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The County of DuPage
Wheaton, Illinois

Job Details for 3145b - Building Automation Control Systems Technician

Job Description

UNION: Local 399

Under general supervision; performs work of considerable difficulty in the operation, maintenance and repair of the Power Plant, tunnel, and County owned or leased facilities; installing, maintaining, programming and repairing HVAC electronic and pneumatic control systems for County facilities; performs related work as required.

An employee in this class is assigned duties which require independent actions, are recurring in nature and are carried out according to standard practices and general work instructions while performing skilled work in the installation, repair and maintenance of HVAC equipment, pneumatic and/or electronic controls; coordinating related work completed by contractors; and/or specific assignment of responsibility for a particular facility or group of facilities. Assignments are verbal or written and may include sketches, layouts or blue prints. General supervision is received for work in progress and at the end of a shift from a Facilities Manager or Facilities Supervisor.

The list of duties and responsibilities is illustrative only, and is not a comprehensive listing of all the duties and responsibilities performed by positions in this class.

• Operates, maintains,repairs all Power Plant, tunnel, and County owned or leased facilities, and related equipment (e.g. high temperature and high pressure hot water generators, high and low pressure steam boilers, centrifugal and absorption chillers, air conditioning units, high voltage electrical distribution and emergency electric power generators, air compressors, heat exchangers, pressure vessels, pumping systems, air handlers, vacuum and circulating pumps, hot water systems, circulating and ventilating fans, water softeners, steam traps, and other mechanical, steam, pneumatically or electrically powered equipment).
• Uploads, downloads, commissions, troubleshoots and supervises controls.
• Monitors the activities of sub-controllers.
• Installs, maintains, repairs and replaces piping, tubing and/or wiring as necessary to maintain proper operation of HVAC systems, closed water systems, or other devices controlled pneumatically or electronically.
• Maintains and backups server site director
• Cuts, taps, threads and flares pipe or tubing and makes joint connections; tests and troubleshoots complex electronic or pneumatic control equipment.
• Calibrates digital settings and/or actuators.
• Troubleshoots and repairs electronic /pneumatic controls For Air Handler Units (AHU), Variable Air Volume (VAV), Unitary Controller (UNT) and Variable Air Volume Modular Assembly (VMA)
• Scans, logs and assists in operating computer-controlled building automation systems and performs preventative maintenance on the microprocessors.
• Maintains records of work performed.
• Maintains inventory and stock of parts and equipment in the department.
• Secures and maintains technical data needed to perform assigned tasks.
• Submits suggestive list of items required for daily operations and maintenance.
• Balances HVAC systems.
• Provides practical building automation system and control training for department staff.
• Provides response to facilities’ occupant environmental requests.
• Performs scheduled preventive maintenance and cleaning of equipment.
• Conducts preventative maintenance checks and checks operation for proper functioning of equipment.
• Maintains inventory and recommends ordering of stock and materials to supervisor
• Provides assistance to other labor trades classifications.
• Plans work and completes estimates of time and materials to complete projects.
• On call on a rotating basis as assigned.
• Maintains regular attendance and punctuality.

• Adjusts work assignments and schedules in the event of an emergency to participate in emergency preparedness, response, and recovery activities as assigned.
• Depending on assignment may maintain required emergency management training, licensure and/or certifications.
• Performs related duties as required or assigned within job classification.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and /or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

Knowledge of:
• Current office practices, procedures and equipment
• County policies and procedures
• Applicable federal, state, and local laws, rules, regulations, codes, and/or statutes
• Controller configuration tools (CCT)
• Methods, materials, tools and practices used in operating and maintaining the Power Plant, tunnel, and County facilities, and related equipment
• Occupational hazards and safety precautions
• Methods and practices used in the maintenance and repair of plant and facilities equipment
• Computers and related software as applied to building automation, preventive maintenance, and work orders

Skill in:
• Using computer hardware and software including word processing, spreadsheets, databases, email, etc
• Applying an acquired knowledge of procedures, rules, regulations and services applicable to the assigned office
• Operating, maintaining, troubleshooting and repairing of Power Plant and facilities’ related equipment controls
• Preparing and maintaining accurate logs, records, and reports
• Following and enforcing necessary safety precautions

Ability to:
• Manage projects and multiple priorities simultaneously
• Establish and maintain effective working relationships with department and division staff, other departments and others, such as vendors
• Communicate and use interpersonal skills to interact with coworkers, supervisor, the general public, etc. to sufficiently exchange or convey information and to receive work direction
• Ensure compliance with applicable federal, state, and local laws, rules, and regulations and statutory requirements
• Convey excellent oral and written communication
• Work effectively under stress
• Maintain confidentiality


Four years experience in building controls and automation, including troubleshooting, diagnosis and repair of systems and completion of college level or Johnson Controls Building Management System courses in pneumatics, hydraulics, electricity, electronics, programming, installation, or an equivalent combination of training and experience.

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is regularly required to stand, walk, use hands, arms, and feet to push, pull and operate tools and equipment, climb, crouch, stoop, crawl and lift, carry and handle up to 50 lbs.

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

The work environment for this position frequently includes working near moving mechanical parts, in precarious places, with fumes or airborne particles, in cramped or confined spaces, and with potential hazards high temperature hot water/steam, chemicals, refrigerant, and low temperature walk-in refrigerators.