Senior Security Engineer, Cloud & Kubernetes

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

Job summary

Chainalysis is seeking a Senior Security Engineer, Infrastructure to secure and operate cloud and Kubernetes environments that support our SaaS platform and Hosted AI Platform (HAIP). You’ll blend production operations with security engineering, responding to alerts, troubleshooting infrastructure, and delivering guardrails through Terraform and Kubernetes.

You’ll work with Infrastructure Security, Platform Engineering, AI Core, and other teams to address risks at the source and make secure,

Qualifications

• Production cloud infrastructure experience, preferably in AWS, plus working knowledge of security controls such as IAM, networking, secrets, encryption, or logging.
• Hands-on production Kubernetes experience: inspect workloads, read logs, and troubleshoot 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, including alert investigation, clear communication, and sound escalation judgment.
• Python or similar scripting ability, familiarity with monitoring/logging tools
• Experience working with stakeholders across the R&D organization to collaborate and resolve security issues with urgency and a team-first approach.

Responsibilities

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

Skills

Kubernetes

Terraform

IAM

Python

Incident response

On-call experience

Cloud security

Networking

Tools

GitHub

GitHub Actions

Wiz

Cloudflare

Burp

Kubernetes tooling

Job description

Chainalysis is seeking a Senior Security Engineer, Infrastructure to secure and operate cloud and Kubernetes environments that support our SaaS platform and Hosted AI Platform (HAIP). You’ll blend production operations with security engineering, responding to alerts, troubleshooting infrastructure, and delivering guardrails through Terraform and Kubernetes.

You’ll work with Infrastructure Security, Platform Engineering, AI Core, and other teams to address risks at the source and make secure,