Oleksandr Dolzhykov
Odessa,Ukraine
Summary
Experienced Refrigeration Technician adept in electrical diagnostics and customer-focused solutions. Proven track record at MSC CRUISES,Virgin Voyages and Carnival Cruise Lines enhancing system efficiency and performance. Skilled in HVAC and refrigeration systems with exceptional troubleshooting skills. Committed to team success and customer satisfaction. Working quickly and accurately to repair systems. Hardworking communicator with great multitasking, collaboration and project management skills. Resourceful Refrigeration Technician recognized for high productivity and efficient task completion. Specialize in system diagnostics, preventive maintenance, and temperature control solutions, ensuring optimal operational performance. Excel in problem-solving, time management, and adaptability, leveraging these skills to meet tight deadlines and maintain high service standards in fast-paced environments. Well-rounded individual with expertise as installer for heating and air conditioning systems. Valuable employee with equipment testing, repair, and maintenance skills. Comfortable lifting several pounds. Responsible professional offering excellent customer service, problem-solving and mechanical abilities developed over multi-year career. Capable decision-maker with self-motivated approach to addressing any installation or repair needs. Resourceful professional in heating, air conditioning, and refrigeration services known for productivity and efficiency in task completion. Skilled in system diagnostics, preventive maintenance, and sustainable energy solutions. Excel in problem-solving, time management, and customer service, ensuring successful project outcomes through effective communication and teamwork.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Refrigeration Technician
MSC CRUISES
New York,Miami
06.2023 - 09.2024
- Inspected and tested components of refrigeration systems to locate causes of malfunctions.
- Performed preventive maintenance on refrigeration systems, including lubricating parts and cleaning coils.
- Repaired or replaced defective parts in refrigeration systems such as motors, compressors, condensers, evaporators and valves.
- Installed new equipment according to manufacturer's instructions and safety standards.
- Reconfigured existing equipment for improved efficiency and performance.
- Adjusted system controls to regulate temperature settings for optimal operation.
- Inspected mechanical systems such as boilers, chillers, pumps and fans to identify opportunities for improvement in efficiency or capacity.
- Recharged freon levels in industrial chillers to meet performance standards.
- Communicated regularly with supervisors about any issues encountered during operation of the chillers.
- Performed regular maintenance on chillers including changing filters and cleaning condenser coils.
- Contributed innovative ideas and solutions to enhance team performance and outcomes.
- Resolved customer issues related to malfunctioning refrigeration units.
- Interpreted schematics and diagrams to determine the most efficient repair solutions.
- Troubleshot complex problems with commercial-grade chillers using diagnostic tools like thermometers, voltmeters and ammeters.
- Ensured that all work was conducted safely following industry standards and regulations.
- Calibrated instruments used to measure pressure, temperature, flow rate and other variables in the system.
- Uncovered and corrected leaks with individual units and full refrigeration systems.
HVAC Technician
Virgin Voyages
Miami
12.2021 - 03.2023
- Performed troubleshooting on HVAC systems to determine root cause of issues.
- Conducted maintenance service on HVAC systems to increase life expectancy of equipment and prevent costly repair work.
- Repaired and replaced heating and air conditioning systems for commercial customers in ship industry.
- Maintained comfortable environmental temperatures in ship facilities.
- Repaired and replaced motors, bearings and belts.
- Programmed computerized energy management systems and verified proper functionality.
- Maintained and repaired industrial chillers weighing up to 2 tons.
- Evaluated and tested laboratory fumehoods and bio-safety cabinets.
- Filled out detailed work orders for each job completed.
- Kept accurate records of time and materials used for each job to compile into service reports.
- Maintained boilers, hot water systems, gas heating equipment and food service equipment.
- Inspected and tested refrigeration systems, safety devices and controls to determine proper functionality.
- Closed out work orders after verifying completion with customers and reporting discrepancies discovered on job site.
- Calibrated equipment to achieve maximum efficiency.
- Evaluated status of refrigeration liquids for safety and compliance purposes.
- Investigated major malfunctions and breakdowns of heating and air-conditioning systems and used troubleshooting to determine causes.
- Calibrated permanent and portable environmental monitoring equipment.
- Replaced bearings, pump seals and packing.
Assistant Refrigeration
Carnival Cruise Line
Miami
01.2018 - 09.2021
- Performed troubleshooting on HVAC systems to determine root cause of issues.
- Conducted maintenance service on HVAC systems to increase life expectancy of equipment and prevent costly repair work.
- Repaired and replaced heating and air conditioning systems for commercial customers in ship industry.
- Replaced bearings, pump seals and packing.
- Repaired and replaced motors, bearings and belts.
- Programmed computerized energy management systems and verified proper functionality.
- Maintained and repaired industrial chillers weighing up to 2 tons.
- Evaluated and tested laboratory fumehoods and bio-safety cabinets.
- Filled out detailed work orders for each job completed.
- Kept accurate records of time and materials used for each job to compile into service reports.
- Read blueprints, wiring diagrams, piping schemes and engineering specifications to diagnose and repair units.
- Maintained boilers, hot water systems, gas heating equipment and food service equipment.
- Inspected and tested refrigeration systems, safety devices and controls to determine proper functionality.
- Consulted with project management during group installations.
- Calibrated equipment to achieve maximum efficiency.
- Evaluated status of refrigeration liquids for safety and compliance purposes.
- Investigated major malfunctions and breakdowns of heating and air-conditioning systems and used troubleshooting to determine causes.
- Calibrated permanent and portable environmental monitoring equipment.
- Worked overtime, holidays and weekends to accommodate company needs.
- Reviewed work of external and internal contractors to guarantee consistency with quality and safety standards.
- Proven ability to learn quickly and adapt to new situations.
Assistant Refrigeration
PE, D.I.D
Odessa
04.2014 - 12.2017
- Fill refrigeration system with freon gas.
- Change filters and capillary.
- Installing compressor, changing thermostats and starting relay
- Worked well in a team setting, providing support and guidance.
- Resolved problems, improved operations and provided exceptional service.
- Paid attention to detail while completing assignments.
Education
University -
Odessa National Maritime University
Odessa Skills
- HVAC and refrigeration systems
- Electrical and pneumatic controls
- Recovering and recycling
- Package and split systems
- Diagnostic techniques
- Single compressor systems
- Dehydration knowledge
- EPA requirements knowledge
- Soldering
- Troubleshooting skills
- Mechanical skills
- Air properties expert
- RS sheets and floor plans
- Chillers
- HVAC change-out procedures expert
- Blueprint Interpretation
- MSDS knowledge
- Troubleshooting expertise
- Heating principles knowledge
- Focused on safety
- PCS expert
- Microsoft Office proficient
- Customer-focused
- Commercial refrigeration knowledge
- Electrical diagnostics
- Motor replacement
Languages
- English
- Russian
- Ukrainian
Certification
- Certified [EPA universal/HVAC TECHNICIAN], [Skillcat] - [December 10, 2021]
- Certified Ship's electrician, Odessa Maritime Training Centre, December 05, 2014
- Basic Safety Training (A-VI/1-1,2,3,4) 05/11/2021-05/11/2026
- Proficiency in Survival Craft (A-VI/2 course 1.23) 01/03/2021-01/03/2026
- Advanced Training Fire Fighting (A-VI/3 Solas 74) 24/04/2023- 24/04/2028
- Designated Security Duties of Shipboard Personnel ((A-VI/6-2) 24/04/2023-24/04/2028
- Security Awareness (A-VI/6-1) 24/04/2023-24/04/2028
- Crowd and Crisis Management (A-V/2) 24/04/2023-24/04/2028
- C1D VISA 20/11/2017-16/11/2027
- SEAMAN'S IDENTIFICATION CARD 04.05.2023-04.05.2028
- PASSPORT 23/08/2017-23/08/2027
Languages
Russian
First Language
Ukrainian
Proficient (C2)
C2
English
Advanced (C1)
C1
Timeline
Refrigeration Technician
MSC CRUISES
06.2023 - 09.2024
HVAC Technician
Virgin Voyages
12.2021 - 03.2023
Assistant Refrigeration
Carnival Cruise Line
01.2018 - 09.2021
Assistant Refrigeration
PE, D.I.D
04.2014 - 12.2017
University -
Odessa National Maritime University
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