The PositionAs part of our ongoing growth, we are looking for a Senior Enterprise Software Architect to join our teams and work on client projects located in Brussels.As a Senior Enterprise Software Architect, your main responsibilities will include:Designing and developing complex software architectures and components within the Java Enterprise ecosystemSupporting the full software development lifecycle and guiding the evolution of data processing platforms and related applicationsCreating prototypes and simulations to support informed decision-makingPerforming impact analysis on architectural choices and providing recommendationsEnsuring the design balances functional, security, and operational requirementsContributing to organizational policies and standards related to software architectureProviding technical guidance and mentoring to development teamsYour ProfileBachelor’s or Master’s degree in Computer Science, Engineering, or equivalentAt least 10 years of experience in enterprise software development and architecture using Java and SpringStrong knowledge of distributed systems, network design, and application securityExperience with Agile methodologies (Scrum, Kanban, Lean, etc.)Excellent understanding of software design principles and modeling languages (e.g., UML, ArchiMate)Hands-on experience with:Web services: Microservices, REST, JSONWeb clients: HTML, CSS, JavaScript/TypeScriptData technologies: SQL, NoSQL, Graph databases, ElasticSearch (ELK), etc.Development tools: Git, GitLab CI/CD, Maven, IntelliJ, Docker, JiraInfrastructure: Infrastructure-as-Code, VMware, Red Hat Enterprise Linux, Red Hat OpenShiftAngular Web Application FrameworkLanguages:French or Dutch as your primary language, with at least a basic knowledge of the other national language and EnglishOthers:Belgian nationality requiredEligible for – or willing to undergo – security clearance at “Top Secret” level (the process is fully covered)Strong sense of responsibility and discretionNo remote work: full-time on-site presence required in Brussels, near Brussels-North station (flexible working hours)Working ConditionsPermanent contract with an attractive salary packageCompany car with fuel cardRepresentation feesMeal vouchersMobile phone subscriptionGroup insurance & healthcare insurance20 legal vacation days + 12 compensatory daysWhat we offerAccess to exciting projects in key sectors: Transport, Energy, Automotive, Telecom, FinanceA diverse client base: Collaborations with both large corporations and smaller dynamic companies across BelgiumA real career development plan: Continuous training, coaching, daily knowledge sharingAn innovative and collaborative environmentAbout ALTENALTEN is a world leader in engineering and technology consulting, with over 57,000 employees in more than 30 countries. We support major companies in their innovation, R&D, and digital transformation projects across sectors such as automotive, aerospace, energy, finance, life sciences, and telecommunications.Present in Belgium for over 25 years, ALTEN Belgium operates from its offices in Brussels and Antwerp. Today, with a team of 700 consultants, ALTEN Belgium offers a wide range of expertise across Engineering, Life Sciences, and IT fields. From Automotive to Railway, and Medtech to Agrifood, our experts deploy their knowledge to provide innovative solutions in a dynamic and forward-thinking environment.Ready for a new challenge?Apply now and take part in innovative and impactful projects at ALTEN Belgium!