Gilbert Carlson
MARYSVILLE,WA
Summary
Experienced Refrigeration Technician skilled in troubleshooting, HVAC system maintenance, and safety compliance. Proven ability to lead teams and enhance service efficiency through effective communication and collaboration.
Overview
1
1
Certification
26
26
years of professional experience
Work History
Refrigeration Technician
SnoValley Process Solutions
Everett, Washington
12.2024 - 04.2026
- Inspected refrigeration systems for leaks and proper functionality.
- Diagnosed equipment issues using diagnostic tools and techniques.
- Performed troubleshooting and specific diagnostic tests to diagnose malfunctions.
- Uncovered and corrected leaks with individual units and full refrigeration systems.
- Repaired or replaced defective parts in refrigeration systems such as motors, compressors, condensers, evaporators and valves.
- Repaired and replaced components in cooling systems as needed.
- Completed repairs, scheduled, and predictive maintenance on different equipment and systems.
- Performed preventive maintenance on refrigeration systems, including lubricating parts and cleaning coils.
- Adjusted and repaired systems to meet manufacturers' performance specifications.
- Read and understood schematics in order to work on specific models.
- Followed safety protocols while handling refrigerants and tools.
- Sustained safety protocol, ensuring proper, cost-effective and safe handling equipment and material usage while adhering to regulatory standards and building codes.
- Collaborated with team members to streamline service processes, enhancing overall efficiency.
- Documented service activities in maintenance management software.
- Trained and guided employees on correct methods for performing different repairs and maintenance services.
- Assisted in training new technicians on best practices and procedures.
- Planned work procedures using charts, technical manuals and experience.
- Led teams to complete large installation projects on time and within specific parameters outlined in customer documentation.
- Tested equipment following each install to determine efficiency and proper functionality.
- Tested pipe, tubing joints, and connections for leaks.
- Troubleshot complex problems with commercial-grade chillers using diagnostic tools like thermometers, voltmeters and ammeters.
- Reconfigured existing equipment for improved efficiency and performance.
- Calibrated instruments used to measure pressure, temperature, flow rate and other variables in the system.
- Inspected job site before project start to identify obstacles and resolve issues.
- Communicated with clients during service calls for top-quality customer service.
- Reviewed work orders and discussed with supervisors.
- Analyzed test results from laboratory samples taken from air conditioning units.
- Resolved customer issues related to malfunctioning refrigeration units.
- Cut and drilled holes in floors, walls and roofs to install equipment using power saws and drills.
- Repaired and modified heating, ventilating and air conditioning (HVAC) systems to improve efficiency.
- Installed furnaces, boilers and A/C units in new and existing buildings and assessed functionality of existing units.
- Maintained detailed repair logs to support accurate documentation and service continuity. made, labor time and parts used to calculate bill.
- Resolved customer issues related to malfunctioning refrigeration units.
- Calibrated instruments used to measure pressure, temperature, flow rate and other variables in the system.
Ammonia Refrigeration Technician
Lineage Logistics - Cold
Seattle, Washington
05.2023 - 12.2024
- Monitored and operated systems to maintain optimal functionality and prevent downtime.
- Implemented process improvements that enhanced overall system performance and reliability.
- Conducted routine maintenance on equipment and systems regularly.
- Performed daily inspections of plant systems, identifying potential problems and taking corrective action.
- Monitored system performance to ensure availability of services to authorized users.
- Responded to system alerts and troubleshot issues promptly.
- Collaborated with team members to enhance operational workflows effectively.
- Interpreted results of process control analysis and made adjustments to optimize plant performance.
- Conducted safety audits to identify and mitigate potential hazards, ensuring a safer working environment.
- Trained personnel on safe handling procedures for hazardous materials used during production processes.
- Assisted in training new staff on equipment usage and safety protocols.
- Documented and recorded critical metrics in the database related to pressure, temperature, level and flow data to maintain and update accurate repair logs.
Refrigeration Lead Foreman
McKinstry
Seattle, Washington
08.2009 - 04.2023
- Supervised daily operations and managed team assignments on construction projects.
- Coordinated schedules and resources for multiple trades to ensure project efficiency.
- Trained and mentored junior staff on safety protocols and best practices.
- Conducted regular site inspections to uphold safety standards and compliance requirements.
- Collaborated with project managers to streamline workflows and reduce delays.
- Implemented quality control measures for materials and workmanship on-site.
- Facilitated communication between team members, clients, and subcontractors effectively.
- Managed conflicts effectively to ensure project timelines were not affected. and addressed issues promptly to maintain project progress.
- Delegated work to team members and checked for completion in compliance with company guidelines and customer needs.
- Developed strategies to increase productivity while reducing costs associated with production processes.
- Delivered technical support to staff members.
- Coordinated with vendors to ensure timely delivery of materials needed for production.
- Implemented cost-saving measures that improved operational efficiency by 20%.
- Trained crew members how to perform high-quality work with safety and efficiency in mind.
- Ensured production met quality standards and met deadlines for delivery.
- Communicated regularly with upper management regarding project updates and progress reports.
- Diagnosed faults and developed correction plans.
- Identified areas for improvement in product design or assembly processes.
- Managed workers at various experience levels in construction and restoration projects.
- Managed sites by focusing on safety, operations and productivity.
- Maintained accurate records of inventory levels, production output, and other operational data.
- Established expectations and motivated crews to consistently meet or beat goals.
- Communicated with employees to demonstrate high standards and mitigate issues.
- Planned and managed manpower and resource requirements to support project activities.
- Viewed and checked job equipment to determine maintenance requirements.
- Complied with federal and company regulations to maintain a high level of job site safety.
- Communicated with suppliers and coordinated delivery of supplies to job sites.
- Recorded project milestones and communicated status to stakeholders. units and labor hours prior to submission of timecards.
- Reported project progress, site problems and labor status to supervisors.
- Trained and monitored employees to teach daily tasks and improve performance.
- Recruited and hired workers, in addition to supervising and monitoring daily performance.
- Provided leadership, insight and mentoring to newly hired employees to supply knowledge of various company programs.
- Established and enforced procedures and work standards, promoting team performance and safety.
- Kept production team moving forward for progress in daily site operations.
- Implemented onsite safety protocols and procedures and properly trained team members on prevention measures.
- Defined and monitored personnel and project schedules to ensure on-time project completion.
- Monitored equipment operation during extraction process to detect problems.
instructor
UA Local 32
Seattle, Washington
09.2009 - 05.2020
- Instructed 4th Year Refrigeration Apprentices in ammonia refrigeration principles and practices
- Guided 5th Year Refrigeration Apprentices in compressor and pump rebuilding techniques
- Delivered engaging training sessions on industry standards and safety protocols.
- Mentored apprentices, providing guidance on technical skills and career development.
- Developed comprehensive lesson plans to enhance student understanding of trade skills.
Refrigeration and Air Conditioning Technician
MacDonald Miller
Seattle, Washington
08.2007 - 08.2009
- Diagnosed refrigeration and air conditioning issues using advanced troubleshooting techniques.
- Diagnosed and repaired malfunctions in residential and commercial refrigeration systems.
- Repaired and replaced faulty components in air conditioning units and refrigeration systems.
- Repaired or replaced defective parts such as capacitors, contactors and relays.
- Installed and maintained HVAC systems for commercial clients.
- Installed and maintained HVAC systems for commercial and residential clients.
- Conducted regular inspections to ensure compliance with safety regulations and standards.
- Ensured compliance with all local codes during installation activities.
- Utilized diagnostic tools to enhance repair accuracy and minimize service disruptions.
- Maintained accurate records of service calls for future reference purposes.
- Assisted customers with troubleshooting issues related to their HVAC systems over the phone or via email.
- Tested electrical circuits to ensure proper functioning of motors, switches, thermostats and safety controls.
- Installed compressors, evaporators, condensers, receivers, expansion valves and other components of HVAC systems.
- Installed new heating and cooling systems following blueprints or installation guidelines.
- Performed preventive maintenance on air conditioning units including changing filters and cleaning coils.
- Adjusted system controls to regulate temperature levels according to customer specifications.
- Ensured optimal performance by checking coolant pressure in cooling systems. levels in cooling towers and chillers using gauges and meters.
- Inspected ductwork for air leaks or blockages that could affect airflow performance.
- Calibrated system components to maximize energy efficiency while maintaining optimal comfort levels.
- Uncovered and corrected leaks with individual units and full refrigeration systems.
- Tested equipment following each install to determine efficiency and proper functionality.
- Adjusted and repaired systems to meet manufacturers' performance specifications.
- Repaired and modified heating, ventilating and air conditioning (HVAC) systems to improve efficiency.
- Provided on-site training for junior technicians on best practices and system maintenance.
- Inspected job site before project start to identify obstacles and resolve issues.
- Put in new gas lines, wiring and other support components for HVAC systems.
- Connected gas lines for furnaces or boilers when installing new heating systems.
- Operated soldering equipment to seal joints between pipes in refrigeration systems.
- Assessed system operations to identify potential areas requiring maintenance services.
- Assessed system operations to identify potential areas requiring maintenance services.
Refrigeration and Air Conditioning Technician
SnoValley Process Solutions
Everett, Washington
03.2006 - 08.2007
- Maintained and rebuilt centrifugal compressors to ensure optimal performance and reliability.
- Gained expertise in building control systems and troubleshooting to enhance system functionality.
- Managed multiple projects concurrently, consistently meeting deadlines.
Refrigeration Pipefitter
W.E.Stone
Seabeck, Washington
09.2000 - 03.2006
- Began duties in Fab Shop building pressure vessels and chillers.
- Moved to service based duties including repair and installation of refrigeration systems including compressor rebuilds and NorthStar Icemaker repair.
- Diagnosed refrigeration system issues and executed effective solutions to restore functionality.
- Executed repairs on damaged pipes through cutting, bending, and jointing techniques, maintaining system efficiency.
- Utilized welding equipment to securely join metals, ensuring structural integrity and compliance with safety standards.
- Inspected completed work for quality and compliance with industry standards.
Education
Associate of Applied Science - Refrigeration Steamfitter
UA Local 32 Plumbers And Pipefitters
Seattle, WA06-2005
High School Diploma -
Wild Rose High School
Wild Rose, WI06-1992
Skills
- Refrigeration troubleshooting
- HVAC system maintenance
- Leak detection
- Diagnostic equipment usage
- Preventive maintenance
- Customer service
- Safety compliance
- Project coordination
- Team collaboration
- Time management
- Problem solving
- Effective communication
- Compressor overhauls
- Mathematical calculations
- Regulatory compliance
- Soldering
- Mechanical aptitude
- Blueprints and diagrams
- Industrial refrigeration
- Diagnostic testing
- System charging
- Piping brazing
- Refrigerant handling
- Schematic reading
- Quality control
- Technical training
- Documentation management
- HVAC systems troubleshooting
- Mechanical skills
- Safety
- Pressure testing
- Testing and repair
- Equipment installation
- Commercial refrigeration
- Troubleshooting
- Troubleshooting skills
- Problem-solving abilities
- Testing and troubleshooting
- HVAC and refrigeration systems
Certification
- City of Seattle Refrigeration License Class C
- City of Seattle Gas Piping License
- WA State Electrical License 06A
- CFC License
- OSHA 30
- Mitsubishi City Muti Certification
- LG Multi V Installation Certification
- Johnson Controls York YT/YK Centrifugal & Compressor Overhaul Certification
- HAZWOPER Training Certificate
Timeline
Refrigeration Technician
SnoValley Process Solutions
12.2024 - 04.2026
Ammonia Refrigeration Technician
Lineage Logistics - Cold
05.2023 - 12.2024
instructor
UA Local 32
09.2009 - 05.2020
Refrigeration Lead Foreman
McKinstry
08.2009 - 04.2023
Refrigeration and Air Conditioning Technician
MacDonald Miller
08.2007 - 08.2009
Refrigeration and Air Conditioning Technician
SnoValley Process Solutions
03.2006 - 08.2007
Refrigeration Pipefitter
W.E.Stone
09.2000 - 03.2006
Associate of Applied Science - Refrigeration Steamfitter
UA Local 32 Plumbers And Pipefitters
High School Diploma -
Wild Rose High School