Principal Software Engineer, Networking

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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
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