Director, Site Reliability Engineering & Security Dublin, IEAt Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo 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.Get to Know KlaviyoAt 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.About the TeamThe 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.How You'll Make a DifferenceArchitect and Lead: Define the vision, strategy, and roadmap for a unified SRE and Security Engineering organization.Champion Secure Reliability: Drive a 'secure and reliable by design' philosophy across all of engineering.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.Drive Automation: Build the 'paved road' for Klaviyo engineers by developing automated, self-service tooling and infrastructure.Ensure Global Compliance: Serve as the on-the-ground technical leader for GDPR and other international data protection regulations.Lead Through Incidents: Command both security and reliability incidents, guiding teams to rapid resolution while fostering a culture of blameless post-mortems.Who You AreYou 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 are a cross-functional influencer and an exceptional communicator, capable of articulating complex technical concepts to diverse audiences.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 Need10+ 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 27001).Experience managing geographically distributed teams and fostering a strong, unified culture across multiple time zones.Klaviyo is committed to a policy of equal opportunity and non-discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex, gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.