Senior Security Researcher

Posted Yesterday
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Tel Aviv, ISR
Hybrid
Senior level
Cloud • Security • Cybersecurity
Secure AI Agents Everywhere
The Role
Conduct end-to-end security research on AI agents, LLMs, cloud, web, and API threats. Develop detection logic and runtime protection rules, perform threat hunting across large datasets, validate research in production environments, and collaborate with engineering and product teams to deliver actionable security defenses.
Summary Generated by Built In
Description

About Us

Zenity is the leader in AI Agent Security and the first company to bring an agent-centric security platform to market. As enterprises accelerate AI agent adoption, we are establishing the security framework for how AI agents are secured and governed at enterprise scale.

We deliver full-lifecycle visibility, governance, detection, prevention, and response for AI agents from build time to runtime, across SaaS, home-grown platforms, and end-user devices. Backed by $180M+ in total funding, including a $125M Series C led by Norwest, with participation from SoftBank Vision Fund 2 and Microsoft's M12, Zenity is trusted by Fortune 500 and Global 2000 enterprises worldwide.

Join us in shaping how AI agents are secured at enterprise scale.

About the Role

We’re seeking a Senior Security Researcher to drive end-to-end research initiatives that strengthen Zenity’s detection capabilities. In this role, you’ll investigate emerging attack surfaces, craft and implement innovative detection logic, and test your findings in real-world environments. It’s a hands-on position ideal for someone eager to transform research insights into effective, production-grade security defenses.

Responsibilities

  • Research AI Agent and LLM-related risks, such as prompt injection and jailbreaking and implement sophisticated detection strategies.
  • Conduct research on cloud, web, and API security to uncover new threats and attack vectors.
  • Develop, refine, and design world-class detection logic and rules to enhance Zenity's runtime protection.
  • Perform threat-hunting activities across large data sources to identify emerging attack patterns
  • Drive full-cycle research: from hypothesis and experimentation to production validation.
  • Collaborate with engineering and product teams to deliver actionable insights.
Requirements
  • 4+ years in security research, including cloud, web, or API security.
  • Experience in detection engineering and building or working with detection-driven security products.
  • Strong coding and data analytics skills in scripting and programming languages such as Python, JavaScript and bash, and proficiency with SQL-like queries.
  • Solid grasp of security principles, cloud security, and runtime defense.
  • Curiosity, creativity, and a self-driven approach to research.
  • Experience tinkering with LLMs and AI security - a strong plus.

Skills Required

  • 4+ years of experience in security research, including cloud, web, or API security
  • Experience in detection engineering and building or working with detection-driven security products
  • Strong coding and data analytics skills
  • Proficiency with scripting and programming languages such as Python, JavaScript, and Bash
  • Proficiency with SQL-like queries
  • Solid understanding of security principles, cloud security, and runtime defense
  • Experience working with LLMs and AI security
  • Curiosity, creativity, and a self-driven approach to research

Zenity Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Zenity and has not been reviewed or approved by Zenity.

  • Fair & Transparent Compensation — Pay is considered competitive and generally favorable, with indications that totals can be strong for key roles. While volume of signals is limited, sentiment toward compensation trends positive.
  • Strong & Reliable Incentives — Go-to-market roles appear to feature robust variable compensation and high on-target earnings. Role and location differences are evident, which can shape incentive outcomes.
  • Equity Value & Accessibility — Equity is routinely referenced as part of offers, indicating broad eligibility consistent with growth-stage startups. This points to accessible upside potential alongside cash compensation.

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The Company
HQ: Asnières-sur-Seine
147 Employees
Year Founded: 2021

What We Do

Zenity is the first security and governance platform purpose-built for AI agents - spanning SaaS, home grown platforms (Cloud), and end-user devices (Endpoint). Trusted by Fortune 500 enterprises, Zenity helps security teams confidently adopt AI by delivering defense in depth with full-lifecycle coverage: from agent discovery and posture management to real-time detection, prevention, and response. As enterprises adopt Microsoft Copilot, Salesforce Agentforce, AWS Bedrock, and developer tools like GitHub Copilot, Zenity eliminates blind spots and enforces consistent policy across environments so organizations can innovate with AI, without compromising security. Learn more at www.zenity.io.

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