Senior Attack Engineer, Internal Systems

New
H
Horizon3.aiCybersecurity
US, RemoteFull-TimeSenior
SalaryBase salary range: $206,278 - $242,680. Additional compensation: All full-time roles are eligible for an equity package in the form of stock options.
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Job Details

Required Skills
Python

Requirements

  • Bring deep, hands-on offensive security experience against internal enterprise networks and Active Directory, from initial foothold through domain and enterprise compromise.
  • Demonstrate expert-level Python proficiency and a track record of shipping and maintaining tested, documented, production-quality code.
  • Have a strong command of internal network attack techniques, including network protocol exploitation, privilege escalation, lateral movement, and credential access.
  • Have experience with object-oriented design, API integration, data structures, and scalable system components.
  • Have experience designing complex software components or systems with attention to extensibility, operational safety, performance, and long-term maintenance.
  • Independently lead complex technical projects, make decisions under ambiguity, and identify business implications and delivery risks.
  • Communicate technical documentation, design choices, risks, and tradeoffs to technical and non-technical stakeholders.
  • Demonstrate investment in teammates' growth through mentorship, architectural feedback, and code reviews.
  • Have experience improving team processes, tooling, or technical standards.
  • OSCP, OSEP, CRTO, or equivalent offensive security certification is a differentiator.

Responsibilities

  • Research and develop novel autonomous red-team and internal-network attack capabilities for the NodeZero platform.
  • Research emerging internal attack techniques and turn them into production attack content.
  • Design, build, and maintain production-grade Python systems, balancing effectiveness, safety, reliability, scalability, and maintainability.
  • Configure and exploit hardened internal test environments to validate complex attack scenarios.
  • Monitor vulnerability databases and threat intelligence sources and incorporate emerging threats into attack modules.
  • Extend platform architecture and graph data models for identity, privilege-escalation, and lateral-movement paths.
  • Shape coverage priorities, scope projects, and identify risks and tradeoffs.
  • Mentor teammates and improve engineering processes, code quality, architectural standards, and research safety practices.
  • Partner with engineering, product, and customer-facing teams to resolve issues, enhance features, and produce technical documentation.
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Base salary range: $206,278 - $242,680. Additional compensation: All full-time roles are eligible for an equity package in the form of stock options.
Apply Now