✦ Luna Orbit — Networking & Telecom

Network Engineer, Capacity and Efficiency

at Anthropic

📍 San Francisco, CA | New York City, NY Hybrid Posted April 07, 2026
Type Full-Time
Experience mid
Exp. Years 5+ years
Education Bachelor’s degree or equivalent
Category Networking & Telecom

Network engineer responsible for observability, efficiency, and cost attribution of Anthropic’s backbone and data center networks; will design telemetry pipelines, QoS, traffic engineering, and cost models.

  • Build the network observability stack
  • Design and deploy telemetry pipelines
  • Own SLIs for backbone health
  • Hunt for efficiency and cost attribution
  • Design QoS and traffic engineering

Hands-on role building network telemetry, cost attribution models, and automation tooling; strong emphasis on CSP networking models and cross-region data movement.

The ideal candidate is a senior network engineer with 5+ years operating large-scale production networks, strong fluency in BGP/ECMP/VXLAN/EVPN, QoS, and cloud networking with AWS or GCP; proficient in Python/Go and telemetry tooling, and able to articulate financial impact of network decisions.

5+ years operating large-scale production networks — data center fabrics (spine-leafClos)backbone/WANor hyperscaler-adjacent environmentsFluency across BGP (including policy and communities)ECMPVXLAN/EVPN or equivalent overlaysQoS (DSCPqueuingshaping)and L1/optical basics (DWDMcoherentLAGs)Know at least one major CSP’s networking model deeply — AWS (VPCTGWDirect ConnectGateway Load Balancer) or GCP (Shared VPCInterconnectCloud RouterNetwork Connectivity Center)Built or operated network telemetry at scale: streaming telemetry (gNMI/OpenConfig)flow export (sFlowIPFIXNetFlow)or eBPF-based host-side instrumentation
SRE experience for large-scale network infrastructureExperience with AI/ML infrastructure traffic patterns (collective communicationcheckpoint transfersinference serving)Background in traffic engineering for large backbones and cost modeling/attributionExperience building cost/chargeback systems for shared infrastructure
PythonGoGrafanaTerraform
BGPECMPVXLAN/EVPNQoSDSCPL1/opticalDWDMsFlowIPFIXNetFlowgNMIOpenConfigeBPFPythonGoTerraformGrafanaAWSAmazon Web ServicesGoogle Cloud PlatformVPCTGWDirect ConnectGateway Load Balancer
BGPECMPVXLAN/EVPNQoS (DSCPqueuingshaping)L1/optical (DWDMcoherent)sFlowIPFIXNetFlowgNMIOpenConfigeBPFPythonGoTerraformGrafanacost attributionAWSAmazon Web ServicesGoogle Cloud PlatformVPCTGWDirect ConnectGateway Load Balancer
Strong communicationCrisp explanation to finance partnerAnalyticalCollaborationProblem-solvingDecision making
Industry AI & Machine Learning
Job Function Own network observability, efficiency, and cost attribution for Anthropic’s backbone and data-center networks
Role Subtype Network Engineer
Tech Domains Amazon Web Services, Google Cloud Platform, Cisco Networking, Linux, Windows Server, Networking / TCP-IP
network engineercapacity and efficiencytelemetryobservabilitygNMIOpenConfigeBPFpythongografanaterraformawsamazon web servicesgoogle cloud platformvxlan/evpnbgpecmpqosdscpipfixsflownetflow

5+ years experience in large-scale networks, Strong in BGP/ECMP/VXLAN/EVPN and QoS, Experience with cloud networking models (AWS or GCP)

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