230K–275K USD / year
Senior/Staff Attack Engineer, Rapid Response
EngineeringRemote — US
Published on 2026-10-07
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About this role
Join Horizon3 as a Senior/Staff Attack Engineer focusing on high-consequence vulnerabilities. You'll research and automate exploitation techniques to help customers validate exposure and prioritize remediation efficiently.
About the company
Horizon3.ai is a technology company specializing in cybersecurity solutions, focusing on automated penetration testing and threat detection for enterprises. They provide a range of services aimed at enhancing security posture and risk management for organizations across various sectors.
The team
Rapid Response Platform
Stack
Python
What you'll do
- Research high-consequence vulnerabilities
- Study attacker tactics and procedures
- Develop automated proof-of-exploit capabilities
- Validate vulnerability remediation
- Collaborate with research and product teams
What we're looking for
- Strong Python and software engineering skills
- Experience in penetration testing and vulnerability research
- Hands-on experience with cloud environments and enterprise networks
- Ability to automate manual techniques
- Understanding of attack chains and trust boundaries
Nice to have
- Experience with CISA KEVs and CVEs
- Background in incident response
- Knowledge of AWS, Azure, or GCP
- Experience in exploit development or malware analysis
- Contributions to security research or publications
Benefits
- Inclusive team culture
- Growth opportunities
- Hybrid & remote work options
- Competitive compensation
- Health, vision & dental insurance