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Commercial HVAC Controls Journeyman Service Technician - Union

Job in Farmingdale, Nassau County, New York, 11735, USA
Listing for: Viessmann Climate Solutions
Full Time position
Listed on 2026-07-01
Job specializations:
  • Trades / Skilled Labor
    Field/Service Technician, Installation Technician, HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic
Job Description & How to Apply Below
Location: Farmingdale

Controls Technician

Carrier Global Corporation, global leader in intelligent climate and energy solutions, is committed to creating solutions that matter for people and our planet for generations to come. From the beginning, we've led in inventing new technologies and entirely new industries. Today, we continue to lead because we have a world-class, diverse workforce that puts the customer at the center of everything we do.

For more information, visit

As a Controls Technician, you will play a key role in supporting Carrier's service operations by maintaining, troubleshooting, and commissioning DDC control systems integrated with HVAC equipment. We are seeking a motivated, detail-oriented technician who is committed to delivering excellent service and strong customer support. This position provides a foundational entry point into the controls field, where you will build your technical expertise through hands-on work with control systems, software, and field devices.

You will begin by performing routine troubleshooting and service tasks, with assignments increasing in complexity as your skills grow.

This is a role for someone who thrives on challenges, not someone who wants to be stuck behind a desk. You'll be out in the field, solving problems others can't, with access to world-class training, cutting-edge tools, and an environment that fosters continuous learning.

Being great at this job means combining deep technical knowledge with top-notch communication and customer service skills. That's the Carrier way.

What You Will Do
  • Controls technician is responsible for maintenance and repair of DDC controls systems applied to HVAC systems.
  • Responsibilities include installing, calibrating, testing, troubleshooting, verifying communication between controllers.
  • Maintain electronic components installed in the field as well as any Carrier software and graphics.
  • Technician will be responsible for uploading any software or software upgrades to frontend PC's  to keep the system updated.
  • Technician may be required to provide customer basic training on operating and navigating the Carrier Building Automation System.
  • Technician will need to be able to work under limited supervision for routine service situations.
  • Experience interacting with a large and diverse number of simultaneous challenges, requiring knowledge of multiple disciplines.
Role Purpose
  • Adheres to all CCS and customer safety standards. Promotes safety awareness on work sites.
  • Communicates with customer upon arrival and before leaving the facility. Ensures high levels of customer satisfaction. Meets regularly with customers representative to become familiar with operation of customer facility. Keeps customer informed of the nature of service we are onsite to perform.
  • Communicates outstanding issues and recommends system enhancements, upgrades, and/or repairs. Is observant of additional opportunities we may have to solve issues. Works with service account manager to engineer and estimate solutions.
  • Performs system maintenance in accordance with established service practices and direction including field controllers, servers and workstations and field hardware. Maintains feedback of equipment scheduling and modifications needed to service account manager.
  • Commissioning/Start-up of controls systems, Test project programs to ensure specified sequences of operation are met and perform accordingly to customer and industry standards.
Minimum Requirements
  • High School Diploma or GED
  • 2+ years' experience in HVAC controls.
  • 5+ years' experience in Commercial HVAC.
  • Possess and maintain valid and current Driver's License and be insurable by the company's insurance carrier.
  • Willingness to participate in rotating on call schedule.
  • Must be able to stand, crawl, sit, squat of extended period of time, climb a ladder, and the ability to lift equipment 8 ft above grade
  • Ability to Push / Pull / Lift 50lbs
Preferred Qualifications

Other experience and qualities you may have that would be beneficial in this role include:

  • Excellent communication skills, both written and verbal
  • Experience using Salesforce and Service Max is a plus
  • Experience with Carrier controls, CCN, IVU, and controls…
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