ruby English-speaking jobs in Belgian Luxembourg

Service & start-up engineer for HVAC automation systems. Responsibilities include after-sales service, preventive maintenance, troubleshooting, and project support. Requires expertise in HVAC installations, control systems, and low voltage domain.

Business Developer to drive growth and secure opportunities in large-scale industrial renewable energy projects. Focus on Solar, Wind, EV charging infrastructure, BESS, and Energy Management System (EMS) projects. Develop business plans, secure contracts, and build partnerships.

Freelance Business Analyst to support finance industry clients on transformation, regulatory, and digital initiatives. Analyze processes, define requirements, and support delivery of compliant solutions.

Assist In-Store Design Manager in 360° retail support for S2 launches 2026, temporary animations, and permanent installation maintenance.

Data Analysis internship at Unilever Belgium, starting July, August, or September 2026. Gain real responsibilities, support business development, and collaborate on projects. Must be enrolled in a Bachelor or Master program, fluent in English + Dutch or French, and available for at least 3 months.

Portima seeks a Back-End Developer with 2+ years experience as an API architect or 4+ years as a developer. Must have C# .NET Core, .NET development in Azure or similar cloud provider, SQL, and Agile methodology experience.

Senior Technician (VTC) required to perform service continuity improvement tasks on NATO voice and VTC infrastructures. Support innovation efforts related to voice and video conferencing technology. Provide technical support to projects, plan and carry out routine configuration and maintenance operations, and investigate and propose solutions to encountered problems. Must have a NATO SECRET security clearance and at least 2 years' experience designing, implementing, managing, and optimizing collaboration tools and platforms.

Customer Service Specialist will serve as the primary point of contact for clients, guiding them throughout their customer journey. Responsibilities include monitoring customer production, resolving issues, and ensuring client satisfaction. The ideal candidate has 3+ years of experience in complex B2B customer service, a strong affinity for IT environments (EDI, API, XML), and fluency in French, Dutch, and English.

Consultant Immunoassay Development Specialist needed for hands-on assay development on automated immunoassay platforms. Experience with ELISA-based automated systems and immunoassay development is required.

Experienced Technology Strategist to shape and evolve enterprise technology strategy. Drive technology governance, assessments, and strategic transformation initiatives focused on cloud, AI, and automation.

Develops and implements sales strategies for the Benelux market. Builds and maintains relationships with distributors and clients. Analyzes market trends and customer behavior. Collaborates with marketing on events and promotions. Achieves sales targets and reports on sales progress.

As a Systems Engineer, you will lead the design, configuration, installation, and testing of sorting machines. You will innovate vision systems, optimize machine performance, and collaborate with cross-functional teams.

Corporate Finance Analyst to support buy-and-build strategy across subsidiaries. Responsibilities include financial modeling, budgeting, forecasting, M&A support, and group reporting. Requires 3-5 years of FP&A, corporate finance, or transaction services experience.

Junior Tax Consultant will provide estate planning solutions to high net worth individuals and family-owned businesses. Requires a master's degree in Law with a focus on Tax, fluency in Dutch and English, and proficiency in MS Office.

Asset Engineer to support environmental impact reduction of pharmaceutical assets. Assess environmental performance, identify savings opportunities, and collaborate with teams to minimize impact. Requires engineering degree, experience in industrial energy/water reduction, and HVAC/utilities knowledge.

Lead and manage all electrical works on a state-of-the-art data centre project, ensuring compliance with safety standards, regulations, and specifications. Oversee installation, testing, commissioning, and handover of electrical systems. Manage subcontractors, coordinate with other disciplines, and monitor project progress, budget, and resources.

Senior Solutions Architect to design, build, and scale cloud-native microservices solutions. Requires extensive experience in cloud-based architectures, microservices design patterns, and security best practices. Strong proficiency with GCP and experience in multi-cloud environments is essential.

HR & Administration Officer provides HR support to a Business Unit, managing employee queries, contracts, absences, and benefits. Organizes onboarding and offboarding processes, supports expatriate administration, and maintains HR files.

The Head of Finance will lead and execute the organization's financial strategy, ensuring long-term sustainability and operational excellence. This role advises the President, Board of Directors, and Finance Committee, oversees all financial operations across multiple global entities, and supervises accounting, budgeting, reporting, and financial planning processes.

Designs, implements, and optimizes cloud-based data solutions on Azure and Databricks. Leads migration of ETL/ELT processes to Databricks and ensures data architectures are scalable and secure.