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Senior Software Engineer - Virtualization and Kernel

Microsoft

Microsoft

Software Engineering
United States
USD 119,800-234,700 / year
Posted on Feb 4, 2026
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Overview
The Virtualization Core Platform team is responsible for building the foundational operating system components of Microsoft’s virtualization stack. This technology powers millions of virtual machines (VMs) across Microsoft services such as Azure and Windows, and Copilot, enabling secure and efficient cloud-scale operations. As a Senior Software Engineer, you will work on low-level components of the virtualization platform, including the hypervisor, kernel, and device assignment. You will collaborate with silicon partners to enable new hardware features and improve performance, reliability, and security.
The role involves designing and coding solutions for core virtualization technologies, including support for containers and multiple platforms such as Linux, while contributing to innovations in CPU, memory, and device virtualization. You will drive cross-organizational initiatives to enable new scenarios end-to-end, and help define the next generation of virtualization architecture.
This position offers opportunities to work on distributed systems and virtualization technologies that transform datacenters and cloud infrastructure. You will help deliver solutions that power AI workloads, implement security enhancements, improve power efficiency, and contribute to open-source initiatives, impacting customers and services worldwide.
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
  • Design and implement new virtualization related features for Azure, Windows, and Hyper-V.
  • Lead initiatives that help define the next generation of virtualization.
  • Collaborate with a dynamic team of engineers.
  • Learn and share ideas continuously.
  • Drive for quality in everything you do and continuously improve the quality of the systems on which you work.
  • Provide technical input across the Azure and Windows teams.
  • Embody our culture and values.


Qualifications

Required Qualifications

  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.

Other Requirements

  • 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
  • Master'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++, or Rust
    • OR Bachelor'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++, or Rust
    • OR equivalent experience.
  • 4+ year experience with hypervisors, low-level CPU and memory virtualization, schedulers, devices/accelerators, device assignment, protocols such as NVMe, accelerated networking, or GPUs.

#azurecorejobs



Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $158,400 - $258,000 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.

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