javascript English-speaking jobs in La Louvière

About Mercier Consultancy Group Mercier Consultancy Group is a premier international staffing firm, recognized as a leader in European recruitment and bespoke BPO solutions. We bridge the gap between world-class talent and industry-leading corporations, specializing in high-impact Dutch-speaking jobs that offer career acceleration and personal growth.

Own the technical architecture of data systems ingesting and transforming massive hospitality data volumes. Unify data into a canonical model, setting standards and embedding AI strategy. Requires data engineering background and cloud expertise.

Develop an organization-wide architectural vision to ensure secure and sustainable digitalization. Define security standards, implement best practices, and embed security by design into digital solutions. Requires 5+ years in security/software architecture.

Seasoned Power BI Consultant needed for NATO to maintain and enhance its business analytics platform. Responsibilities include platform engineering, L2/L3 support, dashboard development, and user enablement. Requires 5+ years in large-scale implementations.

Are you an experienced data scientist? Do you know how to create reliable predictions and optimal decisions based on complex and large datasets? Do you want to put your talent to use and contribute to the energy transition by building innovative energy management solutions?

Sales Assistant needed for Pampling&Co store. Responsibilities include advising customers, handling inquiries, processing payments, and supporting inventory. Requires previous customer service experience and good English.

Experienced Project Manager needed for Business Process Optimisation within a global financial services Transformation Office. Own end-to-end transformation projects, analysing and redesigning processes to improve efficiency. Requires 5+ years in project management and process optimisation.

Head of HR Europe develops and implements strategic HR plans across European and Mexican sites. Responsibilities include leading HR management, driving organizational change, and providing strategic support for budgeting and labor relations.

Supply Chain Finance Analyst to drive cost efficiencies and improve performance across the French business. Responsibilities include KPI reporting, budgeting, cost analysis, and process standardization using SAP and Coupa. Requires 2+ years of relevant experience and fluency in French and English.

Senior Embedded Software Engineer to design and develop autonomous countermeasures. Requires experience with Embedded Linux, bare-metal/RTOS on MCUs, C/C++, Python, and system design.

Experienced Hardware Design Engineer to join electronics development. Responsibilities include specification, design, prototyping, and debugging of high-speed frame-grabbers using advanced technologies. Requires 8+ years in board design.

Real Estate Broker – Office Market advises occupiers, landlords, and investors on office real estate strategies. Manages leasing and sales mandates, leads negotiations, and builds client relationships. Develops business, identifies opportunities, and contributes to market expertise.

Motivated sorting employee needed for a customer in Peer. Sort clothing by size, quality, and fashion, and perform quality checks. No experience required. Must speak Dutch or English well.

Experienced Chief Information Security Officer needed to plan and execute security processes and management systems. Responsible for security roadmap, monitoring posture, and owning security governance.

Provide expert engineering support for NATO's DCIS systems, covering design, testing, and deployment of IT baselines. Requires NATO COSMIC TOP SECRET clearance and relevant experience in infrastructure, virtualization, and DevOps.

Experienced .NET Software Engineer for a consultancy mission. Develop high-quality software in an agile environment, contributing to digital transformation. Skills include .Net C#, Agile/Scrum, AI-assisted development, and CI/CD.

Lead and execute EU government affairs and advocacy strategies for a global healthcare company. Build trusted relationships with EU institutions and policymakers while translating complex policy into actionable engagement.

Data Architect to create strategic enterprise data architecture. Define data standards, guide critical programs, and validate adherence to policies like Solvency and IFRS17. Document data assets in Azure cloud landscapes.

Deadline Date: Thursday 3 September 2026 Requirement: Technical Assistant (NaaS) Location: Braine-l'Alleud, BE Full Time On-Site: Yes Time On-Site: 100% Total Scope of the request (hours): 592 Required Start Date: 9 October 2026 End Contract Date: 31 December 2026 Required Security Clearance: NATO SECRET Duties & Role: Support the planning, coordination and monitoring of technical projects and act

Senior Finance & Performance Manager to advise clients on optimizing finance functions, accounting processes, and Enterprise Performance Management. Requires 10+ years of experience in large corporations, consulting/audit exposure, and project management experience.