About usFintensy builds and runs the platform powering mozzeno, Belgium's collaborative lending platform, and other white-labelled platforms for financial entities. We're a human-sized, growing fintech where practical engineering, security by design, and clear ownership matter. The job is located in Wavre.Job contentAs our Infrastructure & Security Engineer, you willManage the day-to-day security/IT operations across cloud and end-user environments.Further design and operate our secure multi-account AWS Landing Zone, primarily using Infrastructure as Code with AWS CDK (migration to IaC ongoing).Implement resilience for our service operation and DR including regular testing.Operate CI/CD with Azure DevOps and Octopus Deploy in collaboration with development teams.Support our application stack (.NET Web API, Angular, WordPress, PowerShell, Python, R) with robust infra & security.Lead security operations and actively contribute to our ISO-27001 compliance journeySupport our efficiency roadmap through recommendations and implementations of the most suited solutions and processes to address the identified needs.Own end-user IT and end-point security: Google Workspaces and related end-user services, laptop provisioning, centralised management, email security, and access reviews (joiner-mover-leaver).OfferA meaningful role in a fintech scale-up with real impact and ownership.Pleasant working conditions outside Brussels—easy to reach, less traffic—plus hybrid flexibility.Culture of autonomy, clear responsibilities, and growth opportunities.Competitive salary with benefits aligned to your experience.Profile & skillsBackground & experienceDegree in Computer Science/Engineering or equivalent experience.Native French or Dutch. Professional English;Soft skillsClear communicator, collaborative, and comfortable taking responsibility/accountability.Pragmatic security mindset.Organized, curious, and solution-oriented.Must-haves4–8+ years in infrastructure/security with strong AWS experience.Proven Infrastructure as Code skills.Solid command of Linux and/or Windows, networking (TCP/IP, TLS, DNS, routing), and scripting language (PowerShell/Python/Bash).Experience operating CI-CD pipelines in Azure DevOps, Octopus Deploy or similar tools.ISO 27001-inspired controls, GDPR awareness;Nice-to-havesAWS certifications related to infrastructure and securityExposure to Azure and Google Cloud basics.Fintech/regulatory exposure.Type d'emploi : Temps plein, CDIAvantages :Assurance hospitalisationChèques repasÉco-chèquesÉvénements d'entrepriseOrdinateur de fonctionLieu du poste : En présentiel