Search API for AI agents that need real-time web data, deep research, and structured content from one endpoint. Try our API for free. Backed by Lightspeed, Y Combinator and a16z.
About the role
You have built or led security at a technically ambitious, rapidly growing infrastructure, AI, developer-platform, cloud, or enterprise-software company. You have operated with company-wide accountability for security—not merely responsibility for an individual security discipline.
What they're looking for
- You have built or led security at a technically ambitious, rapidly growing infrastructure, AI, developer-platform, cloud, or enterprise-software company
- You have operated with company-wide accountability for security—not merely responsibility for an individual security discipline
- You combine executive judgment with deep technical credibility. You can move comfortably between company strategy, business risk, system architecture, incident investigation, and implementation details
- You approach unfamiliar problems with the mindset of both a builder and an attacker, and you are energized by security challenges for which no established playbook exists
More about this role
Exa is an applied AI lab building a search engine unlike the world has ever seen. We build massive-scale infra to crawl the entire web, train state-of-the-art embedding models to process it, and design super high performant vector databases to retrieve over it. We now power search for Cursor, Cognition, HubSpot, and over 400,000 developers and have raised $350m from Lightspeed, Benchmark, and a16z.
Our ultimate goal is to build perfect search over all the world's information, far beyond Google. If you want to build massive-scale ML systems that will define the way the new AI world consumes information, this is the place for you.
Define Exa’s company-wide security strategy, operating model, risk framework, and multiyear roadmap.
Establish Exa’s security posture and risk appetite in partnership with the founders and executive team.
Provide leadership with clear, decision-ready assessments of material risks, incidents, investments, and tradeoffs.
Own security architecture and engineering across Exa’s products, APIs, web-scale data pipelines, cloud environments, Kubernetes clusters, model-training systems, GPU infrastructure, and internal platforms.
Protect customer data, proprietary...
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