Remote Senior Attack Engineer: Autonomous Red Team

Horizon3.ai; United States; Remote; USD 206,000 - 243,000; Full time

Benefits offered by this job

Inclusive Team

Growth Opportunities

Innovative Culture

Hybrid & Remote Work

Competitive Compensation

Job summary

Horizon3.ai is seeking a Senior Attack Engineer to lead complex internal network attack projects within NodeZero, our autonomous pentesting platform. You will turn real-world vulnerabilities into production-ready capabilities and guide the team in secure, scalable software design.

The role emphasizes building offensive tooling, researching tradecraft, and mentoring engineers while collaborating with product teams to deliver high-impact security solutions for large, modern environments.

Qualifications

• Experience leading complex, high-impact technical projects.
• Strong Python production-grade coding and testing.
• Deep offensive security experience against internal networks.
• Strong communication and documentation skills.

Responsibilities

• Research and develop autonomous attack capabilities for NodeZero.
• Design, build, and maintain production-grade Python systems.
• Validate attack scenarios in hardened internal test environments.
• Extend platform architecture with new identity and privilege paths.
• Mentor teammates and improve code reviews and standards.

Skills

Python

Offensive security

Network security

Mentorship

Research & development

Technical documentation

Tools

BloodHound

Impacket

netexec

Docker

Kubernetes

Neo4j

Job description

Horizon3.ai is seeking a Senior Attack Engineer to lead complex internal network attack projects within NodeZero, our autonomous pentesting platform. You will turn real-world vulnerabilities into production-ready capabilities and guide the team in secure, scalable software design.

The role emphasizes building offensive tooling, researching tradecraft, and mentoring engineers while collaborating with product teams to deliver high-impact security solutions for large, modern environments.