Technical Project Manager - 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 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 RD 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 RD. Key Responsibilities Lead large cross-team security initiatives from planning to delivery; Break down complex security programs into phases, milestones, dependencies, and execution plans; Coordinate execution across multiple engineering and platform teams, ensuring alignment and momentum; Translate product requirements into clear, actionable workstreams for engineering teams; Build and maintain project plans, documentation, decision logs, and technical context; Run regular project syncs and reviews - track progress, identify blockers early, and drive mitigation; Own timeline tracking and delivery forecasting - proactively highlight risks and trade-offs; Partner closely with Product Managers to orchestrate execution across multiple teams; Improve delivery transparency through clear status reporting, milestone tracking, and stakeholder communication; Ensure cross-team dependencies are surfaced early and resolved before becoming blockers. What We Expect Strong technical awareness in security and Cloud environments, with solid understanding of: Cloud and infrastructure security principles Kubernetes and container security IAM Fundamentals Cloud networking concepts (VPC, Security Groups) Security tooling and platforms Experience driving execution in complex, multi-team technical environments; Strong project decomposition and execution management skills; Ability to coordinate and run structured cross-functional processes across engineering and product teams; Strong communication skills: concise status reporting, clear risk communication, and stakeholder alignment; Experience working closely with both product managers and engineering managers in platform or infrastructure-heavy environments. Nice to Have Experience working with Cloud platforms, distributed systems, or AI/ML infrastructure environments; Experience working at a Cloud Service Provider; Familiarity with advanced security domains such as confidential computing or federated computing; Background in high-scale infrastructure or platform organizations. Success In This Role Security initiatives are delivered predictably, with clear execution plans and realistic timelines; Cross-team alignment is strong across product and engineering for complex security programs; Risks and dependencies are identified early and actively managed; Execution of security priorities becomes smoother, with reduced friction across teams; Stakeholders have clear visibility into progress, risks, and next steps. About Nebius Nebius AI is an AI cloud platform with one of the largest GPU capacities in Europe. Launched in November 2023, the Nebius AI platform provides high-end, training-optimized infrastructure for AI practitioners. As an NVIDIA preferred cloud service provider, Nebius AI offers a variety of NVIDIA GPUs for training and inference, as well as a set of tools for efficient multi-node training. Nebius AI owns a data center in Finland, built from the ground up by the company’s RD team and showcasing our commitment to sustainability. The data center is home to ISEG, the most powerful commercially available supercomputer in Europe and the 16th most powerful globally (Top 500 list, November 2023). Nebius’s headquarters a ... (truncated, view full listing at source)