Senior HVAC Service Technician

Control Technologies•Portland, ME

11d

About The Position

CTI is seeking an experienced HVAC Service Technician for its Portland, Maine Service team. This hands-on field position combines HVAC service and troubleshooting with building automation, controls, commissioning, preventive maintenance, and technical field support. The technician will work on a wide range of HVAC equipment, diagnose mechanical and controls-related issues, support system start-ups and commissioning, and assist other technicians with advanced troubleshooting and system optimization. The role is suited to an experienced HVAC technician with a strong mechanical foundation who wants to build exposure to building automation.

Requirements

At least 5 years of HVAC mechanical experience.
Working knowledge of all HVAC system types.
EPA 608 Type II or Universal certification.
State of Maine Gas License.
Ability to interpret mechanical, electrical, and control schematics.
Comfort with diagnostic software, control interfaces, and field instruments.
Valid driver’s license and ability to travel to various job sites.
Strong communication skills and a professional presence.
Ability to lift 50 lbs.
Ability to stand, climb, kneel, and work in mechanical spaces.
Willingness to work in diverse environmental conditions.

Nice To Haves

State of Maine Gas License with Large Appliance Endorsement.
State of Maine Journeyman or Master Oil License – 1&2 Oils up to 15GPH or larger.
Building automation experience, including Niagara and Distech.
NH Gas License.

Responsibilities

Perform service and preventive maintenance on a wide range of HVAC equipment.
Conduct detailed electro-mechanical inspections and maintain system reliability.
Diagnose and repair HVAC system issues.
Perform assisted start-ups of various represented equipment.
Complete clear, timely service reports on the day of service, including parts used and system findings.
Update service documentation daily within CTI’s systems.
Commission, configure, and program control hardware and software.
Review system data, alarms, and trends to identify performance opportunities.
Update firmware, device parameters, and control configurations as needed.
Assist technicians with advanced troubleshooting and system optimization.
Provide professional on-site and remote support with a customer-first mindset.
Communicate system status, recommendations, and next steps clearly.
Build customer relationships through reliable follow-through and quality service.