support, networking, technology, computing equipment, it infrastructure, technology infrastructure, audio-visual, av system, audio visual system, commission specialist, commissioning specialist, field commission, field engineer, field technician, Crestron, nvx, control panel, av programmer, extron, biamp, qsc, avixa, cts, unified communications, UC, vtc, video teleconference, videoteleconference, service technician, field technician, service activities, customer service, operation efficiency, delivery report, service management, service operations, service manager, field manager, field service manager, service department, customer satisfaction, service activity, service activities, Essential Duties of the Field Service Manager: Managing the success and efficiency of a team of service technicians, coordinating service activities against contractual and on-demand requests, and liaising with customers to resolve any service-related issues.