Network Reliability Engineer (L3)

Quick Facts

• Role: Network Reliability Engineer (L3)

• Focus: Enterprise networks across LAN/WAN/WLAN, security, and data center—plus Fortinet expertise

Description

Build backend features and full-stack automation to improve network reliability, operations, and approvals. Develop REST/GraphQL APIs, create automation workflows, and deploy/manage services using container and orchestration tools. Troubleshoot complex network issues and support design reviews, documentation, and mentoring.

Responsibilities

• Develop backend and full-stack features using Python, Django, and PostgreSQL

• Build and maintain REST and GraphQL APIs

• Create automation workflows for network operations and approvals

• Use MongoDB, Redis, Celery, and RabbitMQ for data handling and background tasks

• Deploy and manage applications using Docker and Kubernetes

• Support automation using Terraform and Ansible

• Build CI/CD pipelines using GitLab CI, Jenkins, or GitHub Actions

• Integrate with ServiceNow, Git, and network vendor APIs

• Use JavaScript and HTML for UI full-stack work related to catalog creation

Requirements

• 10+ years of experience supporting enterprise network environments across LAN, WAN, WLAN, security, and data center technologies

• Deep expertise in Fortinet devices: FortiGate Firewall, FortiManager, FortiAnalyzer, and Fortinet SD-WAN

• Experience in network engineering/NOC/NRE/NetDevOps roles

• Strong routing and switching fundamentals (e.g., BGP, OSPF, EIGRP, STP, VLANs, VRFs, HSRP/VRRP)

• Hands-on experience in one or more domains such as Enterprise LAN/WAN, SD-WAN, data center (NexACI), WLAN, firewalls, or load balancers

• Automation & NetDevOps experience using Python, Ansible, Terraform, Git, and CI/CD; ability to implement IaC

• CI/CD pipeline experience with GitLab CI, Jenkins, or GitHub Actions

• Observability experience with at least one monitoring stack (e.g., SolarWinds, Cisco DNAC, ThousandEyes, Prometheus/Grafana, Splunk/ELK)

• Strong troubleshooting skills with TCP/IP and network services (DNS, DHCP, VPNs, QoS)

Benefits

• Work closely with network architects, operations, SRE, and application teams to embed reliability by design

• Build reusable modules, playbooks, and pipelines for provisioning, upgrades, backups, and compliance

• Create and maintain runbooks/playbooks documentation and mentor engineers on NetDevOps and reliability best practices