Project Manager — Cyber Security PMO

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 Nebius is looking f or an execution-focused Project Manager to join the Cyber Security PMO, reporting directly to the Head of PMO under the CISO. You will own the delivery of complex, cross-domain security initiatives from initiation through to full deployment working closely with global stakeholders across Security, IT, Engineering, Product, Legal, and Privacy to ensure alignment, accountability, and consistent execution. You’re welcome to work in our offices in Amsterdam, Netherlands. Your responsibilities will include: Project Management • Lead cross-domain security initiatives through the full project lifecycle from project charter and scope definition through planning, execution, monitoring, and formal closure. • Develop and maintain comprehensive project management artifacts including project plans, work breakdown structures, RAID logs, decision registers, and lessons learned documentation. • Decompose complex security programs into clearly defined phases, milestones, deliverables, and interdependencies ensuring each workstream has a named owner and accountable timeline. • Manage all project tracking, scheduling, and portfolio visibility in Jira, maintaining board hygiene, accurate status, and executive-ready reporting at all times. Communication & Reporting • Produce consistent, accurate, and concise project status reports for the Head of PMO, CISO, and senior leadership surfacing progress, risks, decisions, and next steps with clarity. • Maintain a regular reporting cadence across all active projects, ensuring stakeholders are informed, aligned, and equipped to make timely decisions. • Adapt communication style, depth, and format to the audience from technical engineering teams to executive leadership and global cross-functional partners. • Document and distribute meeting outcomes, action items, and decision logs in a timely and structured manner. Focal Point for All Project Stakeholders • Serve as the primary point of contact and accountability for all project stakeholders across Security, IT, Engineering, Product, Legal, Privacy, and Finance. • Manage global stakeholders across multiple geographies and time zones maintaining alignment, managing expectations, and ensuring no party is out of sync with project status or direction. • Facilitate structured project governance including kick-off meetings, steering committees, cross-team syncs, and retrospectives. • Build and sustain effective working relationships with stakeholders at all levels, from individual contributors to C-suite executives. End-to-End Project Execution • Drive project execution from initiation to deployment and closure maintaining accountability for scope, schedule, quality, and delivery outcomes at every stage. • Coordinate execution across multiple teams simultaneously, ensuring dependencies are identified early, handoffs are clear, and momentum is sustained throughout the project lifecycle. • Proactively monitor delivery progress against baseline plans, forecast deviations befor