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Principal Software Engineer

Microsoft

Microsoft

Software Engineering
United States
USD 139,900-274,800 / year
Posted on Dec 29, 2025
Overview
Imagine being at the forefront of transformative cloud technology. The Azure Kubernetes Service (AKS) team is pioneering the management of Kubernetes clusters at hyperscale—building efficient, safe, and scalable tools to manage millions of servers that power AKS.
As a Principal Software Engineer on the AKS Platform Infrastructure team, you’ll dive deep into automated infrastructure management and server orchestration at a scale few companies ever reach. You’ll be responsible for building and maintaining the compute infrastructure that powers AKS, enabling it to be the most performant and reliable managed Kubernetes service in the world.
This is a unique opportunity to deeper your career experience, develop deep hyperscale cloud infrastructure expertise, and shape the future of Kubernetes at Microsoft.
Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.


Responsibilities
  • Create and maintain tools that manage hundreds of thousands of virtual machines powering Azure Kubernetes Service.
  • Expand AKS’s global footprint by automating buildouts in new regions and sovereign clouds.
  • Coordinate region-agnostic buildout architecture, design, and execution across multiple AKS and Azure teams.
  • Automate the build and release stack to enable engineers to manage dozens of microservices safely, efficiently, and in compliance with standards.
  • Build tools, automation, and safety mechanisms to prevent infrastructure problems from becoming production incidents.
  • Act as a Designated Responsible Individual (DRI), participating in on-call rotations to monitor system health and restore services during incidents.
  • Balance pragmatism with vision and creativity; deliver continuous improvements to the team’s process and codebase.
  • Collaborate across teams to deliver scalable, resilient, and secure infrastructure solutions.
  • Embody our culture and values.


Qualifications
Required Qualifications:
  • Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • OR equivalent experience.
  • 6+ years technical engineering experience operating Kubernetes clusters
  • OR similar distributed systems (e.g. Mesos, Nomad etc.) built on top of Linux
  • OR other distributed systems such as databases.
  • 6+ years of Linux system administration and the ability to diagnose and troubleshoot problems with core components of the operating system such as the kernel system, or the network stack.

    Other Qualifications:
    • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings:
    • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.
    Preferred Qualifications:
    • Bachelor's Degree in Computer Science
    • OR related technical field AND 10+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, OR Python
    • OR Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.
    • Curious, open-minded, analytical approach to solving problems and a desire to collaborate with other engineers on the team to deliver solutions to challenging problems.

      #azurecorejobs


Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $139,900 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay


This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.




Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.