Role Description As a Principal Site Reliability Engineer, you will set technical and operational direction for reliability across Substrate workloads. You operate at broad scope, influencing architecture, reliability strategy, and engineering practices across teams and organizations. - Lead complex, multi-year initiatives. - Shape how reliability is designed into systems. - Act as a role model for technical excellence, leadership, and Microsoft values—particularly for services operating in regulated, sovereign, or compliance-sensitive environments. Responsibilities - Define and drive reliability strategy, SLO frameworks, and operational best practices across Substrate workloads in highly regulated environments. - Serve as an actively engaged senior on-call engineer (OCE), participating in on-call rotations and leading incident response for Substrate services in regulated environments. - Provide hands-on leadership during the most complex or high-impact incidents, setting technical direction and response strategy. - Drive high-quality post-incident reviews that result in durable, systemic engineering improvements across teams. - Architect and deliver large-scale automation, observability, and self-healing solutions. - Drive architectural decisions and define software engineering standards that make reliability, security, and compliance intrinsic to Substrate services. - Influence service design and engineering decisions across organizational boundaries. - Mentor senior and principal engineers and shape the long-term technical direction of the SRE discipline. - Represent Substrate SRE perspectives with senior leadership and cross-functional partners. Qualifications - 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. Requirements - Security Clearance Requirements: Candidates must be able to meet Microsoft, customer and/or government security screening requirements required for this role. - This role requires access to Microsoft Government cloud environments, including GCC Moderate (GCCM), GCC High (GCCH), and Department of Defense (DoD) environments. - Ability to obtain and maintain a favorably adjudicated Tier 3 (T3) background investigation for access to GCCH and DoD environments. - Ability to meet Criminal Justice Information Services (CJIS) eligibility requirements for access to GCCM environments. - For manager-level roles, a Tier 5 (T5) background investigation is preferred. - Candidates may be considered without currently holding these background investigations, provided they are eligible for and able to successfully obtain them. - Candidates may begin work while required background investigations are in progress; however, failure to obtain or maintain the appropriate clearance and/or customer screening requirements may result in employment action up to and including termination. - This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter. Preferred Qualifications - 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. Benefits - The typical base pay range for this role across the U.S. is USD $142,800.00 - $274,800.00 per year. - There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000.00 - $304,200.00 per year. - Certain roles may be eligible for benefits and other compensation.