Principal Site Reliability Engineer - CTJ - Secret

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. 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 These requirements include, but are not limited to, the following specialized security screenings: As a result, the successful candidate must be able to obtain and maintain the appropriate background investigations and customer screenings required for access to these environments. For access to GCCH and DoD environments, this role requires the ability to obtain and maintain a favorably adjudicated Tier 3 (T3) background investigation. For access to GCCM environments, this role requires the ability to meet Criminal Justice Information Services (CJIS) eligibility requirements. 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.