Lambda

Senior Network Engineer

San Francisco Office (Fremont St)
Salary
$250K - $370K
Level
Senior
Work type
Hybrid · San Francisco

Not stated in the posting: visa.

Open. First seen 6 November 2026.

About the role

Lambda's standard text

Lambda, The Superintelligence Cloud, is a leader in AI cloud infrastructure serving tens of thousands of customers. Our customers range from AI researchers to enterprises and hyperscalers. Lambda's mission is to make compute as ubiquitous as electricity and give everyone the power of superintelligence. One person, one GPU.

If you'd like to build the world's best AI cloud, join us.

*Note: This position requires presence in our San Francisco, San Jose, or Bellevue office location 4 days per week; Lambda’s designated work from home day is currently Tuesday.

What You’ll Do

  • Help to build and scale Lambda's high performance cloud network
  • Work on deploying and configuring networking Hardware for new and existing clusters
  • Ensure high availability of our network 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 with deploying and maintaining network monitoring and management tools
  • Will be part of day2 operations and on-call rotation for Network Engineering team

You

  • Have 10+ years of experience in IT and networking space
  • Have 6+ years of experience in designing and operating production Data Center type of networks
  • Have led the implementation of large production-scale networking projects
  • Experience managing Next-Generation Firewalls (e.g. Fortigate)
  • Have experience with cloud providers networking (such as AWS, GCP, OCI)
  • Expert in CLOS/Spine and Leaf fabrics,EVPN/VXLAN, ECMP, BGP, and fast convergence techniques.
  • Are comfortable on the Linux command line, and have an understanding of the Linux networking stack and internals
  • Strong automation skills (Python, Ansible) and network APIs and worked with git or similar source control systems
  • 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

  • Have knowledge or experience maintaining Software Defined Networks (SDN)
  • Experience automating network configuration within public clouds, with tools like Terraform/Ansible/Salt
  • Hands-on with HPC/AI networking: RoCEv2 and/or InfiniBand (Congestion Control, VLs, partitions), GPUDirect RDMA concepts.
  • Experience with DWDM technologies and SD-WAN
  • Understanding of data center power/space/cooling trade-offs and their impact on topology choices
  • Have experience with virtualization technology, like ESXi, KVM, and VMs management
  • Experience with LoadBalancers like F5, NetScaler

Salary Range Information

The annual salary range for this position has been set based on market data and other factors. However, a salary higher or lower than this range may be appropriate for a candidate whose qualifications differ meaningfully from those listed in the job description.

About Lambda

  • Founded in 2012, with 500+ employees, and growing fast
  • Our investors notably include TWG Global, US Innovative Technology Fund (USIT), Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, Gradient Ventures, Mercato Partners, SVB, 1517, and Crescent Cove
  • We have research papers accepted at top machine learning and graphics conferences, including NeurIPS, ICCV, SIGGRAPH, and TOG
  • Our values are publicly available: https://lambda.ai/careers
  • We offer generous cash & equity compensation
  • Health, dental, and vision coverage for you and your dependents
  • Wellness and commuter stipends for select roles
  • 401k Plan with 2% company match (USA employees)
  • Flexible paid time off plan that we all actually use

Equal Opportunity Employer

Lambda is an Equal Opportunity employer. Applicants are considered without regard to race, color, religion, creed, national origin, age, sex, gender, marital status, sexual orientation and identity, genetic information, veteran status, citizenship, or any other factors prohibited by local, state, or federal law.

What this role asks for

In most of Lambda's ads

Machine Learning

Named in most of its open postings, whatever the role.

89% of this description is written for the role. The rest is Lambda's standard text, folded away below.

Compared with Lambda's other open jobs.

The team: Fleet Engineering

This role is one of 8 open in Fleet Engineering.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Linux (8 of 8), Machine Learning (8 of 8), Ansible (6 of 8), Embedded Systems (6 of 8), Python (6 of 8), ClickHouse (4 of 8), Golang (4 of 8)

OTHER ROLES ON THIS TEAM

From the team and dates on Lambda's own job board.

Other openings for this role

2 open postings for this role in San Francisco Office (Fremont St), first posted 2 October 2026. The company is likely hiring for more than one position. None has been taken down and posted again.

Salary context

41 other open postings titled Senior Network Engineer state a salary: median USD 130,000 to USD 184,900 a year.

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