Principal Security Engineer, Cloud, Blockchain & AI Defense

Circle; Austin (TX); Hybrid; USD 128,000 - 197,000; Full time

Job summary

Circle is seeking a Principal Security Engineering professional to lead key projects across cloud, blockchain, and AI threat surfaces. You will drive detection, response, and incident management across Circle’s security program, collaborating with multiple teams and maintaining on-call duties.

The role emphasizes deep cloud security expertise, blockchain threat awareness, and hands-on experience with SIEM and SOAR tools, while contributing to broader security initiatives and threat modeling.

Qualifications

• Bachelor's degree in a relevant field; 10+ years in security engineering or related roles preferred.
• Deep cloud security knowledge in AWS and related tooling.
• Hands-on experience with SIEM and SOAR platforms.

Responsibilities

• Lead security projects and deliverables across Circle's security program.
• Develop detection and response capabilities for blockchain, cloud, and AI surfaces.
• Manage on-call duties and incident responses, including night/weekend rotations.

Skills

Security engineering

Incident response

Cloud security

Python

Golang

SIEM

Threat modeling

On-call experience

Education

Bachelor's degree in Computer Science

Tools

Panther

Tines

AWS

Job description

Circle is seeking a Principal Security Engineering professional to lead key projects across cloud, blockchain, and AI threat surfaces. You will drive detection, response, and incident management across Circle’s security program, collaborating with multiple teams and maintaining on-call duties.

The role emphasizes deep cloud security expertise, blockchain threat awareness, and hands-on experience with SIEM and SOAR tools, while contributing to broader security initiatives and threat modeling.