Microsoft
Principal Software Engineering Manager - GitHub (CoreAI)
$166K–$331K
Mountain View, CA · On-site · Principal · Full-time · Posted Sep 23, 2026
- Experience
- 8+ years of technical engineering experience; equivalent experience is an alternative to the stated degree and experience combination.
- Education
- Bachelor's Degree in Computer Science or related technical field, or equivalent experience.
About the job
Leads the team developing and operating GitHub Sandbox, secure isolated cloud environments for AI agent workloads, and sets its technical strategy and execution.
What you'll do
- Set the engineering roadmap and guide architectural decisions for a secure, reliable, scalable platform.
- Lead and develop the engineering team, while coordinating complex cross-team initiatives.
- Own operational excellence, including SLOs, incident response, capacity planning, telemetry, testing, and automation.
What they ask for
- Bachelor's degree in Computer Science or a related technical field and 8+ years of technical engineering experience coding in languages such as C, C++, C#, Java, JavaScript, or Python, or equivalent experience.
- Experience designing, building, or operating large-scale distributed systems and cloud platforms.
- Experience with multi-tenant compute platforms and security/workload isolation, including safe execution of untrusted code.
- Experience building platforms for AI and agentic workloads and leading complex cross-functional engineering initiatives. Also requires passing the Microsoft Cloud Background Check upon hire/transfer and every two years.
Pay
USD $165,600 - $296,400 per year (base salary); USD $220,800 - $331,200 per year (base salary)
Tools
C, C++, C#, Java, JavaScript, Python, containers, virtual machines
AI focus
Develops secure, isolated cloud execution environments for AI agents, including tool use, long-running workloads, and validation of generated code.
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