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Senior Network Engineer

Lambda
San Jose, CA Full Time
POSTED ON 12/9/2025 CLOSED ON 12/28/2025

What are the responsibilities and job description for the Senior Network Engineer position at Lambda?

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/Bellevue office location 4 days per week; Lambda’s designated work from home day is currently Tuesday.

What You’ll Do

  • Help to build Lambda’s cloud networking infrastructure
  • Contribute to automation of network configuration
  • Will be part of operations and on-call for networking
  • Work with internal and external customer to resolve network related issues
  • Work on deploying and configuring networking HW, Switches, FWs, for new clusters
  • Help with deploying and maintaining network monitoring and management tools

You

  • Have 3 years of experience in IT space, and 1 in managing networks
  • Have experience with virtualization technology, like ESXi, KVM, and VMs management
  • Have experience with FW policies configurations
  • Have experience with multi-data center networks and hybrid cloud networks
  • Have understanding of BGP EVPN VXLAN networks, Spine and Leaf (Clos) network topology
  • Are comfortable on the Linux command line, and have an understanding of the Linux networking stack and internals
  • Have python and/or bash programming experience and worked with git or similar source control systems

Nice to Have

  • Experience with Monitoring/Observability tools like Datadog, Splunk, Grafana, Prometheus
  • Have experience building and maintaining Software Defined Networks (SDN)
  • Experience with HPC networking, such as Infiniband or RoCE
  • Experience automating network configuration within public clouds, with tools like Terraform/Ansible/Salt
  • Experience with Next-Generation Firewalls (NGFW)

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

A Final Note:

You do not need to match all of the listed expectations to apply for this position. We are committed to building a team with a variety of backgrounds, experiences, and skills.

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.

Compensation Range: $203K - $417K

Salary : $203,000 - $417,000

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