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October 11, 2026
Principal Software Engineering Manager
Senior
188,000 - 304,200 USD/yr
Redmond, WA
Quick Facts
Role: Principal Software Engineering Manager
Focus: Architecture and development of an agent runtime platform for long-running, extensible AI agents in Microsoft 365 Copilot experiences
Description
Lead the architecture and evolution of core runtime infrastructure that enables intelligent agent workloads, including agentic memory and conversation storage. Drive AI-native engineering with responsible AI practices across the SDLC, and improve quality and reliability through code reviews, debugging, telemetry, and incident retrospectives. Manage cross-team delivery, deployments, live-site health, observability, and people growth while ensuring security, compliance, and maintainability.
Responsibilities
Architect and evolve core runtime infrastructure for agentic memory, conversation storage, and the agent runtime platform components for M365 Copilot Chat
Drive responsible use of AI across the SDLC and improve productivity using AI tools
Raise engineering quality and reliability via code reviews, debugging, incident retrospectives, telemetry, and continuous improvement
Own complex system design, evaluate technology choices, manage dependencies, and meet scalability, reliability, performance, cost, and compliance requirements
Lead delivery and live-site health, including safe deployments and incident response, while coaching and growing the team
Integrate telemetry to monitor system behavior and improve designs based on analysis
Guide experimentation, deployment, live-site maintenance, and incident response for safe and efficient operations
Ensure security/regulatory compliance, mentor teams, advocate best practices, and troubleshoot using least-access principles
Requirements
Bachelor’s Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in C, C++, C#, Java, JavaScript, or Python (or equivalent experience)
Ability to meet Microsoft, customer and/or government security screening requirements
Required: pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter
Preferred: 4+ years people management experience
Benefits
Base pay range (U.S.): USD $142,800–$274,800 per year (different ranges apply for San Francisco Bay area and New York City metro)
Eligibility for benefits and other compensation depending on role
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