1278 English-speaking jobs in Brussels

Lead Application Engineer will design and deliver AI-powered applications for financial clients, integrating LLMs, RAG pipelines, and agentic workflows. Responsibilities include architecting backend solutions, mentoring engineers, and collaborating with clients to translate business goals into technical roadmaps. Strong Java backend experience, familiarity with front-end frameworks, and knowledge of cloud-native patterns are required.

AI Engineer to build and deploy production-ready LLM agents for an AI platform. Develop agentic workflows, integrate LLMs (Claude, Gemini, OpenAI), and automate tasks across Excel, PowerPoint, Word, and Chrome.

Create short-form video and static content for Instagram and TikTok, blending finance, culture, and news. Own the content creation process from concept to publication. Collaborate with the Engage team on campaigns and product launches.

Senior Cyber Security & Risk Project Manager for a long-term assignment in a highly regulated financial environment. Leads delivery of projects from initiation to audit closure, maintains governance artefacts, and drives GRC activities. Requires senior experience in Cyber Security Project or Program Management, Risk Management, and GRC. Proven experience with audit coordination and knowledge of ISO 27001, NIST, and CIS frameworks is essential.

The Head of Finance leads the Finance unit within the Administration Division, overseeing the Secretariat's financial cycle across three duty stations. Responsibilities include budget planning, financial reporting, and leading financial process modernization.

Hotel Manager for Motel One Brussels, representing The Cloud One Hotels brand and delivering a unique guest experience. Responsible for team leadership, training, event organization, operational and administrative management, and financial performance. Requires a hospitality degree, 5+ years experience in a similar role, and experience in events and F&B.

Lead architect and builder for a global luxury travel platform migrating from Magento to a headless, API-first architecture. Requires 12+ years of technical leadership in travel technology, including GDS, PMS, and API integrations. Expert in modern back-end languages and cloud infrastructure.

Aircraft Engine Inspector to perform visual and dimensional inspections on engine parts, evaluate their serviceability, and record findings. Responsibilities include launching actions based on inspection results, ensuring traceability, and carrying out incoming and final inspections. Requires a technical background, experience as an inspector, and strong knowledge of aircraft engines.

Functional Tester/Analyst to support an end-to-end solution for field inspections and maintenance activities. Responsibilities include reviewing analysis deliverables, developing test plans, executing functional and non-functional tests, and collaborating with stakeholders.

Software Engineer to develop and maintain a real-time SCADA platform for energy balancing. Work on backend and frontend components, design scalable solutions, and collaborate with cross-functional teams.

Lead and deliver complex SAP initiatives end-to-end, ensuring delivery in line with scope, timeline, budget, and quality expectations. Act as project owner, driving execution, governance, and decision-making across cross-functional teams.

Client Administration Manager manages client portfolios, from order intake to invoicing. Responsibilities include validating project kick-offs, monitoring invoicing elements, managing client follow-ups, and analyzing commercial margins.

The Eclipse Foundation seeks a junior-to-mid-level Security Analyst to join its Security Team. This role focuses on incident response and vulnerability management, including the responsible use of automation and AI-assisted workflows. The Security Analyst will monitor, investigate, document, and respond to security issues, review vulnerability scan results, and track remediation efforts. This is a 12-month fixed-term, fully remote role open to candidates in the European Union, Canada, and the United States.

Design, build, and operate AI-assisted vulnerability management workflows across Eclipse Foundation open source projects. Integrate AI-assisted analysis into developer and CI/CD workflows to identify, triage, and remediate vulnerabilities. Collaborate with project maintainers to land real fixes and improve the speed, accuracy, and consistency of vulnerability discovery and remediation.

The IT Cybersecurity Program Manager oversees a portfolio of three cross-functional cybersecurity projects: Business Continuity & Disaster Recovery (BCP/DRP), Cross-functional traceability (SIEM/SOC), and Supply Chain & subcontractor management (MAP). Responsibilities include scoping, planning, budgeting, risk management, operational steering, and stakeholder management.

Keystone Solutions is seeking a .NET Developer with C# to join a consultancy mission at a mobility client. Responsibilities include developing, maintaining, and monitoring applications, automating testing, collaborating with stakeholders, and participating in design discussions. The ideal candidate has 3+ years of C#.NET development experience, knowledge of the .NET framework, and experience with ASP.NET, Azure DevOps, and SQL Server.

Senior professional responsible for end-to-end management of complex contracts and procurement activities. Leads high-value acquisitions, optimizes contract performance, and provides expert advice on procurement and contractual matters. Requires a strategic approach to sourcing, contract administration, risk management, and stakeholder engagement.

Senior professional responsible for end-to-end management of complex contracts and procurement activities. Leads high-value acquisitions, optimizes contract performance, and provides expert advice on procurement and contractual matters within an international and highly regulated environment.

Support NATO's digital transformation by developing and advancing communications and networking standards. Responsibilities include ontology engineering, data standards development, and integration with AI. Requires a degree in a relevant field and experience in software engineering, data modeling, and national or military contexts.

Provides expert support in the analysis, coordination, development, and maintenance of NATO Cyber Security and CIS standards. Contributes to the design and evolution of NATO standardization artefacts within the cyber security domain.