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Senior Software Engineer - Virtualization and Kernel

United States, Multiple Locations 119800.00 - 234700.00 USD / Year · Job Posted February 13, 2026
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Job Description

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 products such as Azure, 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.

Job Responsibility

  • Design and implement new virtualization related features for Azure, Windows and Hyper-V.
  • Collaborate with a dynamic team of engineers, including mentoring engineers in the workgroup.
  • Drive for quality in everything you do and continuously improve the quality of the systems on which you work.
  • Collaborate across team boundaries to define and drive team charter and vision.
  • Provide technical input across the Windows Core and Azure teams.
  • Embody our culture and values.

Requirements

  • 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.
  • 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.

Nice to have

  • 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++, C#, Java, JavaScript, or Python
  • 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++, C#, Java, JavaScript, or Python
  • OR equivalent experience.

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