Network Engineer

Black Box do Brasil is seeking a highly skilled Network Engineer to join our on-site team in Barueri, SP. This role is responsible for the design, implementation, and maintenance of complex network infrastructures that support mission-critical operations. The ideal candidate will have hands-on experience with Cisco technologies, deep knowledge of network protocols, and a strong commitment to ensuring reliable, secure, and scalable connectivity across the enterprise.

Requirements

• English in a conversational level mandatory
• Availability to work on-site in Barueri, SP.
• Bachelor’s degree in Information Technology, Computer Engineering, or related field.
• CCNA certification (desirable).
• Proven experience in network engineering and Cisco, Fortnet, Aruba or Juniper environments.
• Strong knowledge of routing, switching, VLANs, and network protocols (TCP/IP, OSPF, BGP, MPLS).
• Experience with network monitoring and management tools.
• Voice system – Teams stand message.
• Experience in Serves
• Advanced knowledge of configuration and troubleshooting in Cisco and Juniper (routing/switching/wireless).
• Experience with Ekahau/AirMagnet (predictive and on-site surveys) and Aruba EdgeConnect/SD-WAN.
• Fortinet (FortiGate) and Aruba firewalls: policies/objects, NAT, VPN, HA, and troubleshooting.

Key Responsibilities

• Design, configure, and maintain LAN, WAN, and wireless networks to ensure optimal performance and security.
• Implement and manage network security solutions, including firewalls, VPNs, and access control.
• Manage network documentation, including topology diagrams and configuration standards.
• Support network upgrades, migrations, and integration projects.
• Ensure compliance with corporate and industry security standards.
• Provide technical support and mentorship to junior network staff when needed.