CO2 Service Technician. OB SUMMARY. The. CO2 Technician. position will install beverage CO2 tanks to local customers on a scheduled route or intermittently. Records deliveries and pick-ups on a load manifest and obtains signatures from customers for receipt purposes. Listens to and resolves service inquires and complaints. Load/unload truck. Performs pre and post trip vehicle inspections, documenting deficiencies and ensures all safety items are ...