Network Specialist jobs in Brazil

The Network Support Specialist is responsible for ensuring the smooth operation, maintenance, and security of Starlinks’ network infrastructure. This includes configuring, troubleshooting, and supporting network devices such as switches, firewalls, and wireless controllers. The role plays a critical part in maintaining network reliability and security to support the company’s logistics and supply chain systems.

• Provide technical support for network infrastructure, diagnosing and resolving issues related to switches, routers, firewalls, and wireless networks.
• Configure, install, and maintain Cisco (Catalyst/Small Business), D-Link, and AVAYA switches to meet operational requirements.
• Configure and maintain wireless network infrastructure including Cisco WLCs, D-Link Controllers, Aruba (on-prem & cloud), and Sophos firewalls as WLCs.
• Perform advanced network configuration (VLANs, trunking, STP, switch stacking – VSS/Stack-Wise Virtual).
• Support routing protocols such as static routing, BGP, and policy-based routing.

• Manage and troubleshoot security solutions using Sophos and Fortinet firewalls, including firewall rules, policies, and high availability (HA).
• Monitor and maintain network security measures including IPS, DDoS protection, ACLs, and port security.
• Configure and manage VPN solutions (site-to-site IPSec VPN and remote access VPNs).

• Provide support for IP telephony, including Voice VLANs, IP phone configuration, and PBX system support.
• Maintain essential network services such as DNS, DHCP, NAT, Syslog, NTP, and SNMP.
• Ensure high availability of network services to support business continuity.

• Monitor network performance using OP Manager, PRTG, or equivalent tools.
• Proactively identify bottlenecks and resolve issues to maintain optimal network performance.
• Collaborate with vendors for hardware/software troubleshooting and escalations.

• Conduct site surveys and assist in new network deployments.
• Prepare and maintain up-to-date documentation of network configurations, change logs, and resolutions.
• Follow IT change management procedures to ensure minimal disruption.

• Stay updated on emerging networking technologies and industry best practices.
• Recommend improvements to enhance network reliability, scalability, and security.

• Bachelor’s degree in computer science, IT, or a related field
• 3–5 years in network support/administration, preferably in logistics/Supply Chain
• Cisco CCNA/CCNP, Fortinet NSE, Sophos Certified Engineer, CompTIA Network+

• Cisco (Catalyst/Small Business), D-Link, AVAYA switches
• Cisco WLC, Aruba (on-prem/cloud), D-Link Controllers
• Sophos & Fortinet firewall management
• Routing (Static, BGP, Policy-based)
• VPN (IPSec, Remote Access)
• Network services (DNS, DHCP, NAT, Syslog, NTP, SNMP)
• Monitoring tools (OP Manager, PRTG)