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Lambda is an AI cloud infrastructure company serving tens of thousands of customers from AI researchers to enterprises and hyperscalers. The company's mission is to make compute as ubiquitous as electricity and democratize access to superintelligence.
We are seeking an experienced Senior Software Engineer to design and build the next generation of Lambda's network platform. You will develop the systems, services, and automation that power our software-defined network across data centers and cloud environments, working deeply within the Linux networking stack, building SDN integrations, and creating tools that make our network programmable, reliable, and scalable.
Key responsibilities include:
- Design and build software to scale Lambda's high-performance multi-tenant cloud network
- Develop reproducible automation and tooling for network configuration and deployments
- Implement and operate Software Defined Networking services and related control-plane software
- Engineer highly available network services through observability, failover, and redundancy features
- Deliver predictable networking performance for clients via software-driven network engineering solutions
- Develop, integrate, and maintain network monitoring and management tools and services
- Participate in on-call rotations and contribute to incident response tooling and automation
Required qualifications:
- 5+ years of professional software engineering experience in systems, infrastructure, or networking domains
- Demonstrated experience designing and implementing production-scale SDN systems with AWS VPC-like functionality (routing, security groups, overlays, peering)
- Hands-on experience building and maintaining SDN platforms using OpenStack Neutron, OVN, or similar network virtualization frameworks
- Deep understanding of the Linux networking stack (namespaces, routing, iptables/nftables, network virtualization, SR-IOV, DPDK)
- Proficiency with Linux command line and strong networking concepts from a software engineering perspective
- Experience with multi-data center and hybrid cloud networking environments emphasizing automation and software-driven control planes
- 5+ years of software development in C, Go, or Python for building network services, tooling, and automation
- Experience with CI/CD pipelines, automated testing, deployment systems, Git, and GitOps-driven environments
- Prior involvement in on-call rotations, incident response, and building reliability tools
- Experience deploying, operating, and automating applications on Kubernetes
Nice-to-have skills include experience with Kubernetes, HELM, Terraform, Ansible, SDN ecosystem tools (OVS, Neutron, VMware NSX, Cisco ACI), Spine and Leaf topology automation, BGP EVPN VXLAN networks, multi-data center networks, SD-WAN, and NGFW automation.
Lambda offers generous cash and equity compensation, health/dental/vision coverage, wellness and commuter stipends, 401k matching, and flexible paid time off. The role requires presence in the San Francisco, San Jose, or Bellevue office 4 days per week, with Tuesday designated as the work-from-home day.
