Senior Cloud Security Engineer, Infrastructure & Kubernetes

Chainalysis; Florida; On-site; USD 147,000 - 227,000; Full time

Job summary

Chainalysis is a leading blockchain data platform seeking a Senior Security Engineer, Infrastructure to secure and operate the cloud and Kubernetes environments powering its Hosted AI Platform.

You will collaborate with Infrastructure Security, Platform Engineering, and AI Core to implement guardrails, automate operational work, and ship Terraform and Kubernetes changes that strengthen security and reliability.

Qualifications

• Production cloud infrastructure experience, preferably AWS, plus knowledge of security controls such as IAM, networking, secrets, encryption, or logging.
• Hands-on production Kubernetes experience: inspect workloads, read logs, troubleshoot failures.
• Experience authoring Terraform changes that have been reviewed and deployed to production; comfortable shipping changes via Git.

Responsibilities

• Troubleshoot Kubernetes workloads and cloud services, investigate pod health, logs, latency, and upstream issues to find root causes.
• Ship reviewed Terraform and Kubernetes changes that strengthen HAIP and cloud infrastructure security and reliability.
• Improve AWS and edge/network controls—IAM, networking, secrets, encryption, logging, and Cloudflare—and reduce misconfigurations through reusable patterns and runbooks.
• Use Python or similar scripting to automate operational work and drive fixes to completion.
• Participate in AI Product on-call rotation, triage production alerts, communicate clearly, and escalate when needed.

Skills

Cloud infrastructure

Kubernetes

Terraform

Python scripting

Incident response

AWS security

IAM and networking

Tools

Wiz

Cloudflare

Burp

GitHub Actions

Job description

Chainalysis is a leading blockchain data platform seeking a Senior Security Engineer, Infrastructure to secure and operate the cloud and Kubernetes environments powering its Hosted AI Platform.

You will collaborate with Infrastructure Security, Platform Engineering, and AI Core to implement guardrails, automate operational work, and ship Terraform and Kubernetes changes that strengthen security and reliability.