Get to Know Klaviyo
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 and Security Engineering functions from our new strategic hub in Dublin.
About the Team
The SRE & Security Engineering team is the bedrock of trust for the 169,000+ 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 and Security Engineering 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 security and 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.
* Build a Modern Security Program: Lead the evolution of our security program, including application security, vulnerability management, incident response, and infrastructure hardening. Ensure our platform is defended against modern threats and meets the highest security standards.
* 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 both security and 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 both modern reliability principles and the evolving cybersecurity threat landscape.
* 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 high ambiguity and rapid change, embodying a "1% done" mindset and seeing opportunity in every challenge.
What You'll Need
* 10+ years of experience in software engineering, with at least 5+ years in a leadership role managing SRE, DevOps, or Security Engineering teams.
* Proven experience building and scaling engineering teams, ideally with experience establishing a new team or office.
* Deep, hands-on experience with cloud-native production systems at scale (AWS preferred).
* Strong technical background in distributed systems, observability, container orchestration (Kubernetes), infrastructure as code (Terraform), and CI/CD principles.
* Demonstrable experience leading a modern security engineering function, including application security, vulnerability management, and incident response.
* Deep, practical experience implementing technical controls for GDPR compliance and familiarity with other security frameworks (e.g., SOC 2, ISO
* Experience managing geographically distributed teams and fostering a strong, unified culture across multiple time zones.
* You've already experimented with AI in work or personal projects, and you're excited to dive in and learn fast. You're hungry to responsibly explore new AI tools and workflows, finding ways to make your work smarter and more efficient.
We use Covey as part of our hiring and / or promotional process. For jobs or candidates in NYC, certain features may qualify it as an AEDT. As part of the evaluation process we provide Covey with job requirements and candidate submitted applications. We began using Covey Scout for Inbound on April 3, 2025.
Please see the independent bias audit report covering our use of Covey here