Field CISO

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 deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role We’re looking for a Field Chief Information Security Officer (CISO) – US to serve as Nebius’ executive security voice as we expand our AI infrastructure platform across the U.S. enterprise market. This is a high-impact, market-facing leadership role at the intersection of security strategy, enterprise sales, and product influence. The Field CISO will act as a trusted advisor to customer CISOs, help accelerate strategic enterprise deals, and ensure Nebius’ security capabilities evolve to meet the complex and rapidly changing demands of U.S. organizations adopting AI infrastructure at scale. As a senior individual contributor within the Security Products organization, this role reports to the Head of Security Products and partners closely with the CISO, Platform Security, Product, Legal, Compliance, Marketing, and Go-To-Market teams. This is a remote, US-based position with national scope, focused on enterprise and strategic accounts. Your responsibilities : Act as the voice of the customer within Security Products, influencing the roadmap and capability evolution Advance Nebius’ credibility and long-term security narrative as a trusted AI infrastructure provider in the U.S. enterprise market Align Nebius’ security posture with U.S. enterprise risk frameworks and regulatory expectations Build long-term advisory relationships and lead a U.S. Customer Security Advisory Board Collaborate cross-functionally with CISO, Legal, Compliance, Sales, Marketing, and Partnerships teams to strengthen market positioning Lead executive-level security discussions, deep-dive architecture sessions, and risk alignment engagements Manage customer security escalations requiring executive credibility and technical fluency Partner with Product, Platform Security, and Engineering to ensure enterprise-grade AI workload, data, identity, and governance controls Serve as an executive peer to CISOs and senior security leaders across U.S. enterprise organizations Shape RFP strategy, security positioning, and executive narratives for high-value opportunities Support late-stage strategic deals by addressing complex security, risk, regulatory, and architecture concerns Translate enterprise security expectations into actionable recommendations for Product and Security teams We expect you to have: 12+ years of experience in cybersecurity; 5+ years in a security leadership role; Experience as one of the following: Hyperscaler security leader, Senior security executive at a cybersecurity vendor, CISO in a growth-stage or mid-market company, or senior security leader within a large enterprise environment; Deep understanding of: Cloud security architectures, AI infrastructure security considerations, Identity & access management, Encryption & key management, Logging, monitoring, and detection, and Enterprise risk frameworks; Demonstrated ability to engage credibly with Fortune 500 CISOs as a peer; Experience influencing complex enterprise deals in security-sensitive environments; Strong communication skills with the ability to simplify complex architecture for business stakeholders; Proven ability to translate customer feedback into product strategy; Experience working cross-functionally with Product and Engineering leadership. It will be a bonus if you have: Experience in AI security or securing large-scale compute environments; Background at a Cloud Service Provider or hyperscaler; CISSP or equivalent security certification. Compensation We offer competitive salaries, ranging from $169k- $254k base equity + quarterly performance bonuses Benefits & Perks: Competitive compensation Career growth and learning opportunities Flexibility and work-life balance Collaborative and innovative culture Opportunity to work on impactful AI projects International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.