Microsoft
Principal Software Engineer - HW/SW in Fleet Infrastructure
$143K–$304K
Redmond, WA +2 · On-site · Principal · Full-time · Posted Oct 26, 2026
- Location
- Redmond, WA
Mountain View, CA
New York, NY - Experience
- 6+ years required; preferred: 8+ years with a master's degree, or 12+ years with a bachelor's degree; equivalent experience accepted.
- Education
- Bachelor's degree in Computer Science or related technical field, or equivalent experience.
About the job
Provides technical leadership for hardware and firmware platforms and reliability across Microsoft 365 fleet infrastructure, including new product introduction and infrastructure strategy for AI and agentic workloads.
What you'll do
- Lead architecture and strategy for fleet hardware and firmware, including new product introduction, platform readiness, and lifecycle management.
- Design reliability telemetry, diagnostics, failure detection, and remediation; investigate live-site incidents and drive lasting improvements.
- Coordinate technical direction across engineering, vendors, and operations teams; establish engineering standards and mentor early-career engineers.
What they ask for
- Bachelor's degree in Computer Science or a related technical field and 6+ years of technical engineering experience coding, or equivalent experience.
- Ability to meet required security screenings, including the Microsoft Cloud Background Check upon hire or transfer and every two years thereafter.
Nice to have
- Master's degree and 8+ years of technical engineering experience, or bachelor's degree and 12+ years, or equivalent experience.
- Experience with hardware or firmware platforms, hyperscale fleet reliability, new product introduction, or cross-organizational technical programs.
Pay
USD $142,800 - $274,800 per year (base salary); USD $188,000 - $304,200 per year (base salary)
Tools
C, C++, C#, Java, JavaScript, Python, OS, firmware
AI focus
Evolve Microsoft 365 substrate infrastructure strategy for AI and agentic workloads across compute, memory, storage, and networking.
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