Klaviyo
Senior Software Engineer - Infrastructure Security
$148K–$222K
Boston, MA +1 · Senior · Full-time · Posted Jun 22, 2026
- Location
- Boston, MA
Boston, Massachusetts, United States - Experience
- 6+ years.
- Visa sponsorship
- Klaviyo supports work authorization and relocation for this position.
About the job
Build and operate cloud-native infrastructure security systems that help engineers ship secure software reliably at scale.
What you'll do
- Design, build, and maintain cloud-native security services, owning components from implementation through production operation.
- Improve availability, scalability, latency, efficiency, reliability, and security of distributed systems.
- Support operational excellence through monitoring, incident response, on-call, automation, and developer tooling.
What they ask for
- 6+ years of experience building and operating cloud-native distributed systems in production.
- Production-quality coding in Python or Go, plus hands-on experience with AWS or a similar cloud provider.
- Experience with containers and orchestration platforms such as Kubernetes, and infrastructure as code such as Terraform.
- Understanding of scalable multi-tenant architectures and secure system design; willingness to participate in on-call.
Nice to have
- Experience building security tooling or infrastructure systems such as Vault, AWS IAM, or WAFs.
- Experience with service meshes, API gateways, zero-trust architectures, or distributed-systems performance debugging.
Pay
$148,000 — $222,000 USD (base salary)
Tools
Python, Golang, AWS, Kubernetes, Terraform, MySQL, Redis, Apache Kafka
AI focus
Prior experimentation with AI is expected; the role involves responsibly exploring AI tools and workflows to improve work efficiency.
Model-written summary · the original posting is authoritative