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Principal Cloud Network Engineer

Microsoft

$139,900 - $304,200
Sep 5, 2025
Redmond, WA, USA
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Azure Cloud & AI infrastructure is positioned at the forefront of the next industrial revolution. The Azure Fiber & AI team is a key part of Azure, dedicated to designing, building, and operating the Global Optical Network—the backbone of connectivity for seamless interaction with Azure and services such as Teams, Xbox, Office, Bing, and OpenAI’s ChatGPT worldwide. With an emphasis on multiple revolutionary optical technologies, such as Silicon Photonics (SiPho), Co-Packaged Optics (CPO), Open Line Systems (OLS), Hollow Core Fiber (HCF) technologies, Azure Fiber & AI is preparing for exponential growth fueled by ongoing Cloud & AI success and emerging unprecedented demands.

Requirements

  • 3+ years of experience designing, testing and improving optical network systems and components and delivering them into production networks.
  • Doctorate Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 5+ years technical experience in network design, development, and automation
  • Master's Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 8+ years technical experience in network design, development, and automation
  • Bachelor's Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 12+ years technical experience in network design, development, and automation OR equivalent experience.
  • 1+ year(s) experience developing quality management programs.

Responsibilities

  • Performs testing and validation of network devices, firmware, and configurations; defines and implements test cases with automation tools and exposes test coverage gaps.
  • Optical Systems Testing and Validation: Conduct rigorous testing and validation of optical grey and WDM transceivers, transponders and line systems.
  • Utilize automation tools to establish test cases, and identify gaps in test coverage, ensuring the transceivers' high-performance compatibility with AI applications.
  • 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.
  • Operational Efficiency: Integrate state-of-the-art AI based software tooling into our operations and change management frameworks to ensure we always have the highest quality dark fiber assets possible.
  • 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.
  • Project and Feature Leadership: Utilize your in-depth expertise in coherent and direct-detection optical technologies to steer project and release plans in coordination with project managers and stakeholders.

Other

  • 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.
  • Doctorate Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 3+ years technical experience in network design, development, and automation
  • Master's Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 4+ years technical experience in network design, development, and automation
  • Bachelor's Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 6+ years technical experience in network design, development, and automation