Senior Network EngineerBrazil | RemoteWe're looking for an experienced Senior Network Engineer to join an international engineering team delivering complex network security projects for enterprise clients.This role sits at the intersection of network security, firewall migration and automation, supporting customers through the full lifecycle of implementation — from environment analysis through to deployment in production.You'll work closely with both internal engineering teams and client-side stakeholders on large-scale, multi-vendor network environments, helping deliver secure and scalable solutions across a range of customer projects.Senior Network Engineer - What You'll Be Doing:Leading firewall migration and configuration conversion into customer security platformsAnalysing client network environments and designing migration workflowsSupporting deployments and ensuring successful implementation in productionCollaborating with engineering teams to improve internal automation frameworksWorking directly with customers to troubleshoot and deliver tailored security solutionsSenior Network Engineer - What We're Looking For:7+ years of experience in network engineering or network securityStrong hands-on experience with firewalls across at least two of the following:Cisco ASA / Firepower, Check Point, Palo Alto, FortinetExperience in customer-facing technical rolesHands-on scripting experience with Python - must have, non negotiable Strong Linux knowledgeExperience supporting production-grade deploymentsStrong English communication skills (B2+)Senior Network Engineer - Nice to Have:Experience with firewall migration projects in multi-vendor environmentsFirewall certifications from Cisco, Palo Alto, Fortinet or Check PointExperience with SASE / SSE technologies (e.G. Zscaler, Palo Alto)Familiarity with Ansible, Docker, VMware or CI/CD environmentsUnderstanding of enterprise network security best practicesIf you enjoy solving complex firewall and network security challenges and want to work in an engineering-led environment with global exposure - we'd love to speak with you.Apply directly or message me for more details, or reach out to me on: a.Sawa@ltharper.Com