Senior Software Development Engineer

Lambda · Bellevue, Washington · $284K - $378K · hybrid Lambda, The Superintelligence Cloud, is a leader in AI cloud infrastructure serving tens of thousands of customers. You will design, build, and operate the software that automates Lambda's network lifecycle, from data center build-out and device provisioning through day-2 operations. Responsibilities: Design, build, and operate the software that automates Lambda's network lifecycle Build provisioning and zero-touch deployment systems that take network devices for new GPU clusters from racked to production-ready with minimal manual work Develop pipelines that generate, validate, and deploy network configuration as code, with automated testing, staged rollouts, and safe rollback Build capacity planning tools that combine inventory, topology, and utilization data to forecast port, bandwidth, optics, and IP address needs as Lambda's footprint grows Keep intended and live network state in sync by integrating automation with Lambda's source-of-truth, inventory, and IPAM systems Create APIs, services, and CLIs that network engineers and other internal teams use to request, change, and audit network resources Instrument the systems you own with metrics, logging, and alerting, and use that data to improve their reliability and speed Partner with Network Engineering, Data Center Operations, and platform teams to turn manual runbooks into reliable, self-service automation Participate in the on-call rotation for the automation systems and tooling your team owns Requirements: Have 6+ years of professional software engineering experience building and operating production systems Write production-quality code, with deep expertise in multiple languages Have built automation or infrastructure tooling used by other engineers Have a solid grasp of distributed systems design, including API design, data modeling, idempotency, and handling partial failures Follow strong engineering practices: code review, automated testing, CI/CD, and git-based workflows Are comfortable on the Linux command line and understand core networking concepts Have led technical projects end to end, from design doc through production rollout, and mentored other engineers along the way Communicate clearly with software engineers, network engineers, and operations teams Nice to Have: Experience in the networking domain Experience automating network devices from vendors such as Arista, Juniper, Cisco, or NVIDIA Familiarity with network automation tools and libraries Experience building on network source-of-truth, DCIM, or IPAM systems Experience building capacity planning or forecasting tools Familiarity with HPC/AI networking Experience running services on Kubernetes Understanding of data center power, space, and cooling constraints Benefits: 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