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Zafran Security

AI-driven real-time cyber threat protection

Query Infra Team Lead

Full-TimeUpdated on 10/14/2026
No salary listed
Mid, Senior
Tel Aviv-Yafo, Israel
In Person
Engineering ManagementEngineering Leadership

About the job

Requirements
  • At least 4 years of experience as a Team Lead or Engineering Manager of a data infrastructure, platform, backend infrastructure, or database-oriented team.
  • At least 4 years of hands-on experience with large-scale analytical databases, data platforms, or search infrastructure.
  • Deep understanding of data modeling, query optimization, indexing, partitioning, storage layouts, and performance tradeoffs.
  • Production experience with ClickHouse, Elasticsearch, or similar systems such as BigQuery, Snowflake, Redshift, or OpenSearch.
  • Strong backend fundamentals and the ability to design reliable, scalable, observable, and maintainable systems.
  • Experience running data systems in production, including monitoring, incident response, capacity planning, cost management, migrations, and backfills.
  • Ability to define clean interfaces between platform teams and product teams.
  • Comfort working in a fast-moving startup where the team is still being shaped.
Responsibilities
  • Create, build, and lead Zafran’s Data Infra team from the ground up.
  • Own the infrastructure of Zafran’s investigation data layer for the Platform.
  • Turn Zafran’s investigation infrastructure into a dedicated, well-defined platform capability.
  • Design and evolve the data models, schemas, indexing strategies, and query patterns that power Zafran’s investigation databases.
  • Lead the architecture, operation, and scaling of the databases and search infrastructure that power investigation, analytics, and query use cases across the platform.
  • Partner with Product, Backend, DevOps, Security Research, and customer-facing engineering teams to define clear boundaries, contracts, and data-layer APIs.
  • Make the data layer reliable, observable, cost-efficient, and performant across many tenants and large volumes of security data.
  • Set engineering standards for schema design, data modeling, query optimization, migrations, backfills, and data-quality monitoring.
  • Mentor engineers, review technical designs, and raise the bar for how Zafran builds and operates data infrastructure.
  • Remain hands-on with architecture, production issues, performance bottlenecks, and complex queries.
Desired Qualifications
  • Hands-on ClickHouse experience in production.
  • Hands-on Elasticsearch experience in production.
  • Experience with multi-tenant SaaS data architectures.
  • Experience with streaming or event-driven ingestion pipelines, including Kafka or similar technologies.
  • Background in cybersecurity, vulnerability management, exposure management, CTEM, SIEM, EDR, CNAPP, CSPM, or related security-data domains.
  • Experience building a new team, owning a platform capability, or extracting infrastructure ownership from a product team.
  • Experience supporting analytical or investigation-heavy product use cases.

About the company

Zafran Security provides cybersecurity services to protect organizations from threats and vulnerabilities. It offers automated and AI-driven solutions to detect and mitigate security incidents in real time, targeting businesses of all sizes. Revenue comes from subscription-based services and customized security packages. The company is built on experienced security leadership, a team of security experts, and partnerships with investors to deliver risk mitigation and data protection. The goal is to help organizations quickly defuse threats, maintain business continuity, and safeguard digital environments.

Company Size

51-200

Company Stage

Series C

Total Funding

$136M

Headquarters

New York City, New York

Founded

2022

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Simplify's Take

What believers are saying

  • August 2026 Attack Chain Killswitch targets AI-powered attack chains using Google intelligence.
  • April 2026 Zafran AIR promises up to 90% exploitability reduction within days.
  • Cisco, Amex Ventures, Sequoia, and Cyberstarts fund enterprise sales into regulated accounts.

What critics are saying

  • Snir Havdala left for Nvidia in July 2026, weakening product leadership.
  • Calcalist reported Cisco considered buying Zafran at a steep discount in July 2026.
  • Crowded CTEM competition can commoditize exposure management before Zafran scales globally.

What makes Zafran Security unique

  • Zafran's Exposure Graph coordinates existing tools across cloud, identity, endpoint, and firewalls.
  • December 2025 Series C tripled ARR and doubled valuation, validating product-market traction.
  • Cisco Investments and Google Threat Intelligence partnerships strengthen distribution and credibility.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Unlimited Paid Time Off

401(k) Retirement Plan

Health Savings Account/Flexible Spending Account

Home Office Stipend

Phone/Internet Stipend

Company News

Zafran
Aug 19th, 2026
Zafran Triples ARR in $60M Round to Reinvent Exposure Management

Zafran triples ARR and raises a $60M Series C led by Menlo Ventures to reinvent exposure management with agentic AI.

Newswire
Aug 3rd, 2026
Zafran launches Attack Chain Killswitch, built with Google Threat Intelligence, to break ai-powered attack chains.

Zafran launches Attack Chain Killswitch, built with Google Threat Intelligence, to break ai-powered attack chains. Google Threat Intelligence and Zafran's AI-native Exposure Graph combine global adversary intelligence with customer-specific context to help identify and stop AI-powered attack chains before they become breaches. NEW YORK, August 3, 2026 (Newswire.com) - Zafran Security, a pioneer in AI-native Continuous Threat Exposure Management, today announced "Attack Chain Killswitch", a new capability built with Google Threat Intelligence that helps organizations identify the few mitigation actions that disrupt the greatest number of attack paths before they lead to a breach. By combining Google Threat Intelligence, including frontline intelligence from Mandiant and VirusTotal, as well as Google's vast visibility. With Zafran's AI-native Exposure Graph, organizations can identify the few actions that disrupt the greatest number of attack chains before they lead to a breach. The launch comes as AI dramatically changes how attackers operate. Rather than relying on a single critical vulnerability, adversaries increasingly chain together multiple low and medium severity weaknesses, misconfigurations, and identity exposures to reach critical assets. Frontier AI can now assemble attack chains in minutes that once took skilled attackers months to build. "For the first time, we're seeing fully autonomous hacking operations. AI is far easier for the attacker to wield than the defender, who still has to protect business continuity and apply fixes safely," said Sanaz Yashar, CEO and Co-Founder of Zafran Security. "Zafran and Google threat intelligence together change that. Every asset, every attack vector, every security tool, mapped to our attack chain, so defenders can break the attack path before it's ever used, safely and without disrupting the business." Attack Chain Killswitch enables organizations to determine whether active attack campaigns can reach your environment. It maps how attackers would move across cloud and on premises infrastructure, then identifies the highest-impact choke points to stop attacks before they spread. By focusing on complete attack paths rather than individual CVEs, organizations can rapidly reduce risk using the security controls they already own. About Zafran Security Zafran Security is the first AI-native end-to-end Threat Exposure Management platform that helps security teams stop vulnerability exploitation everywhere. Using existing security tools, Zafran proves that 99% of critical vulnerabilities are not exploitable, then rapidly mitigates and remediates the 1% most likely to cause an incident. By bringing together discovery, prioritization, mitigation and remediation into a unified platform, Zafran helps enterprises reduce risk faster without adding operational complexity. Contact information:

Associated Press
Aug 3rd, 2026
Zafran launches Attack Chain Killswitch with Google Threat Intelligence to disrupt AI-powered attacks

Zafran Security has launched Attack Chain Killswitch, a new capability built with Google Threat Intelligence to help organisations identify and disrupt AI-powered attack chains before they result in breaches. The platform combines Google Threat Intelligence, including data from Mandiant and VirusTotal, with Zafran's AI-native Exposure Graph to pinpoint critical mitigation actions. The launch addresses a shift in cyber threats, where attackers increasingly chain together multiple low and medium severity vulnerabilities rather than exploiting single critical flaws. Frontier AI can now assemble these attack chains in minutes, a process that previously required months of skilled work. Attack Chain Killswitch maps potential attacker movement across cloud and on-premises infrastructure, identifying high-impact chokepoints to prevent attack spread whilst using existing security controls.

MSSP Alert
Jul 23rd, 2026
Cisco backs Zafran's exposure management strategy.

Cisco backs Zafran's exposure management strategy. July 23, 2026 Zafran Security has received a strategic investment from Cisco Investments, adding to the $130 million the company previously raised. Cisco joins investors including Sequoia Capital, Cyberstarts, Menlo Ventures, PSP Growth, Vintage Investment Partners, and Amex Ventures. The companies did not disclose the size of the new investment. Zafran is building a continuous threat exposure management platform that helps enterprises identify which vulnerabilities are most likely to be used as part of an attack path. The platform brings together data from endpoint, firewall, cloud, identity, and vulnerability management tools to show how an attacker could move through an environment. The company's Exposure Graph identifies points where several attack paths converge and helps security teams decide where remediation or mitigation will reduce the most risk. Zafran can also use existing security controls to apply validated changes, giving enterprises a way to act on exposure data without adding another separate enforcement layer. Cisco's investment reflects growing demand for platforms that connect vulnerability discovery with remediation. As attackers use automation to combine weaknesses and move faster through enterprise systems, security teams need clearer ways to prioritize action across the tools they already own. Zafran is positioning its platform as the coordination layer for that work. An in-depth guide to cloud security. Get essential knowledge and practical strategies to fortify your cloud security.

The Birmingham News
Jul 22nd, 2026
Zafran announces strategic investment from Cisco Investments.

Zafran announces strategic investment from Cisco Investments. ACCESS Newswire 22 Jul 2026, 18:33 GMT+ NEW YORK CITY, NY / ACCESS Newswire / July 22, 2026 / Zafran Security, a pioneer in AI-native Continuous Threat Exposure Management, today announced a strategic investment from Cisco Investments, extending its previously announced $130 million total funding. Cisco Investments joins existing investors including Sequoia Capital, Cyberstarts, Menlo Ventures, PSP Growth, Vintage Investment Partners, and Amex Ventures. The investment comes as enterprise security reaches an inflection point. AI is fundamentally changing how attacks are executed, enabling attackers to chain together multiple low-severity weaknesses into sophisticated attack paths at machine speed. As the time between vulnerability disclosure and exploitation continues to shrink, organizations have an extremely urgent situation to find vulnerability risk and remediate it before attackers do. They need to understand how attackers are most likely to move through their environment and reduce exploitable risk before those attack paths can be used. At the same time, enterprises have spent decades building best-in-class security programs. EDR, firewalls, cloud security platforms, identity systems, vulnerability scanners and countless other technologies all play an important role in defending the business. The challenge enterprises face today is the lack of a unified system that understands attack paths and coordinates action before an incident occurs. 'Organizations have made enormous investments in cybersecurity over the past decade. The opportunity now is to make those investments work together,' said Sanaz Yashar, CEO and Co-Founder of Zafran Security. 'AI has fundamentally changed how attackers operate, increasing the speed, scale, and sophistication of exploitation. Birminghamnews built Zafran to be the nerve center that helps organizations understand exploitability, identify where to act first, and mobilize the security controls they already have to reduce risk before exploitation occurs. Birminghamnews is proud to welcome Cisco Investments as Birminghamnews continue building that vision.' Built on its AI-native Exposure Graph, Zafran's Threat Exposure Management platform provides visibility into the attack paths that matter most and transforms existing security controls into a coordinated system of action. The platform identifies the critical choke points where multiple attack paths converge, enabling organizations to deploy safe, validated mitigations that reduce exploitable risk without disrupting the business. By turning fragmented security data into coordinated action, Zafran helps enterprises reduce exposure faster while maintaining business continuity. 'As the threat landscape grows increasingly complex in the AI era, the challenge for security teams has extended from identifying vulnerabilities to effectively orchestrating their remediation.' said Janey, Hoe, Vice President, Cisco Investments. 'We are excited to invest in Zafran to create a more unified, intelligence-driven security ecosystem that empowers our customers to better discover vulnerabilities and reduce risks in their infrastructure.' About Zafran Security Zafran Security is the first AI-native end-to-end Threat Exposure Management platform that helps security teams stop vulnerability exploitation everywhere. Using existing security tools, Zafran proves that 99% of critical vulnerabilities are not exploitable, then rapidly mitigates and remediates the 1% most likely to cause an incident. By bringing together discovery, prioritization, mitigation and remediation into a unified platform, Zafran helps enterprises reduce risk faster without adding operational complexity. Media Contact: