JobsBackendSenior AI/LLM Engineer
Censys

Censys

Ā·

Backend

Senior AI/LLM Engineer

RemoteSeniorPosted Aug 17, 2026
PythonLLMsLangChainRAGMachine learningDeep learningPyTorchVector Search+41 more

About this role

Censys is seeking a Senior Software Engineer to join their SOC/TH team focused on AI and LLMs. You'll build AI-powered investigation workflows, develop RAG pipelines, and create intelligent features that help security analysts identify and monitor malicious infrastructure at internet scale.

Must have

5+ years of software engineering experience

2+ years building and scaling AI-powered user-facing features

Strong proficiency in Python for backend and API services development

Familiarity with RAG evaluation frameworks such as RAGAS and LangSmith

Ability to rapidly prototype and validate AI features in fast-paced environment

Prior knowledge in prompt engineering improving LLM accuracy and reasoning

Understanding secure and responsible AI practices and implementing guardrails

Hands-on experience with CI/CD pipelines and test automation for AI applications

Technologies

PythonReactAWSTypeScriptGitDockerRESTLinuxJiraPostgreSQLTerraformKafkaMongoDBConfluenceRedisGraphQLMachine learningFlaskGitHubTensorFlowpandasCybersecuritySaaSNext.jsData analyticsscikit-learnPyTorchKerasElasticsearchNumPyDeep learningNLPKubernetesMLflowCI/CDXGBoostLLMsBeautifulSoupLangChainOpenRouterApifyMLOpsPrompt engineeringAPIFastAPIOpenAIRAGVector SearchHugging Face

Responsibilities

Rapidly prototype and deploy AI-powered features to enhance search and automate workflows

Apply machine learning to streamline workflows and personalize experiences

Develop and fine-tune LLMs and RAG pipelines to reason over Internet-scale data

Build scale and maintain AI-driven analytics and automation systems

Collaborate with frontend product and data engineering teams to integrate AI-native experiences

Continuously evaluate and improve model performance through RAGAS LangSmith and automated testing

Benefits

EquityHealth insuranceDental insuranceVision insuranceRetirement benefits with matchCompetitive salary and stock option planRemote work

Recruitment process

1

Position is remote within the United States or Canada

2

Team builds intelligence-driven investigation workflows on top of Censys Platform

3

Helps analysts threat hunters detection engineers and incident responders

4

Transforms global internet scan data and threat intelligence into AI-powered actionable insights

5

High cost of living areas salary range is 179000 USD to 201000 USD

6

All other locations salary range is 148000 USD to 192000 USD

7

Plus bonus eligibility and equity for all locations

8

Benefits effective on day one including 401k match health vision dental and more

9

Company roots are in Ann Arbor Michigan with global team perspectives