Five9

Sr Network DevOps Engineer

Five9
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2 months ago
Remote, IndiaSenior
H1B Sponsor

Responsibilities

  • Design and oversee scalable CI/CD pipelines for automated testing, digital-twin validation, and zero-downtime network configuration deployments.
  • Establish Network-as-Code and GitOps workflows with Git as the source of truth for network state, policy, and infrastructure design.
  • Create reusable automation frameworks and playbooks using Ansible, Terraform, Helm, Python, and Bash to eliminate manual network operations.
  • Design and optimize software-defined networks and container networking across multi-region cloud and bare-metal environments.
  • Act as the Tier 4 technical authority for complex network, routing, underlay, and overlay issues.
  • Partner with enterprise designers, SRE leaders, and platform teams to deliver resilient, secure, multi-tenant-isolated network infrastructure.
  • Engineer overlay and container networking solutions using VXLAN, OVN, and Project Calico.
  • Automate security and traffic-management policies across enterprise firewalls and load balancers.
  • Implement Security-as-Code validation gates for security groups, ACLs, and firewall rules before production deployment.
  • Build automated validation suites for network health, state, routing tables, and pre- and post-deployment correctness.
  • Design telemetry, monitoring, alerting, and automated remediation platforms for performance, security, and capacity issues.
  • Drive code-based infrastructure definitions and living technical documentation using NetBox and Git Markdown.
  • Mentor engineers, lead design review boards, establish coding standards, and drive cross-functional engineering initiatives.

Requirements

  • 8+ years of progressive experience in Network Engineering, DevOps, or SRE roles focused on large-scale network design, automation, and infrastructure-as-code.
  • Expert proficiency with Ansible, Terraform, Python, and network automation libraries such as Netmiko, Nornir, or NAPALM.
  • Deep expertise in software-defined networks and overlays, including VXLAN, OVN, and Project Calico.
  • Advanced enterprise-scale Kubernetes networking experience, including CNIs, ingress controllers, service mesh, and Kube-Proxy behavior.
  • Extensive experience with Cisco Nexus, Arista, Versa SD-WAN, Palo Alto, and Fortinet networking and security platforms.
  • Expertise with API-driven application delivery and load balancing using F5 BIG-IP AS3, Cloudflare APIs, and Octavia LBaaS.
  • Deep Linux internals and networking knowledge, including network namespaces, virtual interfaces, eBPF, iptables, and kernel-level routing.
  • CCIE-level or equivalent mastery of BGP, OSPF, MPLS, and EVPN, with knowledge of physical underlays and virtual or container overlays.
  • Experience designing and scaling CI/CD platforms such as GitLab CI, Jenkins, or GitHub Actions and implementing infrastructure testing.
  • Advanced packet analysis and troubleshooting experience using tcpdump, Wireshark, NetFlow, and log aggregation platforms.
  • Proven technical leadership through mentoring, design review leadership, and cross-functional engineering initiatives.
  • Deep telecommunications experience with VoIP, RTP, SIP peering or trunking, and Session Border Controllers is highly advantageous.
  • Exceptional verbal and written communication skills and the ability to explain complex technical concepts to executive stakeholders.

Tech Stack

AnsibleBashCloudflareGitGitHub ActionsGitLab CI/CDHelmJenkinsKubernetesLinuxPython

Categories

Five9

About Five9

1,001-5,000 employees

Five9 provides a comprehensive suite of CX solutions, powered by Five9 Genius AI, to elevate customer experiences that deliver better business outcomes in the era of The New CX. The New CX redefines how brands connect with customers through seamless and efficient AI-driven journeys that anticipate and meet each customer’s unique needs. Our unified cloud-native offering enables AI and human agents to create hyper-personalized customer experiences, so every customer interaction is more connected, effortless, and personal. Trusted by 3,000+ customers and 1,400+ partners globally, Five9 brings together the power of our AI, our platform, and our people to drive AI-elevated CX.

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