Mechanical Systems Engineer - Facilities Maintenance

Job Posting

Performs diagnostic troubleshooting and the repair and maintenance of various mechanical systems and their associated electronic controls in county properties. These systems include but are not limited to: refrigeration equipment up to 390 ton machines, steam and hot water boiler systems up to 400 hp, cooling towers up to 875 ton capacity, pump motors up to 30 HP, low voltage control systems. Utilize a computer based Facility Management System (FMS) software program to monitor, diagnose and adjust the controlled systems under the software's authority. This job is a manual, physically demanding work done both indoors and in extreme temperatures of the outdoors as required.

HVAC:

• Independently troubleshoot and repair HVAC/mechanical/control malfunctions in systems listed above.
• Keep accurate records of refrigerant usage and refrigerant loss for each machine as required by the Clean Air Act and Montreal Protocol.
• Provide required preventative maintenance and repair of systems listed above and on assorted mechanical equipment.
• Perform water testing on open and closed loops for heating and cooling equipment. Adjust chemical per test results.
• Design and layout primary wiring service for motors and equipment under County responsibility.
• Perform preventative maintenance tasks to keep systems and devices working properly and safely. This will sometimes include working on live (energized) systems, circuits and devices with voltages of 480 VAC.
• Perform preventative maintenance on assorted mechanical equipment.
• Fabricate and install sheet metal ductwork in the properties as needed.
• Diagnose, evaluate present condition and repair as necessary high and low pressure duct systems; including air handlers and related equipment.
• Make needed modifications to gas supply lines as needed. (Not including welded lines.)

Electrical:

• Install a variety of electrical fixtures, devices and equipment.
• Repair existing electrical equipment and devices.
• Repair or replace light fixtures including ballast, lamp holder and lamp replacement.
• Test and repair special circuits such as GFCI, control circuits, switch legs and other electrical circuits.
• Troubleshoot and repair breakers, terminals, relays, contactors and related equipment.
• Perform preventative maintenance on assorted electrical equipment, security equipment and mechanical equipment.
• Install conduit, electrical boxes, install and connect wiring.
• Service and repair cameras and security monitors.

Plumbing:

• Repair existing plumbing and gas systems and devices.
• Replace, clean and repair flush valves, radiator valves, steam traps, faucets, water-temperature regulators and other devices.
• Troubleshoot or maintain and repair sewer ejector pumps, sewer pits, floats and related equipment.
• Cut, thread, solder, silver-solder, braze, weld, and hang pipe.
• Knowledge of the basic methods, practices and procedures of a plumber's trade.

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