Troubleshoot and repair all mechanical functions, mechanical drive units, industrial hydraulic and pneumatic powers, plumbing architectures, AC and DC circuits, electrical sensors and switches, motor controls, and servo controllers, safety circuits which include E-stops, light curtains, floor mats, safety relays, and safety switches. Cornerstone Building Brands' broad, multi-channel distribution platform and expansive national footprint includes more than 18,800 team members at manufacturing, distribution and office locations throughout North America.