Staff Attack Engineer specializing in AI/LLM security

Horizon3.ai

Remote regions

Global

Salary range

$223,000–$275,000/yr

Benefits

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ATTACKING AI/LLM SYSTEMS:

  • Break AI and agentic systems and translate that research into automated, repeatable attack modules for NodeZero.
  • Design and execute prompt injection and defense evasion attacks, focusing on generalized, reusable patterns.
  • Conduct tool-use exploitation, abusing LLM agents’ access to code, file systems, APIs, and databases for attacker-realistic outcomes.

BUILDING WITH LLMS:

  • Build and extend LLM-powered applications (prompting, structured output, agentic workflows).
  • Design with production concerns in mind: cost, safety and hallucination guardrails, reliability, and observability.
  • Design and extend microservices that orchestrate LLM tasks and integrate with NodeZero and related offensive workflows.

COMPETENCIES / REQUIREMENTS:

  • Expert-level Python and software engineering skills.
  • Solid penetration testing fundamentals and understanding of common attack chains.
  • Familiarity with AI/LLM security frameworks (e.g., OWASP Top 10 for LLMs, MITRE ATLAS).

Horizon3.ai

Horizon3.ai is a cybersecurity company dedicated to enabling organizations to proactively find, fix, and verify exploitable attack vectors before criminals exploit them. They are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners, committed to a culture of respect, collaboration, ownership, and results.

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