# Senior Site Reliability Engineer

**Company:** [Square](https://hotfix.jobs/companies/square)
**Location:** New York, NY
**Role:** DevOps / SRE
**Salary:** $161k – $284k/yr
**Experience:** 5+ years
**Skills:** Kubernetes, Terraform, AWS, Datadog, Istio, Launchdarkly, Kotlin, Java, gRPC, MySQL, Vitess, DynamoDB, CI/CD, Observability, AI Tools
**Posted:** 2026-04-09

> 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.

## Job Description

## 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

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