Senior Security Engineer, Infrastructure

The role

You will secure and operate cloud and Kubernetes environments supporting Chainalysis products and the Hosted AI Platform. You will troubleshoot workloads, ship Terraform and Kubernetes changes, and improve AWS and network controls.

What you will do

• Troubleshoot Kubernetes workloads and cloud services.
• Ship reviewed Terraform and Kubernetes changes.
• Improve AWS and edge/network controls including IAM, networking, secrets, encryption, logging, and Cloudflare.
• Reduce recurring misconfigurations through reusable patterns and runbooks.
• Automate operational work using Python or similar scripting.
• Participate in the AI Product on-call rotation.
• Triage production alerts and escalate when needed.

Required qualifications

• Production cloud infrastructure experience, preferably in AWS.
• Working knowledge of security controls such as IAM, networking, secrets, encryption, or logging.
• Hands-on production Kubernetes experience.
• Experience inspecting workloads, reading logs, and troubleshooting failures using command-line tools.
• Experience authoring Terraform changes that have been reviewed and deployed to production.
• Comfort shipping changes through Git and pull requests.
• Production on-call or incident-response experience.
• Python or similar scripting ability.
• Familiarity with monitoring/logging tools.
• Experience working with stakeholders across the R&D organization.

Nice to have

• Experience operating AI/ML infrastructure, LLM platforms, or services integrating with model providers.
• Familiarity with AI gateway concepts such as model routing or quotas.
• Experience with Cloudflare or other edge/network security controls.
• Exposure to cloud security posture management tools such as Wiz, Prisma Cloud, or Orca.
• Experience with GitOps tools such as Argo CD or Flux.
• Familiarity with blockchain, crypto, fintech, or regtech infrastructure.

About the company

Chainalysis is a blockchain data platform that provides data, services, and solutions to help organizations navigate blockchains safely. The company provides complete knowledge of what is happening on blockchains to help investigate financial crime and manage risk.