Horizon3 AI

Horizon3 AI

Senior Manager, Attack Engineering

US, Remote · Senior · Full-time

Sponsorship not specified$235k-$280kDetected 6 days ago
PythonFull-Stack DevelopmentGitCloud PlatformsTerraformCI/CDLLMsCybersecurityResearchLeadershipCommunicationCollaboration

About the role

  • NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises.
  • You'll operate at the intersection of offensive security, engineering, and product, driving both hands-on technical direction and strategic execution.

Responsibilities

  • We're seeking an experienced Engineering Manager to lead our External Attack Engineering organization.
  • Ideal candidates bring a strong mix of technical depth, leadership experience, and product mindset, and are excited to build and scale a team shaping the future of autonomous offensive security.
  • Lead and grow a team of Attack and Full-Stack Engineers specializing in the External Attack Surface, including Commercial and SaaS platform.
  • Drive hiring and organizational scaling as the External Attack team expands.
  • We believe that diverse perspectives drive innovation and strengthen our ability to create cutting-edge cybersecurity solutions.

Requirements

  • 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.
  • Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee.

Nice to have

  • Common misconfigurations and exploitation paths in external platforms
  • System-level compromise and lateral movement in externally-facing enterprise commercial software
  • Complex multi-platform attack scenarios
  • Ability to chain attack paths end-to-end and clearly explain impact.
  • 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.).
  • Comfortable working with Git, MR workflows, and product development cycles.

Skills

  • Familiarity with AI/LLM systems and associated attack surfaces.
  • Experience in security tooling, red teaming, or offensive engineering products.
  • Relevant security certifications (e.g., OSCP, cloud or SaaS security) are a plus.
  • Public research, blogs, or open-source contributions related to external attack surfaces.
  • Highly self-directed and effective in ambiguous environments.
  • Able to operate at both strategic and hands-on technical levels.
  • Strong cross-functional partner across Engineering, Product, and GTM.
  • Get to Know Us
  • It is used by ITOps/SecOps teams, consulting pentesters, and MSSPs and MSPs.
  • External and Public-facing platforms and infrastructure
  • Enterprise SaaS and externally-facing enterprise commercial software
  • Identity, SaaS providers, and enterprise platform layers

Compensation

  • We offer competitive salary, equity and benefits.
  • At Horizon3, we believe that our people are our greatest asset, and our compensation philosophy reflects this core value.
  • Our compensation structure is designed to be fair, competitive, and transparent, ensuring that every team member is recognized and compensated equitably across roles, levels, and locations.
  • In accordance with various State's transparency regulations, we provide the following salary range information for this position:
  • $235,000 - $280,000 annually.
  • The exact salary will be determined based on the selected candidate's location, qualifications, experience, and relevant skills.

Benefits

  • Our benefits include health, vision & dental insurance for you and your family, a flexible vacation policy, and generous parental leave.
  • All full-time roles are eligible for an equity package in the form of stock options.

Company info

  • Work in a collaborative environment that encourages creativity and out-of-the-box thinking.
  • This leader will ensure our external attack capabilities reflect real-world attacker tradecraft while remaining production-safe, high-signal, and impactful for customers.

Equal opportunity

  • Our commitment to diversity and inclusion means we strive to attract, develop, and retain a workforce that reflects the varied communities we serve.
  • equal opportunity employer - we are a community that values diversity, equity, and inclusion as fundamental principles of our culture and success.

This listing is sourced directly from Horizon3 AI's careers page and normalized into a canonical job model.