Senior Staff Network Engineer

Fremont Stfull-timesenior

Network EngineerInfrastructure & Cloud

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Quick Summary

Key Responsibilities

RoCEv2 and/or InfiniBand (Congestion Control, VLs, partitions), GPUDirect RDMA concepts.

Technical Tools

Network EngineerInfrastructure & Cloud

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

Responsibilities

~2 min read

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Own the architecture of major areas of Lambda's network end to end — you make the design calls, you help build it, and you're connected to how they hold up in production
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Lead large networking projects that may span multiple teams, from design through build to turn-up, and drive them to completion
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Write the designs, RFCs and reviews other engineers build from, and hold the bar in design review for work across the team
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Be the deep technical escalation point for the hardest production problems — the packet path, the routing table, the vendor's firmware, the code
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Drive the automation of your domain, replacing manual operational work with software that holds up under scale
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Partner with hardware, platform and product teams to resolve technical questions that cross team boundaries
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Qualify and integrate new network hardware and software, and hold vendors to account on defects and roadmap
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Guide partner teams to automate and scale through robust software systems and services
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Guide partner teams build the right telemetry and automation to ensure our network health is observable and self healing
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Mentor senior and mid-level engineers, and raise the bar through design review, code review and hiring
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Contribute to the multi-year technical strategy for Lambda's network, and own the parts of it that fall in your area
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Work with internal and external customers to resolve network related issues
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Operate what you build. You'll take part in day 2 operations and the on-call rotation, because the fastest feedback loop between design and reality runs through the pager

Have owned the technical direction of a significant area of a production network — you can walk us through a design you made, why, what it cost, and what you'd change
Have led large production-scale networking projects across multiple teams, from design through delivery
Expert in large network designs to achieve maximum availability and performance
Deep expertise in data center, backbone and internet protocols and technology
Experience building and tuning networks for low latency, fast convergence and high availability
Have experience with cloud provider networking (such as AWS, GCP, OCI)
Are comfortable on the Linux command line, and have an understanding of the Linux networking stack and internals
Strong automation skills (Python, Ansible, Jinja), network APIs, and git or similar source control
Production experience with multiple network gear vendors (Arista, Juniper, Cisco, Cumulus/SONiC, Opengear)
Have raised the technical bar of engineers around you through mentorship and design review
Excellent communicator both written and verbal. You leverage high quality written artifacts to inform high quality decision making and get approval on problems and solution opportunities

Nice to Have

~1 min read

Have knowledge or experience maintaining Software Defined Networks (SDN)
Experience automating network configuration
Hands-on with HPC/AI networking: RoCEv2 and/or InfiniBand (Congestion Control, VLs, partitions), GPUDirect RDMA concepts.
Experience with DWDM technologies and SD-WAN

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.

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

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.