intern internship English-speaking jobs in Tubize

T&E seeks an Energy & Climate Director to lead the organization's political strategy on energy transition and the EU's climate framework. The Director will lead a team, oversee policy development, and manage fundraising. Requires 5-10 years of experience in energy and climate-related teams, strong leadership skills, and a network within the European energy and climate policy communities.

Senior Consultant Marketing & Customer Experience designs digital strategies, business models, and implements digital innovations to improve business operations and analytics. Expertise in digital customer experience, online marketing, mobile applications, e-commerce, and data analytics is required.

PhD Researcher to conduct research at the intersection of social welfare law and youth and children's rights law. Will identify a research topic, provide teaching support, and contribute to broader research activities.

Trainee to support research staff in coordinating projects, drafting policy backgrounds, conducting research, and attending workshops. Requires a Master's degree, writing skills, research experience, and fluency in English.

Linguistic Tester for English to Dutch software/UI testing. Requires demonstrable QA experience, fluency in Dutch and English, and a Bachelor's degree in a related field.

Strategic Sourcing Program Manager drives cost optimization initiatives, supplier relationships, and supply chain architecture optimization. Leads project governance, reporting, and cost target achievement. Requires a Master's degree in engineering or equivalent experience, 7+ years in sourcing, and fluency in English.

Trivium seeks a PPC Manager & Analyst to manage and run Amazon PPC campaigns. Responsibilities include keyword research, daily optimization, account management, and analytics reporting. Candidates must have a Bachelor's Degree, experience in Audit/Financial Analysis or a related field, and strong MS Excel skills.

Freelance Azure Engineer needed for large-scale cloud migration to Microsoft Azure. Responsibilities include migrating applications, designing containerized solutions, and implementing CI/CD pipelines.

Virtual Assistant Developer needed for a Digital Health Services program. Design and develop a chatbot integrated into an online self-service platform. Implement functional and technical requirements, analyze integrations, and collaborate with stakeholders. Strong AWS Bedrock (AgentCore) and Quarkus expertise required.

Business Development Manager to support new business and account growth within a specific sector. Responsibilities include identifying opportunities, preparing proposals, and collaborating with SMEs and marketing teams. Requires 2-5 years of experience in digital sales, technology solutions, or related fields. Native Dutch and professional French and English required.

Senior .NET Developer sought for a 12-month contract in Brussels. Requires 10+ years of .NET development experience, including 5+ years with Azure Cloud, .NET Core Web APIs, and Native .NET for Android (Xamarin). Must also have experience with Blazor, React Native, unit testing, and fluent English.

Lead end-to-end MES implementation projects in regulated Life Sciences environments. Manage project timelines, resources, and budgets while ensuring compliance with GxP, FDA, and EMA regulations.

As the first Growth Marketeer, you will design, automate, and optimize end-to-end GTM workflows for a B2B SaaS scale-up. You will build scalable marketing operations, translate signals into structured outbound motions, and ensure high-fit accounts move quickly through the pipeline. You will analyze prospect data, craft narratives, and build automated systems to generate and accelerate pipeline growth.

Freelance HSE Supervisor needed for a 2-year contract on a large-scale oil & gas construction project in Antwerp. Requires MVK / Prevention Advisor Level 2 certification, degree in HSE, Engineering, or related field, and 5-10+ years' experience in oil & gas construction. Must be fluent in Dutch.

Clean and disinfect rooms and equipment in a biotechnology laboratory. Prepare and organize materials, follow instructions, and wear protective clothing. Must speak good English and be able to work in a team.

Enterprise Architect responsible for creating business architecture models aligned with organizational strategies and goals. Integrates project and program strategies, supports IT system rationalization, and contributes to digital transformation activities.

Support a range of HR activities including recruitment, onboarding, administration, and employee engagement initiatives. Contribute to projects shaping the employee experience and assist with learning & development programs.

The European Endowment for Democracy seeks a trainee to assist in the grant-making process for the Western Balkans. The trainee will support contractual, financial, and administrative tasks, including reviewing financial reports and translating documents. Proficiency in one Western Balkan language is required.

Senior Campaign & Journey Marketing Consultant needed for financial services client. Expert in process management, strategic analysis, marketing automation, and Adobe Campaign. Responsibilities include optimizing existing campaigns, developing a governance framework, and analyzing data to drive decision-making.

Product Designer needed for AI-native recruitment platform. 2+ years of design experience in B2B/B2C SaaS, enterprise software, or digital product agency. Strong UI design skills, user research experience, and ability to work in a fast-paced environment.