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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 passionate, high-energy engineers to help achieve Microsoft's "Intelligent Cloud" mission by delivering the core infrastructure and foundational technologies for Microsoft's online businesses and the Microsoft Azure platform. The Azure Data Processing Unit (DPU) team aims to create a highly programmable and high-performance chip to efficiently handle large data volumes and empower Azure to solve next-generation problems with increased agility and performance.

Requirements

  • 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.
  • design of cutting-edge networking solutions and hone your design and performance optimization skills.
  • defining and delivering operational measures of success for quality, delivery, scale and sustainability related to Microsoft cloud software.
  • 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).
  • 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

  • Collaborate with stakeholders to understand business needs and translate them into technical requirements and solutions.
  • Work across team and organizational boundaries to drive clarity and alignment.
  • Leverages subject-matter expertise of product features and partners with appropriate stakeholders (e.g., project managers) to drive a workgroup's project plans, release plans, and work items.
  • Coaching and mentorship of fellow team members.
  • Effective communication skills and a passion for delivering scalable solutions through a diverse team of engineers.
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.
  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.