Johnson Controls - 2600 Old Happy Jack Rd [Maintenance Technician] As a HVAC Mechanic Apprentice at Johnson Controls, you'll: Perform all assigned work under the direction of the Employer; Perform all pneumatic control systems and mechanical equipment service and all other work coming under the labor agreement assigned by the Employer; Troubleshoot and resolve problems; Respond to basic warranty calls; Keep JCI, contractors, and the customer informed of job progress and issues as needed...Hiring Immediately >>