Physical Security Systems Technician

Physical Security Systems Technician - IT & Infrastructure -- We are looking for a hands-on Physical Security Systems Technician to support deployment, validation, and maintenance of physical security infrastructure across our European sites. This role focuses on execution — installation, configuration, testing, and documentation of CCTV and access control systems. The ideal candidate combines strong technical skills with a structured approach to testing and documentation, ensuring systems are properly validated 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 system issues 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, and compliance with design Identify, track, and help resolve issues found during testing Documentation Produce and maintain accurate technical documentation (network diagrams, device inventories, configurations) Create and maintain SAT reports, test cases, and validation checklists Document system changes, incidents, 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 European locations 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) Ability to produce clear technical documentation and reports Basic networking knowledge (IP addressing, VLANs, PoE) Basic Linux knowledge (logs, services, basic troubleshooting) Strong troubleshooting skills across hardware and software Willingness to travel within Europe Good communication skills and ability to work independently Preferred Qualifications Experience with VMS platforms Familiarity with access control systems Experience in data center or enterprise environments Knowledge of low-voltage cabling standards Exposure to structured testing methodologies (SAT, UAT, commissioning) Key Traits Hands-on and execution-focused Detail-oriented and structured Strong sense of ownership for quality and completeness Clear and disciplined in documentation Comfortable working across multiple sites and environments Benefits & Perks: Competitive compensation Career growth and learning opportunities Flexibility and ownership Collaborative and innovative culture Opportunity to work on impactful AI projects International environment and talented teams Whats 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. 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.