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Head of Proactive Security

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployme

Company

Nebius

Location

Tel Aviv, Israel

Status

Open

Posted

2026-08-28T09:43:49+00:00

Nebius is hiring a Head of Proactive Security in Tel Aviv. Reporting to the CISO, the leader would build and run a proactive security group covering red teaming, penetration testing, threat hunting, and threat intelligence. The work includes strategy and roadmap, adversary simulations, risk-based testing, hypothesis-driven hunts, and intelligence analysis. The posting asks for offensive-security experience, threat-led judgment, and the ability to influence product, engineering, infrastructure, and security teams. It is a hands-on management role at an AI cloud company, with security work across cloud, identity, applications, infrastructure, and endpoints.