Senior Network Engineer: Multi-Site & Cloud Infra

Hadrian Automation; Los Angeles (CA); On-site; USD 154,000 - 185,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401k

Relocation support

Flexible vacation

Equity

Job summary

Hadrian is seeking a Network Administrator to deploy, configure, and operate network infrastructure across our growing facilities and cloud environments. This role is hands-on, focusing on bringing up sites, implementing changes, and ensuring reliable connectivity across on‑prem and cloud systems.

You will work with IT, security, and ops to deploy networks, automate through IaC, and maintain a highly reliable production environment in a fast-paced, high-growth setting.

Qualifications

• 5+ years of experience in network administration, network operations, or infrastructure engineering.
• Strong understanding of TCP/IP networking, routing, switching, wireless, VLANs, DNS, and DHCP.
• Experience with VPN technologies (GlobalProtect, IPsec site-to-site tunnels, remote access VPNs).
• Experience supporting multi-site enterprise networks.
• Experience with cloud networking environments (AWS or Azure).
• Familiarity with Infrastructure-as-Code tools (Git, Terraform, Ansible, Pulumi, CICD, etc.).
• Experience troubleshooting network performance and connectivity issues.
• Strong operational mindset and ability to work in fast-paced environments.

Responsibilities

• Deploy and configure network infrastructure for new facilities and site expansions.
• Implement and manage network changes, upgrades, and operational improvements.
• Configure and maintain routers, switches, firewalls, VPNs, and wireless infrastructure.
• Deploy and support VPN technologies including GlobalProtect and site-to-site VPN tunnels.
• Design and build a robust SD-WAN ecosystem.
• Support cloud networking environments such as AWS and Azure.
• Support networking for Kubernetes clusters and containerized workloads.
• Build and maintain Infrastructure-as-Code (IaC) automation for network provisioning and configuration.
• Rack, cable, and deploy network hardware across facilities and data centers.
• Troubleshoot connectivity, routing, DNS, and performance issues across LAN/WAN and cloud networks.
• Work with ISPs and telecommunications providers for circuit provisioning, troubleshooting, and redundancy.
• Coordinate with low-voltage vendors for cabling, fiber runs, and network infrastructure installation.
• Support connectivity for security cameras, door access systems, and facility infrastructure.
• Support corporate Wi-Fi networks and wireless access points.
• Maintain monitoring, documentation, and operational runbooks for network infrastructure.
• Participate in on-call rotations, incident response, and after-hours maintenance windows.

Skills

5+ years experience

TCP/IP networking

Routing and switching

Cloud networking

VPN technologies

Kubernetes networking

Infrastructure-as-Code

Tools

Git

Terraform

Ansible

Pulumi

Job description

Hadrian is seeking a Network Administrator to deploy, configure, and operate network infrastructure across our growing facilities and cloud environments. This role is hands-on, focusing on bringing up sites, implementing changes, and ensuring reliable connectivity across on‑prem and cloud systems.

You will work with IT, security, and ops to deploy networks, automate through IaC, and maintain a highly reliable production environment in a fast-paced, high-growth setting.