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O'Brien Fabrications HVAC Service Technician Join a Team That's Heating Up the Industry! Are you a seasoned HVAC professional ready to take your skills to the next level? Do you thrive in a fast-paced, team-oriented environment where your expertise and leadership matter? O'Brien Fabrications is looking for a highly skilled HVAC Service Technician to help grow our HVAC service and refrigeration division. If you're passionate about quality workmanship, precision, and professional growth, this is …