**Your challenges will be:** Administer, configure, and monitor corporate routers and switches, ensuring network performance and connectivity across the entire infrastructure. Implement and manage network security policies on firewalls, including rule creation, NAT, VPNs, and traffic inspection. Administer and optimize the SD-WAN architecture, ensuring traffic efficiency and resilience between branches and data centers. Perform troubleshooting for complex network incidents, identifying root causes and proposing definitive solutions. Develop and maintain up-to-date technical documentation, network diagrams, and configuration standards. Support network expansion and modernization projects, participating from solution design through execution. Integrate network solutions with monitoring, automation, and observability systems. Conduct capacity, performance, and security analyses, recommending continuous improvements to optimize infrastructure. **Working hours:** 8:00 AM to 6:00 PM. **Essential requirements:** Completed undergraduate degree in Information Technology, Information Security, Engineering, or related fields. Solid experience in corporate network environments, with focus on Routing and Switching. Proficiency in routing protocols: BGP, OSPF, EIGRP. Experience with VLANs, STP, EtherChannel, QoS, and VPNs. Proven experience administering firewalls: configuration, policies, objects, and monitoring. Knowledge of SD-WAN architecture. Advanced network troubleshooting skills using tools such as Wireshark, NetFlow, SNMP, Syslog, among others. Availability for 100% on-site work. **And here’s a great perk—the benefits we offer:** *(Benefits may vary depending on region and working hours)* At the Educational Center, we provide a relaxation area equipped with sofas and poufs, a game room, video game consoles, a deck, a kitchenette where you can enjoy your meals, and a lactation room for nursing mothers. Within the Cidade de Deus campus, you’ll have access to a shared space with colleagues across the entire Bradesco Organization, including: cafeterias, Bio Ritmo gym, swimming pools and sports courts, pharmacy, and laundry services. All stages of the selection process are conducted on our platform. You’ll receive all updates via email. Please monitor your inbox and spam folder to track your progress.