Startups · AI

Senior AI/LLM Engineer

Censys · Remote (US/Canada) · Remote

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About Censys

Censys empowers security teams with the most comprehensive, accurate, and up-to-date map of the internet to defend attack surfaces and hunt for threats. Backed by Greylock and GV.

About the role

Censys is seeking a Senior Software Engineer to join our SOC/TH team focused on AI and LLMs . The SOC-TH team builds intelligence-driven investigation workflows on top of the Censys Platform, helping analysts, threat hunters, detection engineers and incident responders triage, identify, analyze, and monitor malicious infrastructure at internet scale.

What they're looking for

  • Rapidly prototype and deploy AI-powered features to enhance search, improve recommendations, and automate workflows across the Censys Platform
  • Apply machine learning to streamline workflows, personalize experiences, and surface critical insights
  • Develop and fine-tune LLMs and RAG pipelines to reason over Internet-scale data, summarize findings, and deliver context-aware insights
  • Build, scale and maintain AI-driven analytics and automation systems helping users make faster, data-backed decisions
  • Collaborate with frontend, product, and data engineering teams to integrate AI-native experiences that feel seamless, intuitive, and secure
  • Continuously evaluate and improve model performance through RAGAS, LangSmith, and automated regression testing frameworks
More about this role

Censys’ mission is to be the one place to understand everything on the internet. Frustrated by the lack of trustworthy Internet intelligence, we set out to create the industry’s most comprehensive, accurate, and up-to-date map of the Internet. Today, Censys delivers real-time Internet intelligence and actionable threat insights to global governments, over 50% of the Fortune 500, and leading threat intelligence providers worldwide.

At Censys, we’re on a mission to provide best in class internet visibility and intelligence to the global security community. Our platform helps security teams uncover hidden threats, gain actionable insights, and build proactive defense strategies. Trusted by organizations worldwide, Censys cuts through the noise to surface the most critical risks, enabling teams to respond faster, and stay ahead of attackers. We’re constantly pushing the boundaries of what’s possible to help our customers see and secure the internet more clearly than ever before.

This position is remote within the United States or Canada.

Censys is seeking a Senior Software Engineer to join our SOC/TH team focused on AI and LLMs . The SOC-TH team builds intelligence-driven...

Read the full posting on Censys's site ↗

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