Introduction / context The client is a key player in the dynamic energy market, offering tailored energy. Within this context, the teams collaborate to design, develop, and operate high-quality integrated systems. We are currently looking for a Middleware Operations Analyst to join the Middleware Foundations Squad and support the operational follow-up of system integrations. Your responsibilitiesMonitor the health and performance of production environmentsPerform first-level technical analysis on incidents and drive them to resolutionCommunicate effectively with internal and external stakeholders regarding operational issuesSupport development and testing phases to ensure operational readinessCoordinate and execute application deployments and infrastructure changesAnalyze recurring issues, initiate problem management, and contribute to long-term solutions.Provide technical support to key users and functional analystsMaintain up-to-date technical documentation and understand solution architectureParticipate in extended business hours support (7h-19h) and 24/7 on-call duties for critical componentsContinuously improve operational procedures, documentation, and automationContribute to the transition toward a DevOps operational model Skills Technical skills & toolsIBM ACE, IBM MQ, IBM DataPowerELK Stack, Kafka/Confluent, Docker, Azure infrastructureKong, PostgreSQL, Bash scriptingIntegration concepts: ESB, message brokers, file transfers, Eda, API managementFamiliarity with: AIX scripting, SQL, Java, Perl, XML Competency areas (with proficiency levels)Secure communication (SSL/SSH/TLS)Web service communicationXML/XSLT, WebSphere MQ, Unix operations, SQLITIL incident managementKibana monitoring, KafkaHigh availability, Java, BPM, EIA Your profileBachelor's or Master's degree (or equivalent experience)Strong communication skills; customer-orientedand results-drivenProactive, motivated, and a team playerStructured and autonomous work style with a sense of responsibilityAnalytical and problem-solving mindsetWilling to assist colleagues and share knowledgeStress-resistant and adaptable to a multinational environmentFluent in Dutch and/or French, with excellent English proficiencyAvailability for evening and weekend interventionsKnowledge of the energy market is a plus Practical infosLocation: BrusselsWorking Hours: Extended business hours (7h-19h) + on-call rotationContract Type: Full-time