Pearce provides technical maintenance, repair, operations, and engineering services for uninterruptible power supply (UPS) systems, backup power generators, battery energy storage systems (BESS), critical cooling systems, and other electrical and mechanical infrastructure across end markets such as renewable energy, telecom, and data centers. – Prepare complete, audit-ready daily reports and as-builts, including marked-up drawings, equipment/cable schedules, labeled photos, test results, punch lists, and closeout records.