Senior Site Reliability Engineer - SDN

About the role

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. If you're passionate about building the world's best AI cloud, join us.

Responsibilities

• 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

Requirements

• 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 (e.g., infrastructure powering AWS VPC-like networking services)
• 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

Qualifications

Note: This position requires presence in our San Francisco/San Jose/Bellevue office location 4 days per week; Lambda’s designated work from home day is currently Tuesday.

Skills

Our team thrives on innovation and collaboration. We value creativity, curiosity, and a passion for solving complex problems. We believe that diversity fuels innovation and inclusion is key to our success. We are committed to creating a workplace where everyone feels valued and empowered to bring their full selves to work.

Benefits

We offer a competitive compensation package, including a salary range of $240K - $312K, health, dental, and vision coverage for you and your dependents, wellness and commuter stipends for select roles, a 401(k) Plan with a 2% company match (USA employees), and flexible paid time off. Lambda is also proud to be 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.

Pay

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.