Network Engineer II – Operations

Five9, Manila, Manila, Philippines (Hybrid) +1

The role

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 outages and lead post-incident root cause analysis and corrective action planning.

All jobs

Network Engineer II – Operations

Five9, Manila, Manila, Philippines (Hybrid) +1

The role

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 outages and lead post-incident root cause analysis and corrective action planning.

What you need

Bachelor's degree in computer science or a related technical field preferred, or equivalent practical experience.
Minimum 5 years of experience in medium-to-large networks, IP routing, switching, and security principles in a production SaaS or enterprise environment, including experience as a technical subject matter expert.
Deep hands-on expertise with Palo Alto firewalls — security policy design, Panorama management, Global Protect VPN, and threat prevention.
Advanced experience with F5 BIG-IP — LTM, GTM, iRules, SSL offloading, and application delivery configurations.
Expert-level knowledge of Cisco Nexus 9k/7k/5k/2k, NX-OS, and NDFC, including VXLAN/EVPN fabric deployments.
Extensive hands-on experience with software-defined networking (SDN) — OpenStack Neutron and Calico (Kubernetes).
Hands-on skills with Cisco IOS required; Nexus OS and NDFC expertise required.
Proven experience automating infrastructure processes and deployments using Ansible, Terraform, Python, and CI/CD pipelines, with demonstrated ability to drive and scale a culture of automation.
Demonstrated expertise in LAN protocols and technologies — VXLAN, EVPN, OSPF, BGP, MPLS, and STP/RSTP — with strong hands-on experience with dynamic routing protocols, particularly BGP in data-center fabric environments.
Experience implementing solutions involving large data centers, inter-business routing plans, site-to-site IPSec VPNs, firewalls, and MPLS VPNs.
Strong experience with network monitoring and observability tools — SolarWinds, Prometheus, Grafana, NetFlow, SNMP, and packet brokers.
Demonstrated experience with incident response, root cause analysis, change management, and operational governance; experience defining, measuring, and reporting reliability using SLI/SLO metrics.
Knowledge of Linux network functions and SaaS/cloud-based environments.
Knowledge of AWS and GCP cloud platforms, including cloud networking concepts such as VPCs, security groups, transit gateways, and cloud-based load balancing.
Proven ability to mentor engineers, lead technical projects independently, and manage multiple initiatives in parallel, with demonstrated project management skills.
Excellent communication skills, both oral and written; ability to clearly represent technical domains and team outcomes to senior leadership and non-technical stakeholders.

Network Engineer II – Operations

The role

Network Engineer II – Operations

The role

What you need

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About Five9

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