intern internship English-speaking jobs in Tubize

Sales Account Executive to drive revenue and acquire new customers for an award-winning AI note-taking SaaS company. Responsibilities include demos, closing deals, and working with inbound and outbound leads.

Senior Test Specialist (Freelance) needed for 12-month assignment supporting stabilization and integration of business-critical systems. Responsibilities include documenting test scenarios, executing functional tests, coordinating end-to-end testing, and managing defect lifecycles. Requires 5+ years of experience as a Senior Test Coordinator and Tester, expertise in testing large, complex applications, and proficiency in test tools and methodologies. Must have Dutch (CEFR C2) and English (strong reading/comprehension) skills, a Bachelor's degree, and ISEB Foundation Certificate in Software Testing or ISTQB certificate. Experience with Agile/Scrum projects and test automation is preferred.

Junior Supply Chain Consultant supports clients in strengthening their supply chain operations through a human-centric, analytical, and ERP-driven approach. You will analyze business processes, design process blueprints, and translate business needs into system logic.

Leads and directs radiation engineering, waste management, and decommissioning engineering services for Westinghouse and customer needs. Manages a team of over 170 engineers across multiple countries. Develops and implements strategies for obtaining new business and meeting financial and strategic objectives. Provides technical and operational oversight to assigned personnel and design organizations. Ensures compliance with contractual agreements.

Leads the management and expansion of client accounts, developing and executing strategic plans to drive sales growth. Builds and maintains strong client relationships, acting as the primary point of contact and ensuring client satisfaction. Utilizes CRM systems, analyzes market trends, and collaborates with internal teams to achieve sales objectives.

Account Manager responsible for managing and expanding relationships with key customers/wholesalers in the Belgian baking sector.

UX Engineer – Data Center Infrastructure Optimization will design and build interfaces, dashboards, and visualization tools to make complex infrastructure data accessible and actionable. You will translate operational metrics into intuitive experiences that help teams understand performance, identify optimization opportunities, and track the impact of improvements.

Senior Clinical Research Associate (CRA) to monitor clinical trials, ensuring compliance with ICH GCP and local regulations. Experience in oncology trials is required. Responsibilities include data integrity, site monitoring, protocol adherence, and communication with investigators. This is a home-based position.

Lead end-to-end tender processes for full-wrap EPC BESS solutions. Define requirements and engage the market through RFI, RFP, and RFQ processes. Evaluate and compare bids across technical, commercial, and risk dimensions.

Freelance ChemGes Technical Consultant needed for a short-term project. Set up a test environment, replicate configurations, and perform technical validation. Proven ChemGes experience and strong troubleshooting skills required.

Engage in scientific discussions with healthcare professionals on disease states, clinical evidence, and ALK therapies. Deliver presentations and support scientific advisory boards. Capture and share field insights, monitor scientific developments, and communicate value messages to reimbursement stakeholders. Contribute to the local adaptation of the Global Value Dossier and support access materials.

Security Engineer needed to design, maintain, and improve security solutions for clients. Responsibilities include vulnerability remediation, risk assessments, code reviews, and threat monitoring. Requires experience with security tools and frameworks, and strong communication and collaboration skills.

Drives best-in-class internal control design and continuous improvement for Finance processes (Account-to-Report, Fixed Assets, Treasury). Leads the global point of contact for Account to Report / Fixed Assets / Treasury Internal Controls.

Threat Hunting Analyst will prioritize, plan, and execute threat hunts, improve detection and prevention methods, and engage with the Cyber Community. Requires NATO SECRET clearance, significant cybersecurity experience, strong analytical and communication skills, and experience producing reports.

Analyze business processes, identify automation opportunities, and design solutions using Power Platform, AI, and RPA. Collaborate with developers and AI specialists to implement scalable solutions and guide teams in adopting automation tools.

Experienced consultant to guide digital transformation in the public sector water management. Develop and implement IT governance and architecture strategies, aligning technology with business objectives.

Senior Project Manager Marketing (Freelance) needed for 3-month project (potentially extendable). Manage digital and marketing projects, create content (videos, presentations, etc.), and contribute to marketing automation processes. Requires 7+ years of marketing and project management experience, fluency in French and English, and a driver's license.

Senior Data & Integration Architect to define and implement a Microsoft-based data platform. Lead data lake migration, data governance, and ensure operational continuity. Requires 8+ years of experience in data architecture, ETL/ELT, and data governance. Expertise in SAP, open-source environments, and public services is essential.

Develop professional customer relationships and optimize sales, new product development, and promotions. Ensure product visibility and sales capabilities delivery.

Sales Development Specialist for Asia-Pacific region. Drive outbound sales through cold outreach, LinkedIn, and partner channels. Own end-to-end quoting for servers, networking equipment, and colocation needs. Support clients needing remote hands, hardware installs, migrations, and DC services. Experience in IT/datacenter/infrastructure sales required. Bilingual (Chinese) required.