Senior Research Staff, Adversarial Intelligence

The role

You will lead research problems at the intersection of super intelligence, systems security, and agentic systems for security. You will identify technical problems and turn research directions into methods, prototypes, experiments, and systems.

What you will do

• Identify, formulate, and drive research problems at the intersection of AI, cybersecurity, and computer systems.
• Translate technical challenges from products and security environments into research questions.
• Independently develop research directions, technical hypotheses, and experimental plans.
• Design and lead rigorous experiments in controlled and representative environments.
• Build research prototypes and technical systems.
• Study and evaluate modern AI techniques including large language models and agentic systems.
• Reason over complex security data and environments.
• Read and critically evaluate academic and technical literature.
• Develop evaluation methodologies for research approaches.
• Work with attack engineers, security engineers, and product teams.

Required qualifications

• Strong foundations in computer science.
• Significant technical depth in systems security, super intelligence / machine learning, or a closely related area.
• Ability and motivation to work across AI and security.
• Demonstrated ability to independently identify, structure, and solve complex technical problems.
• Experience conducting research or advanced technical investigation.
• Strong programming and software engineering skills.
• Ability to design rigorous experiments and evaluation methodologies.
• Ability to critically evaluate technical literature.
• Interest in both research and engineering.
• Strong technical judgment.
• Ability to provide constructive technical guidance and mentorship to junior researchers.
• Ability to work independently while collaborating with technical stakeholders.

Nice to have

• Deep experience in systems security, offensive security, defensive security, penetration testing, vulnerability research, operating systems, networks, distributed systems, cloud security, identity sys
• Deep experience in machine learning, deep learning, large language models, AI agents, reinforcement learning, planning, search, graph reasoning, or program analysis.
• Experience leading or substantially contributing to research projects.
• Experience defining new research directions.
• Experience building research systems that operate on realistic environments.
• Experience designing experimental infrastructure, evaluation frameworks, benchmarks, or test environments.
• Familiarity with cybersecurity concepts such as attack paths, Active Directory, cloud environments, identity systems, security controls, adversarial techniques, and autonomous security systems.
• Experience mentoring junior researchers, engineers, students, or interns.
• Strong research publications, patents, conference presentations, or open-source contributions.

Benefits

• Equity package in the form of stock options
• Health, vision & dental insurance for you and your family
• Flexible vacation policy
• Generous parental leave

About the company

Horizon3 is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find, fix and verify exploitable attack vectors. The team is a fusion of former U.S. Special Operations cyber operators, startup engineers, and cybersecurity practitioners.