intern internship English-speaking jobs in Tubize

As a Sales Development Representative, you will identify target companies, initiate contact, and qualify prospects to schedule meetings for the closing team. You will research, build target lists, and utilize cold calls, email, and LinkedIn to engage potential clients. You will also track your progress in HubSpot and contribute to refining outreach strategies. Fluency in Dutch and English is required.

FIP Consultant needed for freelance/consultant mission (16/07/2026 - 31/12/2026). Drive rollout and evolution of the Flex Income Plan, acting as main point of contact for all FIP-related questions. Coordinate with internal and external stakeholders, ensuring correct payroll implementation and employee support. Develop communication materials, organize information sessions, and support the annual warrants plan cycle. Must have proven experience with Flex Income Plans, especially salary sacrifice models, strong hands-on experience in rollout/implementation, and knowledge of Belgian social law. Fluency in French and English is mandatory.

Serves as the Responsible for Information and Publicity (RIP) for Belgium, ensuring promotional activities comply with regional regulations. Reviews and approves marketing materials, provides regulatory guidance to teams, and supports product launches. Requires a Bachelor's degree in a related field, proven Belgian regulatory experience, and expertise in Belgian pharmaceutical advertising laws.

Advise multinational clients on Competition, Merger Control, FDI, FSR, and State Aid matters across multiple jurisdictions. Support leading clients on strategic and business-critical matters, including merger control filings, FDI and FSR assessments, and competition law investigations.

Oversee and coordinate service integration activities in a multi-supplier IT environment. Manage escalations, ensure cross-supplier collaboration, and track compliance with policies and standards.

Regional Sales Manager will develop and execute sales strategies to achieve objectives. Responsibilities include new account acquisition, building partnerships with C-level stakeholders, and identifying customer needs. Requires 5+ years of sales experience in European telecommunications and government markets with a proven track record of closing large deals.

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 QA lead responsible for end-to-end quality systems oversight and process validation. Ensures compliance with GMP/GDP/GVP regulations and drives (e)QMS excellence.

Network Administrator needed for EU public sector client in Brussels. Responsibilities include operating, maintaining, and supporting network infrastructure, investigating and resolving network issues, and ensuring network security. Requires Bachelor's degree, strong hands-on expertise with Palo Alto and F5 technologies, Cisco networking solutions, and network security principles. Must possess at least one certification from CCDP/CCNP, CCNA, CCDE/CCIE, CCAr, F5, Juniper, Palo Alto BIG-IP, or SANS related to Network Security.

Regulatory Strategist interprets regulations and supports product registration activities. Authors regulatory submissions (CTD, BLA, NDA) and collaborates with cross-functional teams and global colleagues. Manages responses to regulatory requests and assesses post-approval changes. Requires a Master's degree in Life Sciences and 3+ years of experience in the pharmaceutical sector with regulatory and quality experience.

General Labourer/CNC Operator needed for full-time position. Previous CNC experience and metal fabrication knowledge required. Responsibilities include loading/unloading CNC machinery, using an overhead crane, and general production duties. Must have strong communication and teamwork skills.

Data Analyst to support energy sector initiatives. Expertise in Python, Power BI, data engineering, and visualization required. Analyze simulation data, build analytical tools, and create insightful reports. Collaborate with stakeholders to drive data-driven decision-making.

Senior Buyer Indirect will manage indirect procurement (IT, facility, PPE, chemicals, services) and fleet operations. Responsibilities include contract negotiation, cost control, supplier management, and fleet optimization.

Remote contract for PhDs in Biology, Biotechnology, Biochemistry, or related fields. Design biology questions to test AI performance, evaluate AI outputs, and collaborate with researchers to refine benchmarks.

Serves as a liaison between business stakeholders and IT, driving continuous improvement across Order to Cash (O2C) processes and integrations. Provides functional expertise for Oracle EBS Supply Chain modules and supports configuration, testing, and user adoption initiatives. Translates business requirements into functional specifications and collaborates with technical teams on system enhancements. Leads requirements and testing activities for integrations between EBS and other systems, including EDI. Gathers, documents, and prioritizes business requirements, user stories, and process flows. Participates in or leads technology initiatives supporting commercial functions.

Senior Microsoft Data Security Consultant with 8+ years of experience in Microsoft 365 workloads, security, and Entra ID. Designs and implements solutions using Microsoft Purview and broader Microsoft 365 capabilities. Guides customers, steers conversations, and coaches colleagues. SC-401 certification required. Fluent in Dutch and English.

Investment Analyst/Associate to join a Brussels-based team. Contribute to the full investment lifecycle, from sourcing and analysis to portfolio support. Build financial models, conduct due diligence, and prepare investment recommendations.

As Customer Service Officer, you will manage the customer journey from order placement to delivery, ensuring all customer promises are kept. You will act as the primary point of contact, providing support on pricing, availability, and order status. You will also create, process, and follow up on sales orders, monitor production progress, and coordinate with logistics for delivery.

Senior Project Manager needed for complex programs involving construction, technical operations, IT, and human resources. Requires 10+ years of experience, including relocation or activity transfer projects, and expertise in laboratory/production area layout optimization, financial management, and technical infrastructure. Must have Prince2, MSP, or equivalent certification and fluency in English/French.

Senior Project Manager to lead the delivery of a CSA package on a large-scale Data Centre project near Mons, Belgium. Managing site teams, subcontractors, and stakeholders, driving programme, quality, safety, and commercial performance.