SEAN HALLORAN
Nampa
Summary
Dedicated and hardworking Service Technician with a six year background in Supermarket Refrigeration and EMS service. Knowledgeable in on-site installation and service, providing top-notch customer service, and documenting all service tasks and processes. Reviewing building control systems and refrigeration schedules in order to find ways that power consumption can be minimized by suggesting programming changes such as floating suction/head pressure, defrost schedule and termination, door switch shutdown, motion sensors, night setbacks, lighting schedules, and HVAC control schedules.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Journeyman Service Technician
Refrigeration Unlimited Inc
Boise, ID
09.2021 - 12.2025
- Diagnosed and repaired mechanical issues in HVAC systems, ensuring optimal performance and reliability.
- Conducted routine maintenance on equipment, enhancing operational efficiency and reducing downtime.
- Collaborated with team members to troubleshoot complex technical problems, improving service response time.
- Trained junior technicians on best practices for installation and repair procedures, fostering skill development.
- Audited supermarket rack systems to check for areas where energy efficiency can be improved without major changes to systems.
SERVICE TECHNICIAN
ColdTech Refrigeration LLC
Meridian, ID
09.2019 - 09.2021
- Observed all safety protocols, sanitation requirements, OSHA, and EPA guidelines.
- Responded to service requests and on-call emergencies with timeliness and professionalism.
- Documented machine information in work orders; and labeled equipment for accurate identification.
- Provided maintenance services for commercial refrigeration systems.
- Executed troubleshooting and diagnosis for errors or malfunctions of equipment.
- Interpreted engineering drawings, flow sheets, and piping drawings to verify proper execution of service procedures.
REFRIGERATION AND AIR CONDITIONING TECHNICIAN
Kore Refrigeration
Nampa, ID
05.2017 - 09.2019
- Performed regular preventive maintenance tasks to prolong lifespan and utility of equipment.
- Provided timely repairs and helpful performance recommendations to boost customer confidence and satisfaction.
- Executed diagnostics and repair of system valves, controls and pumps.
- Installed and set up thermostats, humidistats, and timers.
- Installed pipe supports, copper, steel, and refrigerant lines.
- Tested piping connections and joints to determine the presence of any leaks.
Education
Transcritical Booster, Cascade, and Pumped CO2 Systems
Rusty Walker HillPhoenix CO2 Certification Program
Conyers, GA09.2020
High School Diploma - undefined
Grayslake Central High School
Grayslake, IL05.2012
Journeyman Refrigeration License - HVAC/R
UA 296 Apprenticeship Program
Meridian09-2024
Skills
- Troubleshooting and diagnosis
- Equipment maintenance and installation
- Use of Oxy/Acetylene torch
- Timely completion of work orders
- Programming of EMS Controls
- Politely and calmly explaining issues to customers
- Working with CFC/HCFC Refrigeration and Transcritical CO2 Refrigeration systems
Certification
- Refrigeration Mentor 6 Week CO2 Training - 12/20/2022
Timeline
Journeyman Service Technician
Refrigeration Unlimited Inc
09.2021 - 12.2025
SERVICE TECHNICIAN
ColdTech Refrigeration LLC
09.2019 - 09.2021
REFRIGERATION AND AIR CONDITIONING TECHNICIAN
Kore Refrigeration
05.2017 - 09.2019
High School Diploma - undefined
Grayslake Central High School
Transcritical Booster, Cascade, and Pumped CO2 Systems
Rusty Walker HillPhoenix CO2 Certification Program
Journeyman Refrigeration License - HVAC/R
UA 296 Apprenticeship Program