Network Engineer
Lambda · San Jose, CA
- On site
- Full-time
- $370,000 / year
- San Jose, CA
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Network Engineer
Lambda · San Jose, CA
Taylor Morgan
Hiring Manager · h•••••@jobs.ashbyhq.com
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Subject: Interested in the Network Engineer role at Lambda
Hi Taylor — I came across the Network Engineer opening and wanted to reach out directly. I've spent the last few years doing exactly this kind of work, and Lambda stood out because…
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Not recommended alone — most applicants never hear back.
Job highlights
- Build and scale high-performance AI cloud networks.
- Deploy and configure networking hardware for clusters.
- Ensure network availability via monitoring and redundancy.
- Automate network configuration management and operations.
- Resolve network issues for internal and external customers.
About the role
Network Engineer
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
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.
Key skills/competency
- Network Engineering
- Data Center Networking
- Network Automation
- BGP
- EVPN/VXLAN
- Network Monitoring
- Linux
- Python
- Ansible
- Arista
Skills & topics
- Network Engineer
- Data Center Networking
- Cloud Networking
- Network Automation
- BGP
- EVPN VXLAN
- Network Monitoring
- Linux Networking
- Python
- Ansible
- Arista
- Juniper
- Cisco
- Fortigate
- AWS
- GCP
- OCI
- HPC Networking
- InfiniBand
- RoCEv2
How to get hired
- Tailor your resume: Highlight your 10+ years in IT and 6+ years in data center networking, emphasizing large-scale project leadership and expertise in BGP, EVPN/VXLAN, and automation with Python/Ansible.
- Showcase automation skills: Detail your experience with network APIs, Git, and various network gear vendors like Arista and Juniper. Mention specific monitoring tools you've used.
- Emphasize data center expertise: Clearly outline your experience designing and operating production data center networks, including Next-Generation Firewalls and cloud provider networking.
- Prepare for technical questions: Be ready to discuss your in-depth knowledge of CLOS/Spine and Leaf fabrics, BGP, and fast convergence techniques, as well as your comfort with the Linux command line and networking stack.
- Research Lambda's mission: Understand their role in AI cloud infrastructure and how your network engineering skills contribute to making compute as ubiquitous as electricity.
Technical preparation
Master BGP, EVPN/VXLAN, and fast convergence.,Automate configurations with Python and Ansible.,Deeply understand Linux networking internals.,Practice deploying and monitoring network hardware.
Behavioral questions
Describe a complex network issue you resolved.,How do you ensure network high availability?,How do you collaborate with customers on issues?,How have you automated network tasks?
Prefer to apply the usual way?
Not recommended alone — most applicants never hear back. Email the hiring manager first.
Frequently asked questions
- What is the work arrangement for the Network Engineer position at Lambda?
- The Network Engineer position at Lambda requires a hybrid work arrangement. Employees are expected to be in the San Francisco, San Jose, or Bellevue office 4 days per week, with Tuesdays designated as the work-from-home day.
- What specific networking technologies are essential for this Network Engineer role at Lambda?
- Key technologies for this role include expertise in CLOS/Spine and Leaf fabrics, EVPN/VXLAN, ECMP, BGP, and fast convergence techniques. Experience with Next-Generation Firewalls, cloud provider networking (AWS, GCP, OCI), and automation tools like Python and Ansible are also crucial.
- How much experience is required for the Network Engineer job at Lambda?
- Lambda requires a minimum of 10 years of experience in the IT and networking space, with at least 6 years focused on designing and operating production data center networks. Experience leading large-scale networking projects is also a key requirement.
- What are the benefits of working as a Network Engineer at Lambda?
- Lambda offers generous cash and equity compensation, comprehensive health, dental, and vision coverage, wellness and commuter stipends, a 401k plan with a company match, and flexible paid time off. You'll also be part of a fast-growing company at the forefront of AI cloud infrastructure.
- Can I apply for the Network Engineer role at Lambda if I don't meet all the listed qualifications?
- Yes, Lambda encourages applications even if you don't meet every single listed expectation. They are committed to building a diverse team with a variety of backgrounds, experiences, and skills.
- What is Lambda's mission, and how does this role contribute to it?
- Lambda's mission is to make compute as ubiquitous as electricity and empower everyone with superintelligence. As a Network Engineer, you will play a vital role in building and scaling the high-performance cloud network that underpins this mission, serving AI researchers and enterprises.
- What networking hardware vendors does Lambda work with for this Network Engineer position?
- Lambda has production experience with multiple network gear vendors, including Arista, Juniper, Cisco, Cumulus/SONiC, and Opengear. Familiarity with these is a strong asset for the Network Engineer role.
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