Head of Proactive Security

Nebius — Tel-Aviv, Tel-Aviv District, Israel · In-Person · Mid

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Role description

Role Overview

Establish and lead the Proactive Security pillar, anticipating threats, challenging defenses, and converting findings into measurable security improvements. This is a hands-on leadership position for someone who combines offensive-security depth, threat-led thinking, strong operational judgment, and the ability to influence product, engineering, infrastructure, and security stakeholders.

What You Will Do

Define the Proactive Security strategy, build and lead high-performing teams, create a unified intelligence-led program, prioritize work based on crown jewels and emerging threats, and provide clear visibility into adversary exposure.

Why It Might Be a Fit

The ideal candidate has extensive cybersecurity experience, including leadership responsibility in offensive security, penetration testing, threat hunting, threat intelligence, detection engineering, or incident response.

Requirements

  • Extensive cybersecurity experience
  • Leadership responsibility in offensive security, penetration testing, threat hunting, threat intelligence, detection engineering, or incident response
  • Proven experience building or scaling multidisciplinary security teams and programs
  • Strong technical understanding of modern cloud environments, identity systems, applications, APIs, networks, endpoints, containers, and production infrastructure
  • Demonstrated experience planning and delivering red-team operations, penetration tests, or adversary-emulation exercises
  • Practical knowledge of threat-hunting methodology, telemetry, detection logic, and investigation workflows
  • Experience producing and operationalizing strategic, operational, and tactical threat intelligence
  • Strong understanding of adversary behavior and frameworks such as MITRE ATT&CK
  • Excellent communication and executive-presentation skills
  • Sound judgment regarding authorization, operational safety, confidentiality, evidence handling, and responsible disclosure

Benefits

  • Competitive compensation
  • Career growth and learning opportunities
  • Flexibility and ownership
  • Collaborative and innovative culture
  • Opportunity to work on impactful AI projects
  • International environment and talented teams

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