intern internship English-speaking jobs in Tubize

System & Security Engineer needed for a Belgian logistics company. Manage and optimize Windows Server environments, support virtualization platforms, and contribute to automation. Security focus (20-30%) includes vulnerability management, identity & access management, and incident handling. Bachelor's degree in IT or equivalent experience required.

Lead a team of legal experts and the Complaints Department for Allianz Benelux. Translate management decisions into legal action and safeguard the company's legal interests. Provide legal expertise across various domains, including insurance law, prudential regulation, and corporate law.

Experienced Data Warehouse Developer to lead the migration of an on-premise data warehouse to AWS. Responsibilities include designing, building, and maintaining cloud data models, developing ETL/ELT pipelines, and collaborating with teams to ensure successful project execution. Requires 8+ years of data warehousing, ETL development, and BI experience, proven experience migrating on-prem data warehouses to AWS and Snowflake, and deep knowledge of AWS services.

Driven florist to manage floral presence at a luxury boutique & hotel in Brussels. Responsibilities include designing, installing, and maintaining floral displays, leading client consultations, and managing stock. Must have strong expertise in fresh flowers and flower care, fluency in English, and be physically capable of handling installations.

Business Performance & Operations Manager needed for a permanent-capital holding company. Analyze business models, identify performance levers, and define KPIs to improve portfolio company performance. Collaborate with management teams to implement action plans and measure impact. Requires 6-8 years of experience turning analytics into measurable results and fluency in French, English, and Dutch.

iOS Developer with 8+ years of experience in Swift, SwiftUI, and UIKit. Develop, maintain, and evolve mobile apps with seamless backend integration. Ensure security, performance, and stability in every release.

Integrate, verify, validate, and qualify advanced technological solutions. Work with multidisciplinary teams on hardware, software, and embedded systems.

Clinical Research Associate I or II needed for a full-scope role covering study lifecycle activities. Responsibilities include contract negotiation, site start-up, monitoring, and close-out visits. Requires previous CRA experience, independent monitoring experience, and fluency in Dutch, French, and English.

Sales & Marketing Internship supporting the Alpine Marketing Manager in operational marketing, analysis, reporting, digital marketing, and event organization.

Senior Buyer Technical Goods & Services will source technical goods, parts, components, equipment & services, analyze market trends, and negotiate contracts. You will collaborate with internal stakeholders, manage contracts, and prepare procurement reports.

Project Engineer to drive engineering development of projects from sales to execution. Responsible for basic design, engineering deliverables, and leading the project engineering team. Requires proficiency in English and experience in project/process engineering.

Leads Domain & Program Management initiatives, expanding service portfolios and managing strategic accounts. Develops and implements automation and delivery roadmaps, ensuring alignment with customer requirements. Manages a team of over 150 professionals, oversees program performance, and drives continuous improvement.

Senior iOS Developer for a 12-month contract with a leading financial services organization. Develop and maintain advanced iOS features using Swift, SwiftUI, and UIKit. Integrate secure back-end services and ensure mobile security best practices. Collaborate with UX, product, and Agile teams. 8+ years of iOS development experience and strong Swift expertise required.

Manages and develops relationships with key clients, optimizes administrative processes, and contributes to the Belgian Sales plan. Oversees service performance, ensures contract compliance, and drives continuous service improvements. Acts as the primary interface for technical and operational matters, including incident and crisis management.

Algorithmic Trader to build and deploy systematic trading strategies for a multi-gigawatt renewable energy portfolio. Requires 5+ years in a quantitative environment, Master's/PhD in a hard science, and expert-level Python skills.

As an Energy Business & Data Analyst, you will analyze business needs related to energy management and translate them into functional specifications. You will collect, structure, and analyze energy data to identify performance drivers and collaborate with stakeholders to ensure project success.

The Group Buyer manages a portfolio of indirect purchases for a multinational company, developing sourcing strategies, negotiating contracts, and collaborating with internal and external stakeholders.

Business consultant supporting insurance companies in operational excellence by transforming operating models, designing processes, and developing technology strategies.

Executive Search Research Associate to join a global leadership advisory firm in Brussels. Assists in the entire executive search process, from identifying business development opportunities to closing assignments. Requires 2-6 years of experience in management consulting or HR, strong analytical skills, and excellent communication and writing abilities. Fluency in English, Dutch, and/or French is required.

Lead Pharmacometrician will develop and deliver pharmacometrics strategies for clinical trials, including dose selection, trial design, and data evaluation. Responsibilities include performing simulations, converting analysis into actionable insights, and developing submission-ready reports. Requires a PhD or MD in a related field with experience in PBPK and QSP modeling and relevant software.