Senior Manager, Attack Engineering

Horizon3.ai

Engineering Manager overseeing a team at Horizon3.ai to enhance offensive security capabilities. Focus on external attack strategies, methodologies, and customer engagement.

Posted 7/15/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $235,000 - $280,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in leading offensive security teams and developing attack methodologies while balancing technical depth with strategic leadership. Proficient in managing external attack surfaces and implementing security best practices across public-facing platforms.

Highest-signal resume keywords

Offensive Security LeadershipExternal Attack Surface ExpertiseSoftware Engineering (Python)CI/CD and Infrastructure-as-Code (Terraform, CloudFormation)Relevant Security Certifications (OSCP, Cloud or SaaS Security)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Attack MethodologiesAuthentication ImplementationCommon MisconfigurationsExploitation PathsAPIsCloud AutomationInfrastructure Tooling

Soft Skills

Strong Communication Skills

Certifications & Qualifications

OSCPCloud SecuritySaaS Security

Industry Keywords

Red TeamAttack EngineeringPublic-Facing PlatformsCustomer EngagementsTechnical Briefings

Tech Stack

Tools & technologies

CloudPythonTerraform

About the role

Key responsibilities & impact

Lead and grow a team of Attack and Full-Stack Engineers specializing in the External Attack Surface
Own offensive strategy across external and public-facing platforms and infrastructure
Develop end-to-end attack methodologies and implement stealth-oriented authentication
Partner with Product and Design to translate field insights into prioritized roadmap input
Oversee high-impact customer engagements and technical briefings

Requirements

What you’ll need

5+ years leading offensive security, red team, or attack engineering teams
Experience managing teams of 6–10+ engineers and scaling organizations
Proven ability to balance hands-on technical depth with strategic leadership
Strong expertise in one or more external/public-facing infrastructure attack surfaces
Deep understanding of common misconfigurations and exploitation paths in external platforms
Strong background in software engineering (Python preferred)
Experience with APIs, cloud automation, and infrastructure tooling
Familiarity with CI/CD and infrastructure-as-code (Terraform, CloudFormation, etc.)
Strong communication skills across technical and non-technical audiences
Relevant security certifications (e.g., OSCP, cloud or SaaS security) are a plus.

Benefits

Comp & perks

Health, vision & dental insurance for you and your family
Flexible vacation policy
Generous parental leave
Competitive salary
Equity and benefits