Network Engineer II - Data Center & Automation (Remote)

Five9; United States; Hybrid; USD 82,600 - 230,800; Full time

Benefits offered by this job

Health benefits

Dental & Vision

Stock plan

Paid time off

Parental leave

401k match

Job summary

Five9 is seeking a senior Network Engineer II to own complex LAN infrastructure initiatives in a 24/7 SaaS environment. You will lead incidents, drive automation, and mentor junior engineers while collaborating with cross-functional teams.

Experience with Palo Alto, F5 BIG-IP, Cisco Nexus NX-OS, VXLAN/EVPN fabric deployments, and cloud networking across AWS/GCP is required. Fully remote work is possible for eligible candidates.

Qualifications

• Minimum 5–10 years in medium-to-large networks, IP routing, switching, and security in a production SaaS or enterprise environment.
• Deep hands-on expertise with Palo Alto firewalls and F5 BIG-IP.
• Expert-level Cisco Nexus and NX-OS, including VXLAN/EVPN fabric deployments.
• Strong SDN experience (OpenStack Neutron, Calico) and Linux networking.
• Proven automation experience with Ansible, Terraform, Python and CI/CD.

Responsibilities

• Own end-to-end troubleshooting of complex LAN connectivity, firewall policy, and load balancer issues.
• Lead network incidents, root cause analyses, and post-incident actions.
• Architect and drive data-center fabric designs across hybrid/multi-clouds (AWS/GCP, on-prem).
• Develop roadmaps, standards, and runbooks for LAN, firewall, and load balancer estates.
• Mentor engineers and present outcomes to senior stakeholders.

Skills

Palo Alto firewalls

F5 BIG-IP

Cisco Nexus NX-OS

VXLAN/EVPN

Calico (Kubernetes)

Ansible

Terraform

Python

CI/CD pipelines

AWS / GCP cloud

OpenStack Neutron

Incident response

Leadership / mentoring

Education

Bachelor's degree in computer science or related field

Tools

NDFC fabric management

SolarWinds

Prometheus

Grafana

GitLab / CI

Job description

Five9 is seeking a senior Network Engineer II to own complex LAN infrastructure initiatives in a 24/7 SaaS environment. You will lead incidents, drive automation, and mentor junior engineers while collaborating with cross-functional teams.

Experience with Palo Alto, F5 BIG-IP, Cisco Nexus NX-OS, VXLAN/EVPN fabric deployments, and cloud networking across AWS/GCP is required. Fully remote work is possible for eligible candidates.