**Company Description:** We are more than 90,000 people who, every day, dedicate our passion and energy to fulfilling our Purpose of "Simplifying and Enjoying Life More." A Purpose that today lives through our physical and digital ecosystem across all our companies (Falabella Retail, Sodimac, IKEA, Tottus, Mallplaza, Falabella Inmobiliario, Falabella.com, Linio, Falabella Financiero, Banco Falabella, Falabella Soriana, Seguros Falabella, Fazil, Fpay and Falabella Corporativo) and countries (Argentina, Brazil, Chile, China, Colombia, India, Mexico, Peru and Uruguay). We value diverse perspectives because we understand that diversity is the key to our innovation. We want to go beyond any limit, constantly challenge ourselves, enjoy doing what we love, and leave a mark on what we do. And we know there is one way to do it: as ONE TEAM. Discover more opportunities to experience \#ExperienciaFalabella at https://muevete.falabella.com/ **Job Responsibilities:** We are looking for an IT Specialist to join our team at Falabella Financiero! If you have experience in managing, implementing, and supporting middleware platforms, this opportunity is for you. We are seeking a candidate with solid knowledge of WebLogic, Tomcat, and JBoss, as well as experience in certificate administration and related tools. What will you do in this role? * Middleware Administration: Configuration, maintenance, and support of application servers, ensuring their availability and performance. * Certificate Management: Installation, renewal, and monitoring of digital certificates, resolving SSL/TLS security incidents. * Automation and Development: Implementation of automated tasks using Bash, Python, Ansible or Chef, and code versioning with GitLab. * Documentation and Continuous Improvement: Creation and updating of technical documentation, optimizing operational processes. * Support and Problem Resolution: Diagnosis and resolution of incidents on middleware servers, collaborating with other technical teams. What do you need to apply? * Servers/app: JBoss, Apache Tomcat, Oracle WebLogic (Mandatory) * Availability to work rotating shifts (Mandatory) * Cloud platforms: OCI, AWS, Azure, GCP * Web servers: Apache HTTP, (Mandatory) * Performance tuning: JVM and web server tuning (Mandatory) * Platforms: Linux/Unix If you enjoy new challenges with high responsibility and visibility at the epicenter of retail transformation in Latin America, join us! We are a company that supports Law 21015, we support diversity and inclusion in all its forms, regardless of religion, race, gender, disability status, or nationality. **Requirements:** Availability to work rotating shifts (Mandatory) **Servers/app:** JBoss, Apache Tomcat, Oracle WebLogic (Mandatory) **Web servers:** Apache HTTP, (Mandatory) **Performance tuning:** JVM and web server tuning (Mandatory) **Offer conditions: