Senior AI & Security Researcher (Remote)

horizon3ai; United States; Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Stock options

Health insurance

Vision coverage

Dental coverage

Flexible vacation

Parental leave

Career development

Job summary

Horizon3 AI is seeking a researcher to lead studies at the intersection of AI, cybersecurity, and computer systems. The role involves identifying practical security problems, designing experiments, and turning insights into prototypes or technical direction for real security tools.

The candidate should move between theory, experiments, and implementation, collaborating with security, engineering, and product teams to address operational constraints and communicate findings clearly.

Qualifications

• Substantial technical depth in AI, systems security, or cybersecurity.
• Ability to independently shape research directions, hypotheses, experimental plans, and evaluation methods.
• Experience translating research or technical ideas into working prototypes or clear implementation guidance.
• Skill in critically assessing technical literature and judging how well existing methods apply to practical problems.
• Ability to build expertise quickly in unfamiliar areas and explain results, assumptions, and limitations clearly.

Responsibilities

• Identify security challenges and frame them as focused research questions and testable hypotheses.
• Develop research plans and run rigorous experiments, accounting for baselines, assumptions, failure cases, and limitations.
• Build prototypes or guide their implementation, then assess whether they work in realistic security settings.
• Investigate relevant AI methods, such as language models, agent-based systems, planning, search, and learning techniques.
• Analyze varied security information, including networks, identities, configurations, telemetry, graphs, and attack paths.
• Work with security, engineering, and product partners to understand operational constraints and communicate findings.

Skills

AI research

Cybersecurity

Systems security

Experiment design

Tools

Python

PyTorch

Jupyter

Job description

Horizon3 AI is seeking a researcher to lead studies at the intersection of AI, cybersecurity, and computer systems. The role involves identifying practical security problems, designing experiments, and turning insights into prototypes or technical direction for real security tools.

The candidate should move between theory, experiments, and implementation, collaborating with security, engineering, and product teams to address operational constraints and communicate findings clearly.