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Senior Network Architect – Data Center & Network Infrastructure

Infosat IT Services LLCSanta Clara, CA🇺🇸United StatesPosted 31 Jul 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

We are seeking a Senior Network Architect to lead the design, architecture, and evolution of large-scale data center, backbone, and cloud networking infrastructure. This role is focused on building highly scalable, resilient, and automated network platforms supporting mission-critical production environments.

The ideal candidate has extensive experience designing and operating large-scale data center networks, routing and switching infrastructure, EVPN/VXLAN fabrics, and backbone networks within hyperscale cloud providers, large enterprises, ISPs, or SaaS environments.

Please note - Prior AI or GPU networking experience is not required.


Key Responsibilities

  • Design and architect large-scale data center and backbone network infrastructure.
  • Lead the design and deployment of modern spine-leaf architectures using EVPN/VXLAN.
  • Design highly available routing and switching infrastructure supporting mission-critical production environments.
  • Drive network scalability, resiliency, automation, and operational excellence across global infrastructure.
  • Develop network automation using Python, Ansible, Terraform/OpenTofu, and CI/CD pipelines.
  • Define network architecture standards, operational processes, observability, and reliability best practices.
  • Collaborate with cloud, platform, systems, and security engineering teams.
  • Lead troubleshooting, root cause analysis, and performance optimization for large-scale production networks.
  • Mentor engineers and provide technical leadership across infrastructure initiatives.

Required Qualifications

  • 15+ years of experience in:
    • Network Architecture
    • Network Engineering
    • Network Reliability Engineering
    • Production Engineering
    • Site Reliability Engineering

Strong expertise with:

  • Routing & Switching
  • BGP
  • OSPF
  • IS-IS
  • MPLS
  • EVPN/VXLAN
  • Spine-Leaf Data Center Networks
  • WAN & Backbone Networking
  • Capacity Planning
  • Network Performance Engineering

Strong experience with:

  • Cisco
  • Juniper
  • Arista
  • Multi-vendor network environments

Hands-on experience with:

  • Linux
  • Python
  • Bash
  • Network automation
  • Infrastructure as Code
  • Ansible
  • Terraform/OpenTofu
  • Git and CI/CD

Experience designing and operating highly available production networks at scale.


Preferred Qualifications

  • Experience in hyperscale cloud, SaaS, ISP, CDN, or enterprise environments.
  • Experience operating globally distributed data center networks.
  • Experience with observability platforms such as Kentik, ThousandEyes, Grafana, Splunk, Nagios, or similar.
  • Experience with AWS, Azure, Google Cloud Platform, or hybrid cloud networking.
  • Experience leading architecture reviews and cross-functional infrastructure programs.

Nice to Have

  • Exposure to AI infrastructure or GPU networking.
  • Knowledge of RoCE, RDMA, or HPC networking.
  • Participation in networking communities such as NANOG or RIPE.

Skills

AWS
Nagios
Splunk
Ansible
Azure
Bash
CDN
Git
Google Cloud
Grafana
Python
Terraform

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