Software Engineer, Site Reliability Engineering (SRE)

Software Engineer, Site Reliability Engineering (SRE)Join to apply for the Software Engineer, Site Reliability Engineering (SRE) role at LMArenaContinue with Google Continue with GoogleSoftware Engineer, Site Reliability Engineering (SRE)1 week ago Be among the first 25 applicantsJoin to apply for the Software Engineer, Site Reliability Engineering (SRE) role at LMArenaAbout The CompanyLMArena 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.About The CompanyLMArena 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 OverviewWe 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. You will: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 ResponsibilitiesInfrastructure as Code – Manage Terraform modules and secrets pipelines; champion immutable, auditable infrastructure.Cloudflare Operations – Configure, monitor, and harden WAF, DDoS protections, bot management, and CDN caching strategies.Vercel & Edge Runtime – Own deployment architecture, performance tuning, and incident response for our Next.js‑based front end and Edge Functions.CI/CD & Release Engineering – Design, implement, and maintain secure pipelines (GitHub Actions, Vercel integrations) with automated testing and vulnerability scanning.Change Management & Documentation – Establish and enforce a lightweight but disciplined RFC/change‑control process; maintain comprehensive runbooks and architecture diagrams.Observability & Incident Response – Expand monitoring, logging, and alerting; lead post‑incident reviews and drive continual improvement.Mentorship – Provide day‑to‑day guidance to engineers and junior SREs, fostering a culture of ownership and learning.Compliance Support – Partner with ProdSec and GRC teams on SOC2, ISO27001, and customer security questionnaires.Manage and maintain internal and external facing infrastructureMaintain and configure log aggregation requirements, and the infrastructure used to store them across the businessRequired Qualifications7+years in SRE/DevOps roles for high‑traffic SaaS or consumer web products.Proven expertise securing and scaling Cloudflare and Vercel (or comparable CDN/edge and serverless platforms).Deep understanding of web application security, networking, TLS, and zero‑trust principles.Strong proficiency with infrastructure as code (Terraform, Pulumi, or similar), and serverless build pipelines (GitHub Actions or similar)Strong programming abilities (Golang, python, TypeScript) and scriptingDemonstrated success designing and enforcing change‑management workflows.Excellent written communication—able to produce clear runbooks and architecture docs.Track record mentoring or leading junior engineers.Nice‑to‑HaveExperience with container orchestration (Kubernetes or Nomad).Experience with serverless stacks.Certifications such as AWS/GCP Professional, GIAC‑GCSA, CKS, or CISSP.Why You’ll Love Working HereImpact – You’ll set the foundation for reliability and security across a rapidly growing AI benchmarking platform.Culture – Engineering‑first, documentation‑driven, and community‑obsessed.Compensation – Competitive salary, meaningful equity, comprehensive benefits, and professional‑development budget.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionEngineering and Information TechnologyIndustriesResearch ServicesReferrals increase your chances of interviewing at LMArena by 2xGet notified about new Software Engineer jobs in San Francisco Bay Area.San Francisco, CA $160,000 - $180,000 2 days agoSoftware Engineer, AI Intern (Fall 2025)San Francisco Bay Area $57 - $61 2 weeks agoSan Francisco, CA $130,000 - $238,000 2 weeks agoSan Francisco, CA $40,000 - $70,000 2 weeks agoSan Francisco, CA$145,000.00-$230,000.002 weeks agoMountain View, CA$125,400.00-$188,100.002 weeks agoSoftware Engineer, AI Platform - New GradSan Francisco, CA$220,000.00-$350,000.002 weeks agoSan Jose, CA$130,000.00-$180,000.002 weeks agoSan Francisco, CA$130,000.00-$140,000.002 weeks agoSoftware Engineer (L4), Content & Business ProductsSoftware Engineer, Frontend (All Levels)San Francisco, CA$150,000.00-$220,000.002 weeks agoSan Francisco, CA$150,000.00-$230,000.002 months agoFull Stack Software Engineer - Post-trainingSan Francisco, CA$130,000.00-$240,000.002 days agoSan Francisco, CA$150,000.00-$283,000.002 weeks ago(General Hire) Software Engineer Graduate (Advertisement Team) - 2025 Start (BS/MS)San Jose, CA$113,500.00-$250,000.002 weeks agoSan Francisco, CA $105,600 - $198,000 4 days agoFull Stack Software Engineer (L4), Product Localization EngineeringNew Grads 2025 - Software Engineer, AlgorithmSan Jose, CA $120,000 - $165,000 9 months agoPalo Alto, CA $152,400 - $228,700 2 weeks agoSan Francisco, CA $140,000 - $195,000 4 days agoWe’re unlocking community knowledge in a new way. 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