controller English-speaking jobs in Tienen

Administrative Assistant for Medical Services needed for a European institution. Fluent English required, French preferred. Responsibilities include managing medical records, data archiving, visitor reception, and email correspondence. At least 3 years of relevant experience required.

The Attorney Support Specialist provides administrative support to attorneys and managers, managing new matter openings, conflict checks, and billing processes. This role requires excellent communication, organizational, and interpersonal skills, as well as proficiency in English and another European language.

Support BESIX's recruitment team during a 2-3 month internship. Responsibilities include screening CVs, managing candidate files, and providing general support. Must be pursuing a Bachelor/Master degree in Human Resources, Business Management, Engineering, or equivalent.

Lead financial performance for a Business Unit within an international petroleum company. Manage budgets, forecasting, and financial reporting. Provide strategic recommendations and insights to stakeholders.

Seeking Senior Associate, Counsel, or Partner transitions across Corporate/M&A, Employment, IP/IT, Litigation, Banking & Finance, and Real Estate. 6+ years of experience required, business mindset for senior roles.

As a Data Scientist in the Product Support and Logistics Division, you will analyze large datasets to support data-driven business decisions. You will develop data models, apply machine learning techniques, and collaborate with stakeholders to generate actionable insights.

Leads communication across European markets, focusing on the MSP ecosystem. Connects countries, MSPs, vendors, investors, and strategic initiatives. Drives sustainable growth through relationship building, market enablement, and strategic collaboration.

Data Engineer needed to design, build, and maintain ETL/ELT pipelines for enterprise platforms. Develop and optimize data models, ensuring data accuracy and reliability. Manage data integration with APIs, cloud services, and third-party systems.

Provide technical support via calls, chats, and emails to resolve customer inquiries. Must have excellent English and Polish communication skills and at least 1 year of customer support experience.

The Site Project Scheduler develops, integrates, and maintains the integrated project schedule (IPS) to provide a credible timeline for project execution. The scheduler leads the project planning and schedule development process, ensuring the IPS reflects project scope, client requirements, and reporting needs. The role requires a Dutch speaker based in Geel.

Senior Cloud Solution Architect needed for long-term freelance engagement. Translate on-premises applications to Microsoft Azure, including Azure SQL, Container Apps, Key Vault, EntraID, and Terraform. Design hybrid architectures, assess technical options, and provide support throughout implementation.

Expert in data governance for e-Health projects, ensuring quality, interoperability, and compliance. Contributes to strategic projects, defining business concepts and data exchange standards. Collaborates with IT and business teams to integrate information systems within the social protection ecosystem.

Manage leads from initial contact to signed proposals, optimize sales processes, and ensure CRM accuracy. Prepare and submit tenders, analyze sales performance, and contribute to marketing efforts.

AWS Solution Architect needed for long-term, hybrid role (2 days onsite, 3 days remote) in Brussels. Minimum 6 years of experience required. Expertise in Microsoft Azure PaaS, cloud-native architectures, and Kubernetes essential.

Senior Service Desk Manager needed for a 6-month interim role. Lead and manage global support teams, drive process improvements, and structure the Service Desk organization. Strong technical awareness (Microsoft, SAP, cloud) required.

Senior Optomechanical Engineer to lead the design, development, and integration of high-accuracy optomechanical systems for space applications. Requires a Master's degree and 5-10 years of experience in designing and developing optomechanical systems. Strong collaboration and technical leadership skills are essential.

Data Scientist will implement innovative data models to solve business issues. Responsibilities include gathering business requirements, analyzing data, providing data-driven recommendations, and applying predictive analysis and machine learning. Requires 2+ years of experience in Data Science and proficiency in technologies like MATLAB, R, SAS, Python, or Java. Fluency in French and English is required.

Senior AI Engineer will design, develop, and deliver complex AI solutions using state-of-the-art (Gen)AI technology. Responsibilities include translating customer requests into AI solution architectures, building prototypes, and transforming them into production-ready systems. The role also involves collaborating with business experts and mentoring team members.

Category Manager will define and execute a category and portfolio strategy for Sheet Vinyl, driving sustainable growth and market leadership in a B2B2C environment.

Senior Business Project Manager leads and coordinates end-to-end business delivery within large-scale financial sector transformation programs. Ensures alignment across Business, IT, Operations, Testing, and external providers, driving consistent and high-quality delivery. Oversees multiple squads and streams, ensuring strong governance, coordination, and execution discipline.