Sr. Infrastructure Security Engineer

About this role

Core team

$250K - $350K/yr compensation

## Required Skills

Security Governance

Zero Trust

Detection as Code (DaC)

IAM Engineering

AI-Enabled Defense

About micro1

micro1 connects domain experts to the development of frontier AI models. Real-world expertise is turned into training data, evaluations, and feedback loops that improve how models perform. AI labs and enterprises use micro1 to train models and build reliable AI agents through advanced evaluations and reinforcement learning environments. Experts contribute directly to how AI systems learn, reason, and perform across domains like finance, healthcare, engineering, and more. Our platform identifies and vets top talent through an AI recruiter, enabling high-quality contributions at scale.

Our goal is to enable 1 billion people to do meaningful work by applying their expertise to AI. We’ve raised $40M+ in funding, and our AI recruiter has powered over 1 million AI-led interviews as our global network of experts grows into the human intelligence layer for AI.

## Job Description

Job Title: Sr. Infrastructure Security Engineer

Job Type: Full-Time

Location: Remote

The Role

We’re looking for an infrastructure security engineer who thinks like a builder, not an auditor. You’ll design and evolve the security foundations of a fast-moving, AI-native organization—where the goal isn’t just to reduce risk, but to enable us to move faster safely.

This role sits at the intersection of systems engineering, security research, and applied automation.

What You’ll Do

• Architect security systems across AWS, GCP, and Azure that scale with rapid product iteration.

• Build automated guardrails and self-healing infrastructure to eliminate entire classes of vulnerabilities.

• Design and implement Zero Trust primitives—identity, access, and policy as code—from first principles.

• Develop Detection-as-Code pipelines, treating detection logic like producti...