Senior Software Engineer, Infrastructure Security

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each member of our team—affectionately known as Klaviyos—brings to our innovative workplace. We believe in providing equal opportunities for success and value the unique journeys each individual contributes beyond the conventional job criteria. If you find yourself closely a…

At Klaviyo, we celebrate the diverse backgrounds and unique perspectives that each of our team members, whom we affectionately call Klaviyos, brings to our dynamic workplace. We are committed to providing everyone with an equitable opportunity for success and value the wealth of experiences each candidate possesses beyond conventional qualifications. If you feel you are a close match, we encourage you to apply and explore the possibilities with us. To learn more about life at Klaviyo, visit our careers page at klaviyo.com/careers, where we empower creators to shape their own destinies. As a Senior Site Reliability Engineer at Klaviyo in Dublin, you'll play a pivotal role in ensuring our critical systems are reliable, scalable, and sustainable, facilitating rapid product development. We view reliability as a fundamental aspect of our offerings, employing software engineering to tackle complex systems and operational challenges. Your work will encompass security, infrastructure, and software development, requiring a comprehensive understanding of systems engineering. You will be responsible for constructing complex, foundational solutions that maintain exceptional reliability, security, and performance on a global scale. Our mission is to develop and manage foundational services and infrastructure, establish clear reliability objectives, minimize operational toil through automation, and continuously enhance systems based on real-world production insights. Your contributions will be highly visible and will directly influence how Klaviyos develop software and how our customers interact with Klaviyo on a daily basis.

About Us:At Notion, we empower individuals and teams to create beautiful tools that streamline their work. In a world overwhelmed by apps and tabs, we offer a unified platform that seamlessly integrates documents, notes, projects, calendars, and emails—enhanced with AI to provide insights and automate tasks. With millions of users, including major organizations like Toyota, Figma, and OpenAI, Notion is revered for its adaptability, helping users save both time and resources.Collaboration is at the heart of our culture at Notion. We require our team members to be present at our office on Mondays, Tuesdays, and Thursdays—our designated Anchor Days. Some roles may necessitate additional in-office days.About The Role:As Notion's user base continues to grow, so does our commitment to providing a secure and dependable experience. We are looking for a skilled Security Engineer who possesses excellent communication and analytical abilities to enhance and optimize our security monitoring program. We seek a professional with a blend of technical expertise, meticulous attention to detail, and the ability to navigate various aspects of cybersecurity. A self-starter who can proactively monitor emerging threats and vulnerabilities to Notion is essential in this role.If you have a passion for data privacy and security, a solid understanding of security monitoring processes, and enjoy devising innovative strategies for effective large-scale security monitoring, this position may be the perfect opportunity for you.At Notion, our application is not just flexible and powerful; it is continuously evolving to meet the demands of a diverse range of businesses worldwide. Our clients depend on us to safeguard their data and that of their customers.The Security team at Notion is dedicated to advancing our detection, response, and security automation capabilities to protect our users and their data. We engage in proactive monitoring, detection, and investigation of threats across our cloud-native environment, ensuring a robust security posture. Collaboration with Engineering, Infrastructure, and Security leadership is key to enhancing our capacity to respond to emerging threats effectively.

Winthrop Technologies stands as Europe's premier dedicated data centre delivery partner, providing comprehensive turnkey solutions that span the entire lifecycle from design to construction and commissioning. Based in Dublin, we undertake projects across Europe, establishing ourselves as the most trusted name in the data centre sector.We are excited to announce an opening for a CSA Construction Manager for a significant data centre project located in Dublin 15. This pivotal leadership role is essential for overseeing the delivery of Civil, Structural, and Architectural (CSA) work packages on a fast-paced and technically demanding project.The ideal candidate will possess extensive experience in construction leadership, showcasing a proven ability to develop and guide teams to achieve the highest standards in safety, quality, and client satisfaction.