[Remote] Senior Site Reliability Engineer

Note: The job is a remote job and is open to candidates in USA. Block builds simple, powerful tools that make progress towards an economy that’s truly open to all. As a member of the SRE team, you will improve the reliability of Block's platform and critical infrastructure while leveraging AI-driven tooling and automation to enhance observability and incident response.ResponsibilitiesBuild and extend platforms to improve system reliabilityWork on team goals that encompass reliability for the entire companyStandardize reliability tools across multiple platforms and organizationsTriage, coordinate, and lead stabilization of sev 0–1 incidentsServe as primary oncall, maintaining structured escalation paths and exercising leadership escalationDrive platform-wide reliability improvements, shared operational tooling, and deploy-safety patternsUse AI-driven systems to improve signal detection, reduce noise, and accelerate root cause analysisDesign and implement safe deployment patterns (progressive delivery, automated rollback, guardrails)SkillsDrive to root cause systems with many moving parts and take the necessary steps to fix themDemonstrated technical initiative and leadership on previous projects, especially those with a backend/platform focusFamiliarity with AI-driven tooling for observability, incident analysis, or automationA mindset that naturally reaches for AI to accelerate problem-solving and reduce toilExperience running production oncall for high-availability systemsStrong incident management skills — structured triage, mitigation under pressure, blameless postmortemsFluency with CI/CD pipelines, progressive rollout strategies, and rollback automationMonitoring & observability expertise — building/tuning alerts for uptime, error rates, latency regression, and resource exhaustionAbility to create and maintain evidence-based maturity assessments using trailing 90-day data windowsComfort with vendor/dependency management — maintaining validated escalation contacts reachable within ≤ 5 minutesBoundless curiosity, autonomy, and a strong sense of accountabilityA strong desire to perform and grow as an engineer5+ years of software development experienceBenefitsHealthcare coverage (Medical, Vision and Dental insurance)Health Savings Account and Flexible Spending AccountRetirement Plans including company matchEmployee Stock Purchase ProgramWellness programs, including access to mental health, 1:1 financial planners, and a monthly wellness allowancePaid parental and caregiving leavePaid time off (including 12 paid holidays)Paid sick leave (1 hour per 26 hours worked (max 80 hours per calendar year to the extent legally permissible) for non-exempt employees and covered by our Flexible Time Off policy for exempt employees)Learning and Development resourcesPaid Life insurance, AD&D, and disability benefitsThis role is also eligible to participate in Block's equity plan subject to the terms of the applicable plans and policiesMay be eligible for a sign-on bonusSales roles may be eligible to participate in a commission plan subject to the terms of the applicable plans and policiesCompany OverviewBlock is a technology company with a focus on financial services. It was founded in 2009, and is headquartered in San Francisco, California, USA, with a workforce of 10001+ employees. Its website is https://block.xyz.Company H1B SponsorshipBlock has a track record of offering H1B sponsorships, with 22 in 2026, 257 in 2025, 253 in 2024, 260 in 2023, 297 in 2022. Please note that this does not guarantee sponsorship for this specific role.