intern internship English-speaking jobs in Tubize

Senior Optical Engineer to design, simulate, and validate optical subsystems for next-generation projection platforms using DLP technology and solid-state light sources. Requires a Master's degree and 4-6 years of experience with Ansys Zemax OpticStudio.

Senior Accountant to support accurate accounting across Belgian, French, and German operations. Oversee general ledger, reconciliations, and period-end close. Requires accounting experience and professional working knowledge of French and English.

HR Officer ensures operational continuity for HR Belgium, managing personnel administration, onboarding, and the HR helpdesk. Responsibilities include L&D management, workforce communications, and supporting HRIS implementation. Requires HR experience and fluency in French and English.

Junior Inside Sales Support requires native or fluent Polish and professional English. This role focuses on outbound lead generation and securing meetings for Sales Engineers in the B2B market.

Experienced Programme Manager needed to lead a global Microsoft Dynamics 365 CE rollout. Responsibilities include end-to-end delivery and integrating Dynamics 365 CE with multiple ERP platforms across international markets.

Associate Director, IT Business Partner in the Netherlands. This role bridges local management and global IT, advising on BPT services, driving local strategy, and leading IT project implementations for strategic growth.

Summer Intern opportunity in Integrated Data Analytics and Reporting at Johnson & Johnson. Roles include Clinical Data Manager or Data Acquisition Expert. Requires active undergraduate enrollment, preferably in health or data sciences.

Account Manager for Protected Crop focuses on growing vegetable seed sales in North Europe. Develop strategic plans, manage key stakeholder relationships, and drive business growth within a glasshouse environment.

GMP Operations Technician role requires maintaining GMP/cleanroom conditions, managing materials, and executing production activities like USP/DSP. Must have 3+ years in microbiology/bioprocessing within GMP classified areas.

Drive technical pre-sales strategy for expense management in the DACH region. Partner with sales to close opportunities, build demos, and conduct PoCs. Requires 2+ years in Solution Engineering and German fluency.

Product Specialist for Motors guides sales teams on technical solutions within the Low Voltage division. This role supports portfolio optimization, manages product specifications, and oversees the ABB webshop. Requires experience with LV IEC motors and technical knowledge.

Quality & Manufacturing Engineer supports manufacturing operations, resolves technical challenges, and ensures high quality standards. Focus areas include quality management, change support, field issue resolution, and KPI analysis. Requires an engineering degree and 3-5 years of relevant experience.

Lead and manage on-site IT support teams, overseeing daily operations, SLAs, and process improvements. Requires extensive experience leading Proximity Support teams and bilingual French/English proficiency.

This role interfaces between Supply Chain and strategic customers to strengthen collaboration and create joint value. Responsibilities include managing customer relationships, aligning demand/forecast, and monitoring Supply Chain KPIs. Experience in CPG/FMCG is ideal.

Senior Customer Success Manager responsible for client growth, satisfaction, and retention. This role involves leveraging the Selligent platform to drive Consumer First Marketing programs. Requires 5+ years in marketing/advertising and fluency in Dutch and English.

Drive business growth by optimizing solution design and supporting pricing strategy. Lead change management and process improvement initiatives across cross-functional teams. Requires 5+ years in Product/Project/Business Analysis with clinical trial industry knowledge.

Lead complex, strategic projects for the energy transition, ensuring alignment with business objectives and financial targets. Manage multidisciplinary teams, drive execution, and mitigate risks from initiation to closure.

Senior SAP BW/Analytics Consultant needed to support data and analytics transformation. Requires 7+ years of experience, strong understanding of SAP data warehousing, and fluency in Dutch or French.

Senior Business Development Manager to drive revenue growth in mobility, transportation technology, and unattended payments. Identify and secure new business across parking, tolling, transit, EV charging, and smart mobility.

Steer technical policy for Land Systems at Thales. Define architecture vision for complex defense solutions, assess candidate architectures, and lead solution development across multidisciplinary teams. Requires engineering degree and system architect experience.