This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
Microsoft Substrate is the foundational cloud platform that powers many of Microsoft’s most critical services including Exchange Online and M365 Copilot. As a Senior Site Reliability Engineer, you will lead reliability improvements across multiple services or components, solving complex, cross-cutting operational problems. You will influence service architecture, define reliability strategies, mentor other SREs, and drive meaningful reductions in incidents, toil, and operational risk—particularly for services operating in regulated, sovereign, or compliance-sensitive environments.
Job Responsibility:
Lead and develop a team of Site Reliability Engineer ICs, providing clear expectations, regular coaching, and career guidance across senior and principal levels
Own the operational health and reliability posture of Substrate services running in regulated environments
Drive change and influence across the org as you establish and drive SLOs, SLIs, and operational metrics
Lead effective incident management and post-incident reviews
Serve as an actively engaged on-call engineer (OCE) and participate in an on-call rotation
Own reliability, resilience, and disaster recovery, including driving and coordinating DR and game day exercises
Drive engineering led operational excellence at scale
Partner with engineering and product teams to embed reliability, security, and compliance considerations early in service design
Influence technical and operational strategy beyond your immediate team
Represent your team’s work clearly to leadership and partners
Build strong cross-functional relationships with security, compliance, infrastructure, and operations teams
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
Ability to meet Microsoft, customer and/or government security screening requirements
Ability to obtain and maintain appropriate background investigations and customer screenings for access to GCC Moderate, GCC High, and Department of Defense environments
For access to GCCH and DoD environments, ability to obtain and maintain a favorably adjudicated Tier 3 (T3) background investigation
For access to GCCM environments, ability to meet Criminal Justice Information Services (CJIS) eligibility requirements
For manager-level roles, a Tier 5 (T5) background investigation is preferred
Pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter
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
3+ years people management experience
Experience operating or supporting services in regulated, sovereign, or compliance-sensitive environments