Site Reliability Engineer

Site Reliability Engineer

About the Company

LMArena is an engineering-first startup redefining how the world evaluates large language models. Created in 2023 by UC Berkeley researchers, our neutral, community-driven benchmarking platform attracts over one million monthly users—pairwise comparing leading models from OpenAI, Google, Anthropic, and more—to deliver real-time insights into the rapidly evolving LLM landscape. LMArena is scaling fast to build the next generation of AI testing infrastructure and set the industry standard for model evaluation.

Position Overview

We are seeking an experienced, security‑minded Site Reliability Engineer to own and elevate our infrastructure, processes, and operational security. We are cognizant that much of the security domain sits within the SRE’s world these days and are building our team accordingly.

• Take end‑to‑end ownership of infrastructure operations across Cloudflare, Vercel, and our CI / CD pipelines.
• Embed security best practices into every layer of the stack, ensuring resilience against emerging threats.
• Establish processes and procedures that promote efficient onboarding and ramping up new team members, and mentor incoming and more junior members of the team.

This role is ideal for a seasoned SRE who thrives at the intersection of reliability, performance, and security, and who brings the rigor needed to keep fast‑moving product teams focused on innovation.

Key Responsibilities

Required Qualifications

Why You’ll Love Working Here

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