controller English-speaking jobs in Rixensart

Product Manager Energy drives product lifecycle, from market design to operational excellence. This role requires energy market expertise, commercial mindset, and ownership of P&L performance. Must have 3+ years in the energy sector and understand Belgian regulations.

Experienced mental health professionals are needed to improve AI systems' understanding of trauma-informed care for vulnerable youth. This contractor role involves analyzing abuse scenarios and evaluating AI-generated mental health guidance.

Lead financial governance, planning, and performance steering for the IT portfolio. Oversee RtC costs, IT financial planning, and cost controlling, providing insights to executive stakeholders. Requires 10+ years in Finance, IT, or consulting.

Assistant Store Manager for a premium women's fashion brand. Responsibilities include leading the team, ensuring smooth operations, advising customers, and managing stock and presentation. Requires experience selling high-quality women's outerwear.

Senior Informatica Powercentre/Oracle Technical Data Engineer needed for new development and maintenance. Responsibilities include translating functional to technical requirements, unit testing, and operational support. Requires a Bachelor's in IT and 2-4 years of experience.

Head of Client Development drives brand business by fostering client loyalty and seizing recruitment opportunities in Client Services Europe. Leads the Private Client Advisor team and develops client development strategy.

L3 Support Engineer role requires investigating and troubleshooting escalated issues involving backend, databases, and integrations. Candidates need excellent English, SQL skills, and experience with technical support and code reading.

Senior Business Analyst needed for the Belgian energy market. Translate business needs into processes, requirements, and UMIG documentation. Requires 5+ years as a BA and 5+ years in the Belgian energy market.

Warehouse Operator needed for a growing logistics company. Responsibilities include receiving goods, picking and packing orders, performing quality checks, and monitoring stock levels. English proficiency is required.

Lead the global direction of Ascom's Mobility portfolio, defining strategy, owning the roadmap, and driving commercial success for critical communication solutions. This role requires senior product leadership across hardware, software, and services.

Experienced Engagement Manager needed for Consumer Health consulting. Lead end-to-end projects driving growth via RGM, Category Management, and insights. Requires 8-10 years in related fields and fluency in Dutch and French.

Program Delivery Lead responsible for the end-to-end execution of a large-scale FTTH rollout. This role ensures structured, transparent delivery across scoping, engineering, and construction while managing risks and stakeholders.

Working at Telenet Business At Telenet Business, our business customers always come first. We go the extra mile to support them and help them succeed. With our strong portfolio of solutions, we enable companies, organizations, and government institutions to benefit from seamless online meetings, optimal connectivity, reliable hosting, secure buildings, and much more.

Freelance Mechanical CFD Engineer to train and evaluate AI agents on fluid simulation tasks. Requires expertise in OpenFOAM, ANSYS Fluent/CFX, or STAR-CCM+, and Python. Focus on setting up simulations and building verified reference solutions.

Develop Covalux's Automotive business in the province of Liège by building client relationships and advising on equipment, tools, and consumables.

Senior System Engineer needed to manage complex EndPoint infrastructure supporting over 100,000 endpoints and 1,000 applications. Responsibilities include design, maintenance, and security of desktops, laptops, and mobile devices. Requires 10+ years of experience and fluency in Dutch or French.

Manage and deliver data protection and identity management processes for NATO users. Requires 10+ years in military/international settings, AMIS printer/laminator accreditation, and extensive program/project management experience.

Own the Marketplace MAU Growth team end-to-end, leading a pod of engineers and designers. Drive full-funnel growth across consumer apps, scaling successful features across multiple markets.

Bilingual Dutch Generalist Expert for AI Safety. Write expert prompts in Belgian Dutch, classify conversations, and flag adversarial phrasings. Evaluate AI model handling of sensitive topics in Dutch. Requires native/near-native Dutch and business-level English.

Experienced drug discovery scientist to lead early-stage programs, translating scientific breakthroughs into therapeutic opportunities. Will guide a diverse portfolio of programs, integrating computational approaches and experimental validation. Requires PhD in a relevant field and 5-10 years of industry experience in small-molecule drug discovery.