Senior Software Engineer – SDN

Lambda

. Design and build software to scale Lambda’s high-performance multi-tenant cloud network .

Posted 10/7/2026full-timeUnited StatesSenior💰 $296,000 - $395,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing Software Defined Networking (SDN) systems, with a strong focus on automation, reliability, and performance in multi-tenant cloud environments. Proficient in leveraging Linux networking stack and various tools for network configuration and monitoring.

Highest-signal resume keywords

Software Defined Networking (SDN)Linux Networking StackC, Go, or Python ProgrammingKubernetes AutomationCI/CD Pipelines

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software Defined Networking (SDN)Linux Networking StackC ProgrammingGo ProgrammingPython ProgrammingKubernetesTerraformAnsibleOpenStack NeutronBGP EVPN VXLAN

Soft Skills

Incident ResponseCollaboration

Tools & Technologies

GitGitOpsHELMOVNVMware NSXCisco ACINexus Fabric ControllerArista CVPSpine and Leaf TopologyNext-Generation Firewalls (NGFW)

Industry Keywords

Multi-Tenant Cloud NetworkNetwork VirtualizationHybrid Cloud NetworkingData Center NetworkingSD-WANDWDM

Tech Stack

Tools & technologies

AnsibleAWSCloudFirewallsKubernetesLinuxOpenStackPythonTerraformVMwareGo

About the role

Key responsibilities & impact

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 and contribute to incident response tooling and automation
Build systems, services, and automation for Lambda’s software-defined network across data centers and cloud environments
Work deeply within the Linux networking stack and create programmable, reliable, and scalable network tools and services

Requirements

What you’ll need

5+ years of professional software engineering experience, ideally in systems, infrastructure, or networking-focused domains
Demonstrated experience designing and implementing production-scale Software Defined Networking (SDN) systems, ideally with AWS VPC–like functionality
Hands-on experience building and maintaining SDN platforms using OpenStack Neutron, OVN, or similar network virtualization frameworks
Deep understanding of the Linux networking stack, including namespaces, routing, iptables/nftables, network virtualization, SR-IOV, and DPDK
Proficiency with the Linux command line and strong understanding of networking concepts from a software engineering viewpoint
Experience with multi-data center and hybrid cloud networking environments
5+ years of software development experience in C, Go, or Python
Experience with CI/CD pipelines, automated testing, deployment systems, Git, and GitOps-driven environments
Prior involvement in on-call rotations, incident response, and reliability tooling
Experience deploying, operating, and automating applications on Kubernetes
Experience automating network configuration using Kubernetes, HELM, Terraform, and Ansible
Understanding of SDN technologies and ecosystems including OVS, Neutron, VMware NSX, Cisco ACI or Nexus Fabric Controller, and Arista CVP
Experience with Spine and Leaf (Clos) network topology
Experience with BGP EVPN VXLAN networks
Experience building and maintaining multi-data center networks, SD-WAN, and DWDM
Experience integrating and automating policy and configuration for Next-Generation Firewalls (NGFW)
Must be legally authorized to work in the United States

Benefits

Comp & perks

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