arena1mo ago

Security Engineer, Anti-Abuse

Bay Areafull-timemid

EngineeringSecurity Engineer

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Quick Summary

Overview

About Arena Intelligence Arena Intelligence is the open platform for evaluating how AI models perform in the real world. Created by researchers from UC Berkeley’s SkyLab, our mission is to measure and advance the frontier of AI for real-world use.

Technical Tools

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Arena is the platform for evaluating how AI models perform in the real world. Founded by researchers from UC Berkeley's SkyLab, we're on a mission to measure and advance the frontier of AI for real-world use, and to build the foundation for everyone to understand, shape, and benefit from it.

About the Role

~1 min read

Experience with LLM-specific adversarial inputs — jailbreaks, direct and indirect prompt injection, tool-use abuse
Experience with agent safety, browser-automation abuse, or LLM-API abuse
Background in securing voting, rating, reputation, or marketplace platforms against coordinated manipulation
ML or ML-systems experience — feature engineering, online/offline evaluation, label acquisition, drift handling
Experience building investigator or analyst tooling used by non-engineers
Contributions to open-source trust & safety, abuse-detection, or adversarial-ML work
Background in gaming integrity, ad-fraud, or financial-crime engineering at scale

What We Offer

~1 min read

✓We offer competitive compensation and equity aligned to the markets where our team members are based. The base salary range will depend on the candidate’s permanent work location.

✓Comprehensive health and wellness benefits, including medical, dental, vision, and additional support programs.

✓The opportunity to work on cutting-edge AI with a small, mission-driven team

✓A culture that values transparency, trust, and community impact