Low-Level AI Security Systems Engineer

Zealot Labs, Inc.; New York (NY); On-site; USD 105,000 - 165,000; Full time

Benefits offered by this job

Relocation support

Job summary

Zealot Labs, Inc. is building AI-driven cyber tools in New York City, with an on-site requirement and relocation support. The team, backed by top investors, focuses on low-level systems, vulnerability research, and production-grade code across kernel internals and OS interfaces.

Ideal candidates bring 2+ years in engineering, deep OS-level experience, and a strong builder mindset. This early-stage startup emphasizes ownership, performance, and the ability to deliver end-to-end systems in a

Qualifications

• 2+ years of engineering experience.
• Deep low-level systems experience: OS internals, kernel work, runtime detection, dynamic analysis, dynamic interception, or comparable.
• Strong builder mindset with ownership of end-to-end production code.

Responsibilities

• Build production systems that conduct AI-driven vulnerability research and exploit development at scale.
• Work close to the metal: OS internals, kernel interfaces, and low-level performance optimization.
• Own problems end-to-end across architecture, implementation, and shipped production code.
• Partner with vulnerability researchers, security operators, and the engineering team to automate cyber operations.
• Help define the standards and operating cadence of a team that aims to set the bar for AI-native cyber.

Skills

Low-level systems

Kernel development

Operating system internals

C/C++

Performance optimization

End-to-end ownership

Ambiguity tolerance

Security research

In-person NYC

Tools

OS-level tooling

Job description

Zealot Labs, Inc. is building AI-driven cyber tools in New York City, with an on-site requirement and relocation support. The team, backed by top investors, focuses on low-level systems, vulnerability research, and production-grade code across kernel internals and OS interfaces.

Ideal candidates bring 2+ years in engineering, deep OS-level experience, and a strong builder mindset. This early-stage startup emphasizes ownership, performance, and the ability to deliver end-to-end systems in a