Maintenance Mechanic

Maintenance Mechanic

This 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.