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Cognition

Network Engineer

San FranciscofulltimemidAdded today

About this role

Cognition AI is seeking a Network Engineer to design, deploy, and operate reliable, secure global networks across offices and cloud infrastructure. This onsite role combines hands-on network architecture with automation, observability, and security to support hypergrowth infrastructure.

What you'll do

  • Design and operate high-performance wired and wireless networks with RF optimization, VLANs, routing protocols, and redundant connectivity
  • Own end-to-end network delivery for office expansions, moves, and global scaling including procurement, circuit turn-up, and vendor coordination
  • Build repeatable reference architectures, standards, runbooks, and deployment playbooks for growing infrastructure footprint
  • Develop monitoring and observability for availability, performance, and capacity; use telemetry to identify degradation proactively
  • Automate network operations using Python, Go, or TypeScript with infrastructure-as-code, APIs, and CI/CD practices
  • Implement secure, identity-aware access controls, segmentation, and partner with Security on firewalls and incident response

What they're looking for

  • Enterprise and campus network design and operations
  • Wireless RF engineering and optimization
  • Switching, routing, and VPC technologies (VLAN, LACP, OSPF, BGP, VRF, QoS)
  • Network monitoring and observability tools and telemetry
  • Python, Go, or TypeScript scripting and automation
  • TCP/IP, DNS, DHCP, VPN, and zero-trust remote access
  • Infrastructure-as-code and API-driven network configuration
  • OSI model troubleshooting and packet analysis
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Cognition

Cognition builds AI software engineers and developer tools, including Devin (an AI software engineer) and Windsurf (an AI-native IDE) that help developers automate tasks and write code more efficiently. The company is hiring Deployed Engineers to work directly with customers on adoption and integration, SREs to manage production reliability and infrastructure, federal engineers for government deployments, and IT specialists to support internal operations.

View all jobs at Cognition

Likely interview questions

  • Describe your experience designing and deploying networks in a hypergrowth startup—what specific scaling challenges did you solve?
  • Walk us through a complex network troubleshooting scenario where you had to isolate a root cause across multiple OSI layers.
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