Senior Network Engineer

Stack

Responsibilities

• ▹Help build and scale Lambda's high-performance cloud network
• ▹Deploy and configure networking hardware for new and existing clusters
• ▹Ensure high availability through monitoring, failover, and redundancy
• ▹Contribute to automation of network configuration management and operation
• ▹Work with internal and external customers to resolve network related issues
• ▹Help deploy and maintain network monitoring and management tools
• ▹Participate in day2 operations and on-call rotation for Network Engineering

Requirements

• ▹10+ years of experience in IT and networking
• ▹6+ years designing and operating production data center networks
• ▹Have led the implementation of large production-scale networking projects
• ▹Experience managing Next-Generation Firewalls (e.g. Fortigate)
• ▹Experience with cloud providers networking (AWS, GCP, OCI)
• ▹Expert in CLOS/Spine and Leaf fabrics, EVPN/VXLAN, ECMP, BGP, and fast convergence techniques
• ▹Comfortable on the Linux command line, with understanding of the Linux networking stack and internals
• ▹Strong automation skills (Python, Ansible), network APIs, and git or similar source control
• ▹Production experience with multiple network gear vendors (Arista, Juniper, Cisco, Cumulus/SONiC, Opengear)
• ▹Experience with networking monitoring stack (Datadog, Clickhouse, Grafana, Prometheus, gNMI, OTel)

Nice to have

• ▹Knowledge or experience maintaining Software Defined Networks (SDN)
• ▹Experience automating network configuration within public clouds (Terraform/Ansible/Salt)
• ▹Hands-on with HPC/AI networking: RoCEv2 and/or InfiniBand, GPUDirect RDMA concepts
• ▹Experience with DWDM technologies and SD-WAN
• ▹Understanding of data center power/space/cooling trade-offs and their impact on topology
• ▹Experience with virtualization technology (ESXi, KVM, VM management)
• ▹Experience with load balancers like F5, NetScaler

Soft skills

What we offer

• ▹Competitive compensation including salary, equity, and comprehensive benefits
• ▹Health, dental, and vision coverage for you and your dependents
• ▹401k Plan with 2% company match
• ▹Flexible paid time off plan that we all actually use
• ▹Wellness and commuter stipends for select roles

About the company

Lambda, the Superintelligence Cloud, is a leader in AI cloud infrastructure serving tens of thousands of customers, from AI researchers to enterprises and hyperscalers. Founded in 2012 with 500+ employees and growing fast, backed by investors including NVIDIA, Andrej Karpathy, and ARK Invest.