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Brainco · Engineering

AI Security Engineer Co-Op Intern, Winter 2027

Where
San Francisco Bay AreaHybrid
Experience
0–1 yrsguessed from the title
Pay
Not stated
Posted
First seen by Unlisted 14 Oct, 02:23 UTC. It wasn't on the board at the check on 13 Oct, 18:05 UTC, after its posted date, so it may be a repost.
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Our Mission

Rebuild how the world works, to make institutions work better for the people they serve.

About Brain Co.

Brain Co. builds AI-native operating systems for large, regulated institutions. Each system is built for a specific industry, powered by agents that push real workflows forward. Underneath it all is Atlas, our proprietary platform that keeps customers in control, secure by design, and never locked into one model.

Why Now

Brain Co. is entering its next phase of production deployments on a national scale with an elite team built from Palantir, Google, Meta, and Nvidia, and a growing footprint across government, insurance, health, and financial services.

Joining now means shaping both the company and a new category of applied AI. Every project here ships to production and is expected to create measurable customer value and impact.

You'll work alongside exceptional peers on some of the hardest problems in applied AI. It’s the kind of work you'll still be proud of in ten years from now.

About the Co-Op

As a Platform Security Engineer Co-Op Intern, you’ll work alongside experienced security, platform, and infrastructure engineers to help build security directly into how Brain Co. develops and ships software.

This co-op is designed for current undergraduate students, specifically juniors or seniors, who want hands-on experience securing real production systems. You’ll contribute to projects across CI/CD, cloud infrastructure, Kubernetes, containers, and Infrastructure-as-Code while receiving mentorship through code reviews, design discussions, and hands-on collaboration with the team.

This is a builder-focused security role. You’ll learn how security tooling and automated guardrails can make the secure path the easy path for engineers.

What You’ll Work On

You Might Be a Great Fit If You…

Bonus Points For

What You’ll Gain

Co-Op Details & Benefits

Why Intern at Brain Co.

If you’re a current junior or senior who wants to build security into real systems rather than only study vulnerabilities in isolation, Brain Co. is a place to learn, build, and make an impact.