Network Engineer II

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Description

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. To complement our rapid growth, we are sourcing a Network Engineer II to operate in a 24/7 Software-as-a-Service (SaaS) environment, taking ownership of complex LAN infrastructure initiatives and driving operational excellence across Cisco Nexus, Palo Alto, and F5 platforms. You will lead projects, own end-to-end troubleshooting, drive automation strategy, and provide technical leadership during incidents — while mentoring junior engineers and representing the network domain to senior stakeholders. Troubleshooting & Incident Response Own end-to-end troubleshooting of complex LAN connectivity, firewall policy, and load balancer issues, and drive resolution with customers and internal teams. Conduct in-depth analysis of network incidents, identify root causes, and implement preventive measures to reduce repeat occurrences. Lead and coordinate responses to network and security incidents, ensuring timely resolution and minimizing potential impacts. Participate in on-call rotation following the Sun Model schedule; provide technical leadership during o

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