software English-speaking jobs in Tienen

Experienced Business Manager to grow Avertim's Energy Business Unit and expand consulting services in Belgium. Responsibilities include business development, team leadership, and project delivery. Requires a Master's Degree, 6-10 years of management experience, fluency in Dutch, French, and English, and strong leadership and communication skills.

Medical Science Liaison Oncology for Wallonia, Brussels, and Luxembourg. Develop and maintain medical networks, provide scientific information, and organize medical educational meetings.

Provide high-level technical support and service to customers, troubleshooting complex issues, performing maintenance and repairs, and providing training. Minimum 2 years of experience in technical service or field service required.

Senior R&D Chemist/Engineer to lead product development and leverage chemistry expertise to create novel polymer solutions. Requires 5+ years of experience in chemistry, petrochemicals, plastics, coatings, adhesives, rubber, polymer formulation, composites, or polymer processing. Must possess strong analytical, communication, and project management skills.

Steer the life insurance portfolio through numerical analyses, contributing to profitability and development. Develop multiannual strategic plans, set business goals, and translate trends into budgets and forecasts. Produce reports for closure, reinsurers, and regulators, ensuring data quality.

Senior consultant to execute transformation projects in the Financial Services sector. Requires 3-6 years of consulting experience, strong analytical skills, and fluency in French, Dutch, and English.

Accountant with hands-on Workday Finance experience needed for a structured finance environment. Responsibilities include general ledger accounting, accounts payable/receivable, monthly/yearly closing support, and financial reporting. Must have practical Workday Finance experience, accounting principles knowledge, and fluency in French/English or Dutch/English.

Manages design deliverables, coordinates with stakeholders, and ensures quality control. Requires a relevant degree and experience, fluency in English, and knowledge of BIM, CAD, and building standards.

Experienced Wind Turbine Service Technician needed for onshore wind farms in Belgium. Perform preventive and corrective maintenance on Enercon, Vestas, and Senvion turbines. Troubleshoot and repair mechanical, electrical, and hydraulic systems.

Experienced OpenShift/Kubernetes Engineer needed to design, build, and operate secure, disconnected OpenShift clusters. Responsibilities include cluster maintenance, automation, security, and onboarding applications. Requires experience running OpenShift in production, automation tools, and secure environment operations.

Accounting Manager to lead a team of 5, managing financial closings, VAT filings, cash management, and internal/external audits.

Business Controller needed for a major healthcare company in Namur. Drive annual budgets, manage financial follow-up, build dashboards, and secure subsidies. Master's degree in Finance, Economics, or related field required. Fluent in French and English.

CMC Statistician needed for pharmaceutical development and quality control. Responsibilities include statistical analysis, DoE, bioassay analysis, and programming in R. Must have proficiency in R, DoE knowledge, and a Master's degree in Statistics.

Software Engineer graduates in ICT or Computer Science (2026) sought for full-stack development in C#, .NET, TypeScript, Angular, React. Work on complex technical challenges and contribute to software architecture, code quality, and maintainability. Two tracks available: Product Team (backend development, architecture) or Project Team (customer implementation, project management).

Climate Alliance seeks a Coordinator to provide maternity cover for Belgian activities under the European Climate Pact. The role involves strategic planning, coordination, implementation, stakeholder engagement, and reporting at the national level, with a focus on citizen engagement activities and the Climate Pact Ambassador network.

Manage the full recruitment cycle for clients, build relationships, source talent, conduct interviews, and advise on recruitment strategies. Fluency in French, Dutch, and English is required.

Communicate with customers to resolve outstanding payments, advise on payment plans, and explain financial products.

Supports sector groups and internal stakeholders with data collection, analysis, and reporting. Ensures accuracy and consistency of datasets while maintaining confidentiality. Presents statistical reports and handles requests from internal and external clients.

Experienced Project Manager needed to lead infrastructure and cloud projects (network upgrades, migrations, security, etc.). Manage full project lifecycle, stakeholders, technical teams, and vendors.

Supports NATO Communication and Information Agency (NCIA) with supply personnel efforts including procurement, stock record accounting, receipt, storage, and issue of equipment. Completes property accountability records and files, and assists with inventory management. Requires experience in CIS Asset Management and Logistic Support, knowledge of NATO CIS provisioning and inventory control procedures, and a valid National or NATO Secret security clearance.