Senior Site Reliability Engineer

Summary

Join Customer.io as a Site Reliability Engineer to build and scale infrastructure supporting billions of messages daily and real-time events. Automate deployments, alerting, and incident response; improve on-call processes; tune MySQL and other datastores; collaborate across teams; share knowledge through videos and mentorship; and leverage AI tools. The ideal candidate possesses 7+ years of SRE or infrastructure experience, deep MySQL expertise, cloud-native tech fluency (GCP preferred), proficiency in Go and Bash, and skills in observability and debugging distributed systems. A preference for action over perfection and ownership of technical decisions is crucial. Customer.io offers competitive compensation, comprehensive benefits including 100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums, 16 weeks of paid parental leave, unlimited PTO, and more.

Requirements

• 7+ years in SRE or infrastructure roles, improving production systems at scale
• Deep MySQL experience - schema design, performance tuning, and operational tooling
• Fluency in cloud-native tech (GCP a plus) and Terraform
• Proficiency in Go and Bash for scripting and systems programming
• Skill in observability, incident response, and debugging distributed systems
• A preference for action over perfection, and pride in owning technical decisions

Responsibilities

• Build and scale infrastructure to support billions of messages per day and real-time events
• Automate deployments, alerting, and incident response
• Make our on-call better - clear alerts, solid documentation, and faster resolution
• Tune MySQL and other datastore performance and improve reliability across distributed systems
• Collaborate across teams to debug, ship, and support systems in production
• Share knowledge and raise the bar through sharing your progress publicly with short videos, thoughtful writing, and mentorship
• Leverage AI tools to prototype, move faster, and make better decisions

Benefits

• 100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums for you and your family
• 16 weeks paid parental leave
• Unlimited PTO
• Stipends for remote work and wellness
• A professional development budget