Sr. DevOps Network Engineer – Operations

About the role

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software and is rapidly expanding its SaaS platform. We are looking for a Senior DevOps Network Engineer to operate in a 24/7 environment, maintaining and automating large-scale IP networking components.

Key responsibilities

• Design, engineer, and oversee highly scalable CI/CD pipelines for automated testing, digital-twin dry-running, and zero-downtime deployment of network configurations.
• Champion “Network-as-Code” by establishing enterprise-wide GitOps workflows and using Git as the single source of truth for network state.
• Drive network automation strategy, creating reusable code frameworks and playbooks to eliminate manual configuration at global scale.
• Design and optimize massive-scale software-defined networks and container networking interfaces supporting multi-region cloud and bare-metal environments.
• Serve as the technical authority (SME/Tier 4) for complex network, routing, and overlay issues across physical and software-defined layers.

Required profile

• 8+ years of progressive experience in Network Engineering, DevOps, or SRE roles with a focus on large-scale network design and automation.
• CCIE-level (or equivalent) mastery of core routing protocols such as BGP, OSPF, MPLS, and EVPN.
• Deep expertise in software-defined networking, overlays (VXLAN, OVN, Project Calico) and Kubernetes networking at enterprise scale.
• Extensive experience with enterprise edge, routing, and security fabrics including Cisco Nexus, Arista, Versa SD-WAN, Palo Alto and Fortinet firewalls.

Required skills

• Ansible
• Terraform
• Python (including Netmiko, Nornir, NAPALM)
• Kubernetes networking (CNIs, Ingress, Service Mesh)
• VXLAN, OVN, Project Calico
• Cisco Nexus series
• Arista switches
• Versa SD-WAN
• Palo Alto, Fortinet firewalls
• F5 BIG-IP, Cloudflare, Octavia load balancers
• Git, GitLab CI, Jenkins, GitHub Actions
• Linux network namespaces, eBPF, iptables
• BGP, OSPF, MPLS, EVPN
• NetBox, dynamic technical documentation