Physical Security Systems Technician - IT & Infrastructure

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 are looking for a hands-on Physical Security Systems Technician to support deployment, validation, and maintenance of physical security infrastructure across our sites throughout the United States. This role is based in New York, and requires frequent travel to support installations, upgrades, testing, and operational activities at multiple locations nationwide. The ideal candidate combines strong physical security systems knowledge with practical IT infrastructure experience, including networking, Windows/Linux systems, storage platforms, and log analysis. They will ensure systems are properly deployed, validated, documented, and production-ready. Key Responsibilities Installation & Support • Install, configure, and maintain CCTV systems (cameras, NVRs/DVRs, VMS) • Support access control systems (badging, controllers, readers, permissions) • Perform hardware replacements (cameras, readers, controllers, cabling components) • Troubleshoot physical security system issues across network, hardware, operating system, and application layers • Support Windows and Linux-based systems supporting physical security platforms • Assist with storage systems used for video retention and evidence management Testing & Validation • Execute system testing after installations and changes • Develop and run Site Acceptance Testing (SAT) procedures for new deployments • Validate system performance, coverage, failover scenarios, storage retention, and compliance with design requirements • Identify, track, and help resolve issues found during testing • Verify network connectivity, device health, and system integrations Documentation • Produce and maintain accurate technical documentation (network diagrams, device inventories, configurations, system architecture) • Create and maintain SAT reports, test cases, and validation checklists • Document system changes, incidents, troubleshooting activities, and resolutions • Ensure documentation is structured, standardized, and audit-ready Deployment & Operations • Support system upgrades, migrations, and new site rollouts • Work with vendors and integrators to ensure quality delivery • Provide on-site and remote support across multiple locations throughout the United States • Monitor and troubleshoot system logs to identify operational issues and root causes • Ensure systems comply with internal standards and security requirements Required Qualifications • 2+ years of hands-on experience with physical security systems (CCTV, access control) • Experience installing and configuring cameras and access control hardware • Experience with system testing, commissioning, SAT, or similar validation activities • Ability to produce clear technical documentation and reports • Solid IT infrastructure knowledge, including: • Networking (TCP/IP, VLANs, routing basics, PoE, DNS, DHCP) • Windows administration and troubleshooting • Linux administration, services, logs, and basic troubleshooting • Storage technologies and capacity managemen