Maintenance Mechanic

Maintenance MechanicThis position serves as a Maintenance Mechanic at the United States Botanic Garden (USBG), performing journey-level and developmental work across multiple skilled trades, including HVAC, electrical, plumbing/pipefitting, boiler plant operations, and carpentry.Employees selected at the WG-09 level will perform developmental assignments under closer supervision.As experience and proficiency increase, assignments become progressively more complex until the full performance level is reached. This is a career ladder position with promotion potential to WG-11.This is an essential position. The incumbent is required to report to work during emergencies and inclement weather.The position requires availability from Saturday through Wednesday, 10:00 a.m. to 6:30 p.m. Candidates should be prepared to work during holidays, weekends, and participate in rotating shifts as needed to support operational requirements.Duties quoted below are for the WG-10 grade level.Major Duties Include:Maintain, troubleshoot, repair, install, and operate a wide range of commercial and industrial HVAC systems.Diagnose control and equipment malfunctions using testing instruments and prescribed procedures.Perform repairs involving heating, cooling, humidification, dehumidification, filtration, and air circulation systems supporting USBG facilities and greenhouses.Balance systems and resolve complex HVAC performance issues.Install, maintain, troubleshoot, and repair electrical control and monitoring systems.Diagnose malfunctions in relay systems, interface devices, and analog/digital controls.Test electrical systems for correct operating conditions and compliance with applicable codes.Install, alter, maintain, troubleshoot, and repair high- and low-pressure piping systems.Work on domestic water, sewage, steam generation, hydronic heating, fire sprinkler, irrigation, and tempered water systems.Construct, install, repair, and modify wood and wood substitute structures.Perform glazing, painting, finishing, and installation of partitions, flooring, ceilings, countertops, moldings, and greenhouse glazing components.Safely operate hand and power woodworking tools.Operate, maintain, troubleshoot, and repair low- and medium-pressure boilers and associated auxiliary equipment.Conduct scheduled preventive maintenance, inspections, and seasonal system shutdown/startup activities.Monitor and adjust computer-operated environmental control systems supporting greenhouse environments.Perform fleet and automotive maintenance, small engine repair, fire alarm system maintenance, water reverse osmosis system repair, elevator inspection, and event setup/breakdown.Sustain efficient combustion levels and ensure compliance with air pollution laws or regulations.Chlorofluorocarbon (CFC) certification by an EPA-Approved Technician's Certification Program is desired.WG?09: Exposure to refrigerant handling; certification preferred upon entry.WG?10: EPA 608 CFC certification strongly preferred; candidates should be able to service refrigerant?bearing systems.WG?11: EPA 608 CFC certification required or obtained within 6 months; leads complex HVAC system service and compliance.