Director, Site Reliability Engineering

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying. Want to learn more about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny. At Klaviyo, we empower creators to own their destiny. Our SaaS platform provides businesses of all sizes with powerful, easy-to-use marketing automation tools, making first-party data accessible and actionable like never before. We are a team of ambitious, bold peers who are insatiably curious and meticulous in our craft. As we scale globally, we are seeking a foundational leader to build and lead our Site Reliability functions from our new strategic hub in Dublin. About the Team The SRE team is the bedrock of trust for the 200,000+ businesses that rely on Klaviyo to power their growth. This team is responsible for the secure reliability, scalability, and performance of our entire platform: from our core data processing pipelines to our cutting-edge AI services. As a foundational leader in our new Dublin office, you will build this team from the ground up, establishing a center of excellence for platform integrity and playing a pivotal role in Klaviyo’s European expansion. You will be the ultimate custodian of the trust our customers place in us every day. How You'll Make a Difference Architect and Lead: Define the vision, strategy, and roadmap for a unified SRE organization. You will build and mentor a world-class, multi-disciplinary team of engineers in Dublin, fostering a culture of operational excellence, proactive problem-solving, and blameless learning. Champion Secure Reliability: Drive a "secure and reliable by design" philosophy across all of engineering. Partner with product and platform teams to embed reliability principles into the entire software development lifecycle, from initial design to production deployment. Own Platform Integrity: Take ownership of the availability, latency, performance, efficiency, change management, monitoring, emergency response, and capacity planning for Klaviyo’s global platform. Drive Automation: Build the "paved road" for Klaviyo engineers by developing automated, self-service tooling and infrastructure that enables teams to "move fast, no shortcuts". Ensure Global Compliance: Serve as the on-the-ground technical leader for GDPR and other international data protection regulations. You will be responsible for implementing and verifying the technical controls that safeguard customer data and ensure compliance. Lead Through Incidents: Command reliability incidents, guiding teams to rapid resolution while fostering a culture of blameless post-mortems that drive meaningful, systemic improvements. Who You Are You are a proven engineering leader with a track record of building and scaling high-performing, geographically distributed teams in a fast-paced SaaS environment. You are intellectually curious and a continuous learner, with a deep understanding of modern reliability principles. You are a "Driver" who is biased toward action. You don’t wait for problems to find you; you proactively identify risks and rally teams to solve them. You are a cross-functional influencer and an exceptional communicator, capable of articulating complex technical concepts to diverse audiences, from engineers to executives to enterprise customers. You are a player-coach who can dive deep into technical details with your team while also developing and articulating a long-term strategic vision. You are passionate about building a strong, inclusive team culture and have experience integrating new teams with existing ones across different time zones and cultures. You thrive in an environment of…