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SquareSquare

Senior Site Reliability Engineer

Senior SRE improves platform reliability using AI-driven automation, leads incident response and oncall for critical services, and implements safe deployment practices. Requires 5+ years experience in backend/platform engineering, observability, and high-availability systems.

About the job

Responsibilities

  • Build and extend platforms to improve system reliability
  • Work on team goals that encompass reliability for the entire company
  • Standardize reliability tools across multiple platforms and organizations
  • Triage, coordinate, and lead stabilization of sev 0–1 incidents
  • Serve as primary oncall, maintaining structured escalation paths and exercising leadership escalation
  • Drive platform-wide reliability improvements, shared operational tooling, and deploy-safety patterns
  • Use AI-driven systems to improve signal detection, reduce noise, and accelerate root cause analysis
  • Design and implement safe deployment patterns (progressive delivery, automated rollback, guardrails)

Requirements

  • Drive to root cause systems with many moving parts and take the necessary steps to fix them
  • Demonstrated technical initiative and leadership on previous projects, especially those with a backend/platform focus
  • Familiarity with AI-driven tooling for observability, incident analysis, or automation
  • A mindset that naturally reaches for AI to accelerate problem-solving and reduce toil
  • Experience running production oncall for high-availability systems
  • Strong incident management skills — structured triage, mitigation under pressure, blameless postmortems
  • Fluency with CI/CD pipelines, progressive rollout strategies, and rollback automation
  • Monitoring & observability expertise — building/tuning alerts for uptime, error rates, latency regression, and resource exhaustion
  • Ability to create and maintain evidence-based maturity assessments using trailing 90-day data windows
  • Comfort with vendor/dependency management — maintaining validated escalation contacts reachable within ≤ 5 minutes
  • Boundless curiosity, autonomy, and a strong sense of accountability
  • A strong desire to perform and grow as an engineer
  • 5+ years of software development experience

Technologies

  • Kotlin, Modern Java (11+)
  • HTTP, JSON, gRPC, and Protocol Buffers
  • MySQL / Vitess / DynamoDB
  • Event driven architectures
  • DataDog
  • LaunchDarkly
  • Terraform, Kubernetes, Istio/Envoy
  • Amazon Web Services

Compensation & Benefits

  • Healthcare coverage (Medical, Vision and Dental insurance)
  • Health Savings Account and Flexible Spending Account
  • Retirement Plans including company match
  • Employee Stock Purchase Program
  • Wellness programs, including access to mental health, 1:1 financial planners, and a monthly wellness allowance
  • Paid parental and caregiving leave
  • Paid time off (including 12 paid holidays)
  • Paid sick leave
  • Learning and Development resources
  • Paid Life insurance, AD&D, and disability benefits
  • Equity plan eligibility
  • Possible sign-on bonus

Pay varies by location zone:

  • Zone A: USD $189,000 - $283,600
  • Zone B: USD $179,600 - $269,400
  • Zone C: USD $170,100 - $255,100
  • Zone D: USD $160,700 - $241,100

Skills

Kubernetes, Terraform, AWS, Datadog, Istio, Launchdarkly, Kotlin, Java, gRPC, MySQL, Vitess, DynamoDB, CI/CD, Observability, AI Tools

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