implementation projects for alternative investments clients. Collaborate with project managers and customers to define solutions and ensure project success. Mentor colleagues and contribute to best practices.

Solution Architect needed with 7+ years of experience implementing supply chain planning software and 3+ years in designing and implementing advanced planning solutions. Must have in-depth supply chain planning expertise in one or more target industries and strong analytical skills.

Mobile Automation Test Engineer to develop and maintain automated test scripts for Android and iOS applications. Experience with Appium, Selenium, Java, BDD frameworks, and CI/CD pipelines required.

Guide clients to become data-driven by connecting management, data & AI teams, and identifying value-adding data & AI use cases. Build business cases, ensure value creation in roadmaps, and contribute to a data-driven culture.

Business Analyst with 11+ years of IT experience required. Strong knowledge of business analysis methods, requirements gathering, and functional specification. Expertise in digital solution analysis, AI concepts, and Microsoft 365. Fluent English (C1 level) essential.

Quality Assurance Associate will perform production and process control activities, release of materials and goods, and non-conformances investigation. The role also involves engineering support activities, routine QA activities, and communication with production and suppliers. Requires a relevant academic degree or equivalent experience, at least 2 years of experience in a regulated environment, fluency in English, and strong communication and collaboration skills.

Citrix System Engineer provides second-level support for Windows and Citrix environments. Responsibilities include troubleshooting incidents, ensuring operational stability, and collaborating with team members. Must have experience with Citrix Virtual Apps & Desktops, StoreFront, Workspace App, Director, Studio, Profile Management, and NetScaler. Windows Server 2016-2025 experience is also required.

Microsoft Dynamics 365 Supply Chain consultant with 3+ years of experience in FSCM implementations. Designs functional solutions based on customer business needs. Strong communication and customer-oriented skills required. Fluent in Dutch or French with English proficiency.

Full Stack Developer fluent in English needed for web development projects. Experience with front-end languages (JavaScript, HTML, CSS), back-end languages (Java, J2EE, Spring Boot, Hibernate), and frameworks (Bootstrap, Angular 2+, Typescript) required.