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Principal Software Engineer - Networking / RDMA

Microsoft

$119,800 - $234,700
Oct 24, 2025
Santa Clara, CA, US
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Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is looking for a Principal Software Engineer to design, develop, deploy, and support networking packet forwarding and control plane functions for Azure's Data Processing Unit (DPU) to enable high-performance data processing within Azure data centers, addressing the need for deploying new offerings and hardware infrastructure on time, in high volume, with high quality, and at the lowest cost.

Requirements

  • 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++
  • 2+ years of experience in developing networking software stack for RDMA forwarding or control plane functions
  • 4+ years of experience in software design and coding of Layer2/L3/L4 ethernet/IP networking data plane packet forwarding and control plane processing functions within a programmable NIC or network switches and routers or an architecture with hardware offload
  • Experience in developing networking software on DPUs or programmable NICs or other hardware offload architectures.
  • Experience in developing technologies for reliable data transfer across network with efficient fabric utilization and deterministic latency.
  • CI/CD Experience: Knowledge of Continuous Integration and Continuous Deployment (CI/CD) practices for streamlined software development and deployment processes.
  • Scripting for Developer Tools: Proficiency in scripting languages to build and enhance developer tools, automating repetitive tasks and improving workflow efficiency.

Responsibilities

  • design, develop, deploy and support networking packet forwarding and control plane functions that enable high performance data processing within various network endpoints in Azure data centers
  • participate in the design of cutting-edge networking solutions
  • Drives identification of dependencies and the development of design documents for a product, application, service, or platform.
  • Drives, creates, implements, optimizes, debugs, refactors, and reuses code to establish and improve performance and maintainability, effectiveness, and return on investment (ROI).
  • Conduct research, stay updated with the latest industry trends, and experiment with cutting-edge technologies to drive innovation.
  • Acts as a Designated Responsible Individual (DRI) and guides other engineers by developing and following the playbook, working on call to monitor system/product/service for degradation, downtime, or interruptions, alerting stakeholders about status and initiates actions to restore system/product/service for simple and complex problems when appropriate.
  • Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale.

Other

  • 3 days / week in-office
  • Travel 0-25%
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.
  • Coaching and mentorship of fellow team members.
  • Effective communication skills and a passion for delivering scalable solutions through a diverse team of engineers.