Senior HVAC Service Technician

HTS Engineering Ltd.•Portland, ME
•$30 - $60•Onsite

About The Position

Control Technologies, Inc. (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 offers an experienced HVAC technician the opportunity to build on a strong mechanical foundation while gaining exposure to building automation. CTI is an independent building systems integrator serving New England and New York City. The company has operated for over 30 years and emphasizes investment in employee growth and success. The position offers an hourly rate of $30–$60 and is part of CTI’s award-winning team. CTI is an Equal Opportunity, Affirmative Action, and E-Verify Employer.

Requirements

  • At least 5 years of experience in HVAC mechanical work.
  • 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 pounds.
  • 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 for 1&2 Oils up to 15 GPH or larger.
  • Building automation experience, including Niagara and Distech.
  • New Hampshire Gas License.

Responsibilities

  • Perform service and preventive maintenance on a wide range of HVAC equipment.
  • Conduct detailed electromechanical inspections and maintain system reliability.
  • Diagnose and repair HVAC system issues.
  • Perform assisted start-ups of represented equipment.
  • Complete clear and timely service reports on the same day as 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.
  • Deliver professional on-site and remote support with a customer-first mindset.
  • Communicate system status, recommendations, and next steps.
  • Build customer relationships through reliable follow-through and quality service.
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