Director, Site Reliability Engineering & Security
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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 core data processing pipelines to cutting‑edge AI services.
How You’ll Make a Difference
* Architect and Lead: Define the vision, strategy, and roadmap for a unified SRE and Security Engineering organization. Build and mentor a world‑class, multi‑disciplinary team in Dublin, fostering a culture of operational excellence 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 software development lifecycle.
* Own Platform Integrity: Take ownership of 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: Develop automated, self‑service tooling and infrastructure that enables teams to move fast without shortcuts.
* Ensure Global Compliance: Serve as the on‑the‑ground technical leader for GDPR and other international data protection regulations, implementing and verifying technical controls that safeguard customer data.
* Lead Through Incidents: Command both security and reliability incidents, guiding teams to rapid resolution while fostering a culture of blameless post‑mortems that drive systemic improvements.
Who You Are
* Proven engineering leader with a track record of building and scaling high‑performing, geographically distributed teams in a fast‑paced SaaS environment.
* Intellectually curious and a continuous learner, with deep understanding of modern reliability principles and the evolving cybersecurity threat landscape.
* Drives action, proactively identifying risks and rallying teams to solve them.
* Cross‑functional influencer and exceptional communicator, capable of articulating complex technical concepts to engineers, executives, and enterprise customers.
* Player‑coach who can dive deep into technical details while developing and articulating a long‑term strategic vision.
* Passionate about building a strong, inclusive team culture and experienced integrating new teams across time zones and cultures.
* Thrives in an environment of high ambiguity and rapid change, embodying a "1% done" mindset.
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 establishing a new team or office.
* 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.
* 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 unified culture across multiple time zones.
* Explored AI in work or personal projects and eager to responsibly explore new AI tools and workflows.
Base Pay Range In Local Currency
€175,000—€175,000 EUR
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 (including pregnancy), 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.
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