Principal Software Engineer, Networking

Job Description:

• Design, implement, and operate core networking services that power Docker's Sandboxes platform across local laptops and public cloud environments
• Build scalable networking infrastructure for microVM orchestration, workload scheduling, and lifecycle management
• Develop high-performance networking data- and control-plane components for multi-tenant agentic workloads
• Ensure network reliability, observability, and performance across Docker's Sandbox infrastructure
• Collaborate with product, platform, and security teams to deliver customer-focused capabilities
• Participate in architectural discussions, code reviews, and design documents
• Contribute to automation and CI/CD improvements across the deployment pipeline
• Debug and resolve production issues across distributed systems in local and public-cloud environments
• Take part in on-call rotation for your team; respond to incidents and drive continuous improvement of system reliability and availability

Requirements:

• 10+ years of experience building and leading large-scale cloud or distributed systems, with a focus on networking foundations
• Track record of driving technical consensus and delivering high-quality infrastructure software at scale, on tight timelines
• Experience with microservices architecture, container networking, service mesh, policy enforcement, and container orchestration
• Experience with kernel and user-space networking technologies, including Linux networking, OVS/OVN, DPDK, and eBPF
• Experience designing and operating highly available, secure, and observable networking infrastructure
• Strong understanding of cloud infrastructure (AWS, Azure, GCP, OCI) and related scalability patterns
• Familiarity with CI/CD pipelines, monitoring, and infrastructure-as-code tooling
• Excellent problem-solving and debugging skills in distributed environments
• Strong communication skills and ability to collaborate across remote, cross-functional teams
• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Benefits:

• Freedom & flexibility; fit your work around your life
• Designated quarterly Whaleness Days plus end of year Whaleness break
• Home office setup; we want you comfortable while you work
• 16 weeks of paid Parental leave (after 6 months of employment)
• Technology stipend equivalent to $100 USD net/month
• PTO plan that encourages you to take time to do the things you enjoy
• Training stipend for conferences, courses and classes
• Equity; we are a growing start-up and want all employees to have a share in the success of the company
• Docker Swag
• Medical benefits, retirement and holidays vary by country
• Remote-first culture, with offices in Seattle and Paris