Site Reliability Engineering Manager

Over 8,000 companies—from scrappy startups to global brands—use our platform to send billions of emails, push notifications, in-app messages, and SMS every day. Customer.io powers automated communication that people actually want to receive. We help teams send smarter, more relevant messages using real-time behavioral data. Under the hood: Go, React, Ember, and AI help us ship fast and scale with confidence. We’re looking for a pragmatic, strategic Engineering Manager to lead our Site Reliability Engineering (SRE) team. This team is on the front lines of making sure our platform is reliable, developer-friendly, and ready for the next stage of growth. In this role, you’ll balance today’s needs—strengthening developer support, smoothing sharp edges in our platform, and ensuring production readiness—with tomorrow’s opportunities—defining and leading the path toward a more scalable, resilient, and forward-looking system architecture.

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