Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Timeline
Generic

Pat Castello

Big Lake

Summary

Over 30 years of experience in commercial and industrial refrigeration, including 7 years as Chief Engineer and 2 years as Assistant Chief Engineer in seafood processing plants. Expertise in CFC, HFC, and ammonia systems, as well as saltwater chillers and PLC controls. Proficient in HVAC systems ranging from small window units to 300-ton reciprocating chillers, along with boilers, furnaces, and electrical troubleshooting. Experienced Refrigeration Engineer with a history of successful project management and system optimization. Well-versed in maintaining, repairing, and troubleshooting refrigeration systems to uphold required temperatures. Known for applying engineering principles to resolve complex technical issues while ensuring compliance with safety standards. Proven ability to deliver cost-effective solutions that increase the efficiency and reliability of refrigeration systems.

Overview

22
22
years of professional experience
1
1
Certification

Work History

Refrigeration Engineer

North Pacific Seafoods
Twin Hills
08.2022 - 09.2022
  • Serviced and repaired air conditioning and refrigeration systems.
  • Investigated equipment failures or difficulties to diagnose faulty operation and recommend remedial actions.
  • This was a temporary fill-in seasonal position.

Refrigeration Engineer

Trident Seafoods
Kodiak
10.2021 - 03.2022
  • Serviced and repaired air conditioning and refrigeration systems.
  • Investigated equipment failures or difficulties to diagnose faulty operation and recommend remedial actions.
  • Conferred with engineers to implement operating procedures, resolve system malfunctions or provide technical information.

Assistant Chief Engineer

Kwik Pak Fisheries
Emmonak
04.2018 - 09.2018

Maintain and repair all refrigeration equipment including Highlander blast freezers both Screw and reciporcating compressors, cold storage, several different Ice machines, Barge refrigeration units, refrigerated traileres.

Chief Engineer

Golden Harvest Seafoods
Adak
11.2017 - 09.2018

Note: All seafood Refrigeration Engineer jobs were seasonal. Maintain and repair all refrigeration equipment including 11 two hundred HP screw compressors and 1 eighty HP screw compressor. Verticle plate freezers, chillers, North Star Ice machine and 2 smaller horizontal rolling drum Ice machines. Kitchen and cafeteria equipment as needed. Assist with pump and motor electrical.

Chief Engineer

10th & M Seafoods
Anchorage
03.2014 - 10.2015

Maintain and repair all refrigeration equipment in a seafood processing plant including blast freezers using screw compressors, north Star Ice machine, refrigerated trailers. Assist with conveyor belt motors and electrical systems.

Chief Engineer

Peter Pan Seafoods
Valdez
03.2008 - 10.2012

Maintain and repair all refrigeration equipment including 560 HP ammonia system, blast freezers, cold storage, SW chillers, North Star ice machines and delivery/rake sytems.

150 HP IMS blast freezers, evaporative condensers, air purgers, Vilter mini screws compressor for ice plate freezer. Air compressors and dryers. 100,200,300 HP steam boilers and associated burner controls, water safety's, condensate return pumps and piping. All pre season cleanouts and maintenance procedures. Combustion analyzing. Steam commercial laundry equipment. Retail store refrigeration equipment. kitchen and cafeteria equipment. All electrical issues including 3 phase motors to 460 volts, defrost controllers, safety alarms etc. Chlorine systems. Occasional refrigeration repairs on fishing vessels.

HVAC/Refrigeration Technician

Chugach World Services
Shemya AFB, King Salmon AFB
01.2003 - 01.2007

Maintain and repair all HVAC/R equipment including Walk in coolers and freezers, kitchen & cafeteria equipment, Phnuematic building controls, steam to water heat exchangers, hydronic pumps and motors, VAV systems, air handlers, fan coil units, exaust blowers, water treatment, weekend rounds including boiler maintenance.

HVAC Technician

Space Mark/TSI/Adak Reuse corp/City of Adak
Adak
10.2000 - 06.2003
  • Assessed efficiency of HVAC and refrigeration systems and provided feedback to customers.
  • Installed heating, air conditioning and ventilation equipment and tested for proper operation.
  • Serviced electrical, pneumatic, mechanical and microprocessor controls.
  • Troubleshot and diagnosed issues with HVAC equipment, providing recommendations for remediation.
  • Examined heating and air conditioning systems and air compressors for signs of defects or malfunction.
  • Installed, maintained and repaired commercial refrigeration systems.
  • Completed preventative maintenance on heating and air conditioning systems to extend life of such equipment.
  • Repaired airfield lighting system for 2 7 thousand ft runways. Electrical to 2400 volts, amperage regulators.

Education

North Slope Winter Training

IVID Learning Systems/NPR
Aurora Base Camp
09.2019

Level 1 thermography - Thermal Imaging technology

FLIR thermal imaging
Las Vegas, Nevada, USA
2011

CIRO Level 2 Industrial Refrigeration Operator - Ammonia Refrigeration

Garden City Community College
Garden City, KS
01.2008

Refrigeration Technology

San Jose City College
San Jose, CA
01.1985

Blueprint Reading, Mechanical Drawing

Gavilan College
Gilroy, CA
09.1982

HVAC & Refrigeration Technology

Polytechnical Institute
Sant Clara CA
05.1982

Electrical

RSES
Home Study
01.1982

Some College (No Degree) - Thermal Imaging

Flure
Las Vegas, NV

Skills

  • Experienced in residential, commercial and industrial systems
  • HVAC system service and maintenance including RTU, built up systems, split systems, chillers, air dryers, furnaces, Steam and water boilers, Natural gas & fuel oil heating systems, heat pumps etc
  • Refrigeration service including walk in coolers & freezers, reach ins, ice machines, restaurant & market equipment
  • Specialty refrigeration including cascade systems, constant temperature, thermal shock chambers & ammonia refrigeration systems used in seafood processing plants
  • HVAC controls including electric, pneumatic, electronic and microprocessor VAV boxes, system balancing, VFD systems
  • Electrical troubleshooting, schematic reading, system installs
  • Expert refrigeration pipe fitting & brazing
  • Basic sheetmetal fabrication and installation
  • High voltage experience to 2400 volts
  • Solar system service and repairs
  • Combustion analyzing
  • Hydronic systems, pumps & motors

Accomplishments

Self employed for 10 years retaining customer base in HVAC & Refrigeration service and maintenance.Broke all company records for production assembly and brazing in a process control manufacturing plant (Semi Fab Hollister CA).Retrofitted a commercial building HVAC system resulting in a 75% reduction in fuel oil usage (vehicle maintenance building. Adak AK). Received letter of accomplishment.Maintained and repaired two 7 thousand ft runway lighting systems (Adak AK).7 seasons as chief refrigeration engineer in seafood processing plants.

Certification

Industrial refrigeration operators level ll certification #2705.09CFC universal CFC certification #5724388040601DJV Mechanical equipment service journeyman card #1625285

Timeline

Refrigeration Engineer

North Pacific Seafoods
08.2022 - 09.2022

Refrigeration Engineer

Trident Seafoods
10.2021 - 03.2022

Assistant Chief Engineer

Kwik Pak Fisheries
04.2018 - 09.2018

Chief Engineer

Golden Harvest Seafoods
11.2017 - 09.2018

Chief Engineer

10th & M Seafoods
03.2014 - 10.2015

Chief Engineer

Peter Pan Seafoods
03.2008 - 10.2012

HVAC/Refrigeration Technician

Chugach World Services
01.2003 - 01.2007

HVAC Technician

Space Mark/TSI/Adak Reuse corp/City of Adak
10.2000 - 06.2003

North Slope Winter Training

IVID Learning Systems/NPR

Level 1 thermography - Thermal Imaging technology

FLIR thermal imaging

CIRO Level 2 Industrial Refrigeration Operator - Ammonia Refrigeration

Garden City Community College

Refrigeration Technology

San Jose City College

Blueprint Reading, Mechanical Drawing

Gavilan College

HVAC & Refrigeration Technology

Polytechnical Institute

Electrical

RSES

Some College (No Degree) - Thermal Imaging

Flure
Pat Castello