Senior Network Engineer

New

BrazilFull-TimeSenior

Salary not disclosed

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Job Details

10+ years of experience in MSP, VAR, ISP, NOC, or enterprise IT environments
Fluent English communication skills (mandatory)
Advanced experience with enterprise firewalls: Cisco (ASA/FTD/FMC), Palo Alto (PAN-OS, Panorama), and Fortinet (FortiGate, FortiManager)
Strong knowledge of networking protocols including TCP/IP, OSPF, BGP, EIGRP, IPSec, SNMP, STP, VTP, and VLANs
Experience with virtualized environments (VMware or similar), including virtual networking and segmentation
Strong troubleshooting skills across OSI layers and application-level network diagnostics
Proven ability to optimize and modernize complex legacy network infrastructures
Experience with packet analysis and performance troubleshooting
Strong interpersonal skills with a customer-focused mindset
Ability to work independently in high-pressure, mission-critical environments

Own the end-to-end lifecycle of complex network and firewall incidents, from detection to resolution and post-incident review
Lead troubleshooting and resolution of critical infrastructure issues across internal teams, vendors, and stakeholders
Design, implement, and support network solutions, including scoping, estimation, and technical delivery of projects
Configure, maintain, and optimize enterprise firewalls and networking systems across multiple platforms
Perform root cause analysis and implement preventive measures to avoid recurring issues
Review, validate, and approve network changes, architectures, and remediation plans
Support network hardening initiatives in collaboration with security teams
Create and maintain technical documentation, diagrams, and operational runbooks
Mentor junior engineers and contribute to technical knowledge sharing

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