intern internship English-speaking jobs in Tubize

Enersee seeks a Chief of Staff to support the CEO during a period of rapid growth. Responsibilities include managing the CEO's agenda, driving cross-functional execution, preparing for the next funding round, and representing Enersee externally. The ideal candidate has experience in a fast-paced environment, is data-driven, and excels at communication and project management.

Python Developer for a MedTech startup building automated diagnostic platforms. Develop scalable software, data pipelines, and UI for lab devices and hardware control systems.

Senior leader for strategic client ownership and hands-on consulting in Brussels. Act as a trusted advisor to executives while contributing to delivery excellence. Manage a portfolio of strategic accounts, build long-term relationships, and expand threon's presence in the Brussels market.

Ensures continuity, reliability, and efficiency of laboratory operations across multiple streams. Manages the end-to-end order lifecycle, monitors stock levels, and supports replenishment processes. Requires experience or understanding of order management and inventory processes, knowledge of SAP/Ariba and MS Office, and strong organizational skills.

Senior Database Administrator to lead the stability, performance, and evolution of enterprise database platforms. Responsibilities include database administration, optimization, and operational excellence across Oracle and PostgreSQL environments. Requires expertise in database configuration, patching, upgrades, performance tuning, backup and recovery, and cloud-based administration. Strong collaboration and communication skills are essential.

GL Accountant ensures the integrity and accuracy of general ledger accounting for two Krones subsidiaries in Belgium and France. Responsibilities include month-end closing, VAT management, intercompany reconciliations, statutory documentation, and support for group reporting.

Lead a multi-year transformation of Euroclear Bank's core cash processing capability, replacing legacy systems with a resilient, secure, and scalable payment platform. Mobilize the organization, establish governance, define roles and responsibilities, and drive execution across business, technology, operations, architecture, security, vendors, and external payment ecosystems.

Store Manager for a Premium Fashion Brand in Knokke. Manage store operations, team, and customer experience. Analyze KPIs, implement sales strategies, and ensure brand image consistency. Requires experience in fashion retail, fluency in English and Flemish.

Marketing Intern to support Brand Managers with data analysis, market research, and project execution. Contribute to new product launches and strategic initiatives. Must be a student in marketing, economics, or business with strong analytical skills and fluency in French or Dutch and English.

The Treasury Analyst will perform and control treasury operations for Sanofi legal entities in a designated geographical area. Responsibilities include executing daily treasury management activities, cash flow and working capital optimization, foreign exchange risk management, and banking relationship management.

Experienced marketing leader to develop and execute integrated marketing strategies across product marketing, go-to-market activities, customer communication, and digital channels. Requires extensive pharma, CDMO, and oligo experience.

Electrical Construction Lead for a major hyperscale data center program in Belgium. Responsible for driving safe, high-quality, and efficient delivery of electrical installation works. Oversees electrical quality assurance, coordinates program delivery, and manages subcontractor performance. Requires strong electrical construction experience in large-scale industrial or mission-critical environments.

The QHSE Director defines, drives, and supports the Group's QHSE strategy, governance, and processes across all Business Lines. The role focuses on Health & Safety, with a primary operational focus on Business Units and other Group entities. The Director leads and manages the Group HQ QHSE team and provides guidance to QHSE managers in Business Line Construction and Business Line Affiliates. Responsibilities include defining and promoting Group-wide QHSE programs, key processes, standards, and governance, ensuring compliance with international standards and regulatory changes, and acting as a Business Owner for QHSE digital tools and platforms. The Director also supports Business Lines in defining core environmental processes and acts as a Business Owner for environmental data and reporting tools. The role requires proven leadership experience in QHSE or operational leadership within construction or a related industry, strong understanding of complex project environments and risk management, and the ability to translate strategy into pragmatic programs, drive behavioral change, and manage data-driven performance systems. Fluency in English (mandatory) + French and Dutch is required.

Medical Advisor for Lung Cancer will develop and execute medical strategy, engage with healthcare professionals, and contribute to brand planning and campaigns. Requires a Medical Doctor, Pharmacist, or scientific degree, experience in Medical Affairs, and fluency in French, Dutch, and English.

Lead the design and delivery of Oceana's campaigns on illegal fishing and transparency in Europe. Define campaign strategy, oversee implementation, and manage a multidisciplinary team.

Treasury Analyst will manage treasury operations for Sanofi legal entities in a designated geographical area. Responsibilities include cash management, risk mitigation, compliance, and supporting business growth.

Experienced Incident Response professional sought to strengthen security operations. Responsibilities include monitoring, investigating, and responding to cybersecurity incidents, conducting root cause analysis, and coordinating response activities.

AI Solutions Requirements Engineer for space-based Intelligence, Surveillance and Reconnaissance (ISR) and Related Intelligence Capability Programme Plans (CPPs). Analyzes AI opportunities, recommends solutions, and advises on integration into programs. Requires 5+ years of requirements/systems engineering for complex systems, 2+ years in AI-related requirement documents, and experience in secure environments.

ALTIUS seeks a Belgian qualified lawyer with 2-6 years of dispute resolution experience. Fluency in French is required, with suitable English and Dutch skills. The ideal candidate possesses excellent writing skills, a pragmatic approach, and a collaborative spirit.

Experienced IVVQ / Test Manager needed to lead and coordinate testing activities for complex software products. Define testing strategy, manage planning and performance, and guarantee solution quality.