intern internship English-speaking jobs in Tubize

Senior Project Manager to lead strategic security projects for buildings and tunnels. Responsibilities include leading audits, coordinating implementations, and integrating CCTV, access control, and SCADA solutions. Requires 5+ years in electronic security technology and software integration.

Lead Site Operations for complex industrial process installations. Oversee multidisciplinary teams, managing construction, pre-commissioning, and IO-testing for global projects. Requires 10+ years in industrial project execution.

Sales & Product Manager LED will build the LED business across Europe. This role involves developing new markets, expanding distribution, closing key accounts, and contributing to product development. Requires 10–15+ years in B2B technical sales and LED ecosystem experience.

Finance Business Partner to provide strategic analytical and advisory support across the Tax & Legal practice. Own P&L performance, drive profitability, and translate financial data into actionable business insights.

LCL seeks a Critical Infrastructure NOC Manager to build and manage a standardized NOC operation across data center sites. Responsibilities include developing and optimizing processes, training and developing NOC staff, ensuring incident response, and fostering collaboration between NOC, field technicians, and other teams.

Manages product groups, sets long-term strategy, and aligns with business goals. Defines service specifications, creates value propositions, and provides expert support to sales. Drives innovation, monitors profitability, and coordinates promotional needs. Requires a bachelor's degree, minimum five years of experience in product line management, and strong analytical and communication skills.

Lead and grow engineering teams to evolve the internal developer platform and shared frontend platform into a coherent product. This strategy-to-execution role requires experience leading managers and deep platform evolution expertise.

Finance Controller in a large international organization. Responsibilities include monthly/year-end closings, P&L analysis, statutory/consolidated reporting under BE GAAP and IFRS, and internal control documentation. Requires fluency in Dutch and English.

The CFO provides strategic oversight of local statutory and regulatory financial reporting for Belgium. This role serves as the finance contact for local regulators and external auditors, offering decision-quality input on reporting risks and performance.

Inside Sales role focusing on the East of Europe international client portfolio. Responsibilities include drafting and following up targeted offers, managing customer contacts, and driving order follow-up. Requires fluency in Romanian and English.

Head of Marketing to own end-to-end marketing, including lead generation, for a scaling European furniture rental company. This strategist-first role leads a team of 4-5 and drives brand vision across verticals. French and English required.

Senior Consultant in Treasury Advisory advises clients on strategy, cash management, risk, and technology. Requires 3-5 years in corporate treasury or consulting. Own workstreams and coach junior colleagues.

About Mercier Consultancy Group Mercier Consultancy Group is a premier international recruitment firm, specializing in connecting top-tier talent with world-class organizations in the Customer Support Services sector.

Senior Technical Lead for Java applications in the insurance industry. Acts as technical reference, supporting the full SDLC, development, production support, and security. Requires 5+ years of Java (8/11/17+) experience and Git knowledge.

Senior Tender/Proposal Engineer needed for an industrial EPC business. This role develops competitive, robust proposals for complex projects in piping, mechanical systems, energy, and data centers. Requires a Master's in Mechanical/Electromechanical Engineering and EPC tendering experience.

DevOps Engineer - AI Model Evaluator uses frontier AI coding agents to complete and evaluate complex infrastructure engineering tasks. Responsibilities include reviewing model-generated implementations across cloud platforms, Kubernetes, and CI/CD systems. Requires 2+ years of DevOps/SRE experience and use of AI coding agents.

Contribute to financial analysis for Corporate departments by ensuring accurate data collection, process improvement, and insightful reporting. Coordinate budgeting, manage cost allocation, and implement digital tools to enhance financial visualization.

IT Solution Architect responsible for defining optimal solutions based on business needs, KPIs, and constraints. Requires knowledge of integration patterns, Archimate modeling, and cloud platforms.

Junior Business Developer for PV and BESS projects. Develops and delivers projects from lead qualification to handover. Structures project agreements, defines technical scope, and manages business plans. Requires 1-2 years of experience in Belgian renewable energy project development and strong knowledge of contractual frameworks and energy markets.

Manages network security monitoring, cyber defense, and enterprise security environments. Requires expertise with platforms like Cisco Firepower and Corelight, plus strong networking and troubleshooting skills.