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Microsoft Corporation Logo Microsoft Corporation · IT - Software Development

Principal Site Reliability Engineer

United States, Multiple Locations Employment contract 142800.00 - 274800.00 USD / Year · Job Posted May 30, 2026
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Job Description

Substrate powers Microsoft 365. Keeping it up, resilient, and continuously improving is core to our mission. The Incident Response SRE team ensures service resilience by preventing outages, accelerating incident resolution, and driving systemic improvements across Substate and MSAI. The team plays a critical role in enabling effective and efficient management of service health for these global scale services. As a Principal Site Reliability Engineer in the Foundation Incident Response team, you will leverage your passion for live site and combine your software engineering with systems engineering knowledge to prevent outages, respond rapidly when they occur, drive learnings, and engineer solutions that eliminate repeat failures. You’ll partner across Substrate and MSAI to raise the reliability bar through data‑driven practices, automation, and blameless retrospectives that translate into durable fixes. Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Job Responsibility

  • Incident management excellence: Lead high-severity incident response, debug complex issues, drive incidents to resolution with clear communication and ownership. Ensure high-quality postmortems reports are created and enforce repair-item SLAs
  • Improve observability: Enhance telemetry, alerting, and dashboards using One Microsoft tooling to provide actionable insights and reduce detection time
  • Define and measure reliability: Partner with engineering teams to establish and track SLIs/SLOs for critical scenarios
  • Live site health reviews: Lead and facilitate live site health review meetings, translating business requirements into metrics and action
  • Engineering for prevention: Translate learnings into proactive tests, product fixes, rollout guardrails, and automation that reduce risk and improve service health
  • Reliability drills: Design and execute drills to simulate product failures, validate resilience and recovery, and develop resilience strategies
  • Define Policy: Draft process and policy documentation for how the organization prepares for, responds to, and prevents incidents

Requirements

Doctorate Degree in Computer Science, Information Technology, or related field AND 2+ years technical experience in software engineering, network engineering, or systems administration. OR Master's Degree in Computer Science, Information Technology, or related field AND 3+ years technical experience in software engineering, network engineering, or systems administration. OR Bachelor's Degree in Computer Science, Information Technology, or related field AND 5+ years technical experience in software engineering, network engineering, or systems administration. OR equivalent experience.

Nice to have

  • Doctorate Degree in Computer Science, Information Technology, or related field AND 5+ years technical experience in software engineering, network engineering, or systems administration. OR Master's Degree in Computer Science, Information Technology, or related field AND 8+ years technical experience in software engineering, network engineering, or systems administration. OR Bachelor's Degree in Computer Science, Information Technology, or related field AND 12+ years technical experience in software engineering, network engineering, or systems administration. OR equivalent experience
  • 7+ years technical experience working with large-scale cloud or distributed systems
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