Senior Site Reliability Engineer - SDN

The role

This person will operate and scale Lambda's multi-tenant cloud networking platform and SDN infrastructure. They will also improve Kubernetes-based control plane services and develop automation to reduce operational toil.

What you will do

• Operate and scale Lambda's multi-tenant cloud networking platform and SDN infrastructure
• Operate and improve Kubernetes-based control plane services and dataplane software running on SmartNICs
• Develop tooling and automation to reduce operational toil and improve reliability
• Collaborate with software, platform, and networking teams to improve service reliability and deployment workflows
• Deploy and maintain network monitoring, observability, and management tools
• Improve deployment safety through CI/CD pipelines, GitOps workflows, testing, and progressive rollouts
• Drive operational excellence through observability, incident management, capacity planning, postmortems, and participation in the on-call rotation

Required qualifications

• 5+ years of experience in Site Reliability Engineering, Production Engineering, or a similar role
• Experience operating and supporting large-scale distributed systems in production
• Experience with Kubernetes application lifecycle management, upgrades, troubleshooting, and production operations
• Experience participating in on-call rotations and incident response
• Strong troubleshooting skills across Linux systems, Kubernetes, distributed systems, and networking
• Experience with observability platforms, monitoring, alerting, and metrics
• Comfortable working on the Linux command line and have a solid understanding of the Linux networking stack
• Experience with multi-datacenter and hybrid cloud environments
• Experience automating infrastructure and operational workflows using Python, Ansible, or similar tools
• Experience designing and operating CI/CD and GitOps deployment workflows

Nice to have

• Experience building and operating Software Defined Networks (SDN), including OpenStack Neutron, OVN, and OVS
• Experience operating production-scale SDNs in a cloud environment
• Software development experience in Go and/or Python (C is a plus)
• Experience automating infrastructure and network configuration using Kubernetes, Helm, Terraform, and Ansible
• Deep understanding of the Linux networking stack and its interaction with network virtualization technologies, SR-IOV, and DPDK
• Understanding of the SDN ecosystem and modern cloud networking architectures
• Experience diagnosing complex production issues across infrastructure, networking, and application layers

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

About the company

Lambda is a leader in AI cloud infrastructure serving tens of thousands of customers. Founded in 2012, the company has 500+ employees and is growing fast.