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Microsoft

# Principal Software Engineer - AI Infrastructure Engineering Systems

United States, California, Mountain View Senior individual contributor Software Engineering 

Listed on Microsoft’s official careers site. Posted September 29, 2026. Check that it is still open and apply there.
[Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556962258)

[OpenNash Jobs](https://jobs.opennash.com/) / [Microsoft](https://jobs.opennash.com/companies/microsoft/) / Principal Software Engineer - AI Infrastructure Engineering Systems

## Job description

Working closely with AI researchers, product engineers, and hardware teams, we provide reliable and consistent paths from development to production.
- Apply sound engineering principles to design reliable, scalable, and maintainable platform systems
- Collaborate across infrastructure, security, networking, and service teams to improve end-to-end reliability
- Establish and promote coding, testing, observability, and operational-readiness standards
- Develop automation, services, and tools using Go, Python, Terraform, and other relevant technologies
- Define requirements, scope solutions, estimate work, and deliver improvements that reduce operational risk and increase service resilience
- 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 * Master's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Python and Go.

OR Bachelor's Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Python and Go. OR equivalent experience.

## At a glance
- Posted by the employer: Sep 29, 2026
- First seen by OpenNash: Aug 21, 2026
- Last checked: Oct 18, 2026
- Listed for: 58 days
- Location: United States, California, Mountain View[Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556962258)

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Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

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