Cloud-Native Infrastructure Security Engineer

Klaviyo; Dublin; Hybrid; EUR 76,000 - 114,000; Full time

Job summary

Klaviyo, based in Dublin, Ireland, seeks a Software Engineer for the Infrastructure Security team to design and operate cloud-native security services at scale. You will own components end-to-end, improving reliability and performance while collaborating with senior engineers across the organization.

The role emphasizes building secure, scalable systems with Python/Go, AWS, Kubernetes, and modern data stores, in a hybrid Dublin-based work model with strong emphasis on security and observability.

Qualifications

• 3+ years of experience building and operating cloud-native distributed systems in production.
• Production-grade coding in Python or Go.
• Hands-on AWS experience with managed services, networking and IAM.
• Experience with containers and orchestration platforms (Kubernetes).
• Ability to own services end-to-end and collaborate across teams.

Responsibilities

• Design, build, and operate cloud-native security services used across Klaviyo.
• Own meaningful components end-to-end from implementation through production operation.
• Improve availability, scalability, latency, and efficiency of infrastructure security systems.
• Collaborate with senior engineers on system design and architecture, contributing ideas and solutions.
• Identify performance, reliability, and security issues in distributed systems and drive improvements.
• Build tooling, automation, and documentation that improve developer experience and security posture.
• Partner with product-facing and platform engineers to ship secure solutions.

Skills

Cloud-native

Distributed systems

Python

Go

AWS

Kubernetes

Containers

On-call

Observability

Security mindset

Tools

Terraform

Kubernetes

RabbitMQ

MySQL

Redis

Celery

Kafka

Job description

Klaviyo, based in Dublin, Ireland, seeks a Software Engineer for the Infrastructure Security team to design and operate cloud-native security services at scale. You will own components end-to-end, improving reliability and performance while collaborating with senior engineers across the organization.

The role emphasizes building secure, scalable systems with Python/Go, AWS, Kubernetes, and modern data stores, in a hybrid Dublin-based work model with strong emphasis on security and observability.