HVAC/DDC Technician – Operations & Maintenance

System One • Catonsville, MD, United States • Posted June 29, 2026

Location Catonsville, MD
Job Type Full-time
Category other-general
Posted June 29, 2026
Job Title: HVAC/DDC Technician – Operations & Maintenance
Location: Catonsville Md, MD
Type: Direct Hire
Compensation: $75,000.00 - $80,000.00

Responsibilities


+ Support the operation, inspection, troubleshooting, and maintenance of HVAC equipment, Building Automation Systems (BAS), Direct Digital Control (DDC) systems, steam and hot water systems, chillers, air handling units, geothermal heat pumps, and related energy management equipment.

+ Perform preventive maintenance activities on boilers, chillers, air handling units, cooling towers, geothermal heat pumps, water heaters, and related mechanical equipment.

+ Monitor equipment performance and identify abnormal operating conditions, conducting system testing, adjustments, calibration, and verification of proper operation.

+ Conduct steam trap inspections and assist with repair or replacement activities, along with chemical water treatment monitoring and related maintenance act...

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