
WebApp Offensive Security Engineer
Horizon3 AIabout 4 hours ago
Remote, United StatesMid Level / Senior
Base Salary
$196k - $242k/yr
Responsibilities
- Perform hands-on, full-scope web application penetration tests against real customer applications.
- Review NodeZero results to identify coverage gaps and missed opportunities.
- Manually reproduce and validate edge cases, building reliable proof-of-concept exploits.
- Partner with software engineers to translate findings into product improvements.
- Build and maintain a library of regression and benchmark test cases.
- Monitor production pentests for missed findings and create Jira tickets for resolution.
- Work with customers and internal teams to investigate findings and explain attack paths.
- Author technical blog posts and research write-ups on new exploits and methodologies.
- Mentor teammates and contribute to team process improvements.
Requirements
- Extensive hands-on experience conducting full-scope web application penetration tests.
- Deep knowledge of web vulnerability classes such as SQL injection and XSS.
- Ability to find and exploit business-logic and edge-case flaws.
- Strong command of proxy tools like Burp Suite and browser developer tools.
- Comfort scripting to reproduce findings and build proof-of-concept exploits.
- Ability to communicate attack steps and remediation guidance clearly.
- Curiosity about emerging AI technologies and comfort using AI-assisted tools.
- Strong written and verbal communication skills.
- Ability to manage multiple priorities and mentor teammates.
- History of recognized security research and successful bug bounty contributions.
Benefits
- Inclusive team culture that values diversity.
- Growth opportunities within a dynamic and growing team.
- Collaborative environment that encourages creativity.
- Hybrid and remote work options available.
- Competitive salary, equity, and comprehensive benefits including health, vision, and dental insurance.