Field Service Engineer (Fire) (w/m/d)

Provide on-site technical service and remote support for fire alarm and life-safety systems. Handle commissioning, maintenance, inspections, repairs, diagnostics, and system testing, while also supporting customers via phone, email, and remote access. Create service documentation and reports, perform root-cause analysis, and support escalations. Partner with Technical Support, Engineering, product management, and sales to deliver reliable system operations and improve service quality.