controller English-speaking jobs in Rixensart

Experienced Head of Regional IT to lead end-user IT operations for 2,000-3,000 employees across Northern and Central Europe. Responsibilities include managing local IT teams, ensuring infrastructure effectiveness, and coordinating with global IT functions.

Lead discovery-stage process development and analytical innovation for a lentiviral vector platform. Design, optimize, and characterize processes for small-scale bioreactor manufacturing. Collaborate with cross-functional teams to ensure alignment and tech-transfer readiness.

We are hiring Dutch-speaking professionals for multiple Tech Sales & Account Management roles. Manage client portfolios, support onboarding and campaign performance, and identify sales opportunities.

DQventures seeks a part-time founder & CEO for a new B2B business. This equity-only role will transition to full-time with a market-rate salary upon achieving sufficient revenue or funding. Responsibilities include market research, competitor analysis, defining and launching the business, leading sales efforts, and raising funding.

Enterprise Security Architect needed for key client project. Develop, maintain, and evolve security architecture. Align security practices with regulatory frameworks (NIS2, ISO27001, GDPR). Evaluate and select enterprise-level security platforms. Minimum 5 years experience as a security architect required.

Live studio presenters are needed for international digital entertainment platforms. Roles require fluency in one of several languages, strong communication skills, and comfort on camera. Full training provided.

GTM Associate to drive sales and customer success for an early-stage AI productivity tool in finance and strategy. Full ownership of the sales cycle, from prospecting to full rollout. Collaborate with engineers and build GTM playbooks.

Data Engineer needed to implement and maintain data warehouse and ETL infrastructure. Responsibilities include transforming data, designing and implementing data warehouses, and developing ETL processes. Requires experience with ETL, data pipelines, and SQL querying. Fluency in Dutch or French and strong English skills are necessary.

Reisel Consulting seeks a Mechanical Engineer for a full-time permanent position with a client in the energy sector. Responsibilities include defining design specifications, planning projects, and participating in prototype testing. The role requires a Master's degree in Mechanical Engineering or a related field and a minimum of 4 years of experience. Proficiency in 3D design tools (e.g., CREO) and PLM (e.g., Windchill) is essential. Fluent English is required, with French or German being a plus.

Senior Data & Network Integration Consultant will align data collection processes, improve data quality, and drive integration between GIS and SAP systems. Experience in utilities, GIS, SAP, and data governance is required.

The European Institute of Policy Research and Human Rights seeks a Junior Research Fellow to develop research skills and contribute to policy-oriented publications.

Test, Verification & Validation Lead to define, govern, and execute testing strategy across products and delivery streams for the NCE & SA region. Hands-on leadership role combining strategic ownership with operational involvement in testing activities. Ensures high product quality, regulatory compliance, and continuous improvement of testing performance.

Experienced Physics Teacher to deliver IBDP Physics (SL/HL) and Integrated Science. Must have a degree in Physics or related field and experience teaching IBDP Physics.

Lead engineering for sustainable industrial projects, including Waste-to-Energy, district heating, battery storage, and Carbon Capture. Manage a team of engineers, ensure quality and efficiency of deliverables, and contribute to commercial bids.

Customer Support Representatives needed for multilingual teams across Europe. Fluent English plus one additional EU language required. Support customers via phone, chat, and email.

The Director BSS Commercial Technical Delivery is accountable for the Netcracker BSS platform within Telenet. This role defines and safeguards the platform's vision, analyzes market trends, and ensures platform performance and evolution. The Director drives delivery governance, acts as the primary point of contact for Netcracker, and leads, coaches, and develops the team.

Provide technical support and maintenance for X-ray systems, ensuring reliable operation in healthcare environments. Troubleshoot, repair, upgrade, and install products and services while adhering to regulatory guidelines. Track service activities, prepare for visits, and address customer escalations. Identify sales opportunities and support business growth. Maintain technical expertise on assigned products and services. Participate in 24/7 duty for DXR (Extended Service Window).

Experienced engineering lead to build a high-performing team culture focused on quality, collaboration, and continuous improvement. Hands-on role balancing technical contribution with people leadership and team development. Partner with Head of Engineering to implement engineering transformation initiatives and define the engineering roadmap.

The Senior Director Country Manager will oversee all BELUX region operations, drive strategic growth, and ensure business objectives are met. The role requires a visionary leader with a proven track record in senior management, strong business acumen, and relationship-building skills.

Designs end-to-end solutions for complex business and technical challenges, translating needs into scalable and secure architectures.