Summary
Overview
Work History
Education
Skills
Accomplishments
Timeline
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James Barientos

Honolulu,HI

Summary

Dynamic mechanical repairer with hands-on expertise from City and County of Honolulu, skilled in troubleshooting and equipment maintenance. Proven ability to enhance functionality and extend equipment lifespan through effective diagnostics. Strong collaborator, committed to workplace safety and high-quality results, ensuring operational excellence in all projects.

Diligent with solid background in repair and maintenance. Demonstrated proficiency in diagnosing issues and implementing effective solutions to ensure optimal functionality. Proven ability to troubleshoot and repair complex systems, showcasing strong problem-solving skills and attention to detail.

Overview

30
30
years of professional experience

Work History

Mechanical Repairer

City and County Of Honolulu
03.2025 - Current
  • Performed preventative maintenance on various heavy equipment used by City & County to minimize future breakdowns and extend their lifespan significantly.
  • Troubleshot complex issues effectively using diagnostic tools, manuals, schematics, or other resources available to find appropriate solutions quickly.
  • Collaborated with team members to complete complex repair projects, ensuring high-quality results and timely completion.
  • Developed expertise in repairing a wide range of equipment, including electrical systems, mechanical components, and software-related issues.
  • Improved equipment functionality by conducting thorough diagnostics and identifying necessary repairs.

Security Manager

Private Security Group - PSG
04.2022 - Current
  • Managed a team of security personnel, providing regular training for improved performance and professional growth.
  • Oversaw team of security officers and managed scheduling and performance evaluations.
  • Maintained detailed records of security incidents, enabling proper analysis for future preventative measures.
  • Kept team compliant with security protocols and appearance standards.
  • Monitored building access, ensuring only authorized personnel were granted entry into secure areas of the facility.

Utility Worker 1

City and County of Honolulu, HI
04.2024 - 03.2025
  • Supervised work personnel in the setup and breakdown of various physical structures during scheduled events.
  • Maximized productivity to meet tight timelines.
  • Contributed to a positive work environment through effective communication and collaboration with colleagues across various departments.
  • Verified that all safety procedures were followed while working.
  • Assisted in training new hires on company procedures, safety guidelines, and job-specific tasks to ensure a consistent level of service quality across the workforce.
  • Completed daily maintenance tasks in record time to maximize productivity.

Lead Security Supervisor

Sheraton Moana Surf Rider Hotel
01.2018 - 04.2024
  • Screened vendors and contractors before granting access to restricted areas within hotel premise.
  • Analyzed and investigated incidents alongside management and security supervisors.
  • Conducted frequent security audits to identify potential problems related to physical security, staff safety, and asset protection.
  • Reduced security incidents through thorough risk assessments and proactive measures.

Security Specialist

Matt Levi Corporation
08.2015 - 07.2020
  • Collaborated with local law enforcement agencies to establish strong relationships, increasing the effectiveness of joint responses to incidents.
  • Detected potential threats proactively through regular monitoring of surveillance systems and analyzing incident reports.
  • Enhanced overall security by conducting thorough risk assessments and implementing effective security measures.
  • Performed regular audits of existing security measures, identifying areas for improvement and recommending changes accordingly.

Lead Mechanic / Foreman

Millers Paving LLC
07.2013 - 10.2014
  • Performed routine and scheduled maintenance on asphalt equipment.
  • Managed workflow of hot asphalt installment effectively.
  • Diagnosed mechanical failures to determine and delegate corrective actions.
  • Improved team productivity through effective delegation of tasks and clear communication among all workers.

Mechanic / Laborer

Ron's Concrete Specialist
05.2012 - 05.2013
  • Maintained all equipment needed for daily operations
  • Performed preventative maintenance to preserve performance and reliability of vehicles.
  • Maintained a safe working environment at all times by adhering to company guidelines and OSHA regulations, reducing workplace accidents.
  • Loaded concrete and other raw material
  • Coordinated pouring times and schedules among crews

Mechanic / General Laborer

Mira Image Construction
04.2011 - 05.2012
  • Performed diagnostic and troubleshooting procedures to find and identify root causes of mechanical issues.
  • Performed preventative maintenance to preserve performance and reliability of vehicles.
  • Upheld quality control standards for all completed work, ensuring each vehicle left the shop operating at peak performance.
  • Enhanced vehicle longevity through meticulous attention to preventive maintenance.
  • Streamlined repair processes by maintaining a well-organized and clean workspace, contributing to increased productivity.

Security Officer

Queens Medical Center
07.2008 - 03.2011
  • Protected facility and property guests by regularly circulating premises and monitoring surveillance feeds.
  • Greeted guests and medical staff professionally and courteously to cultivate welcoming atmosphere while making safety top priority.
  • Checked identification of persons entering and exiting facility to eliminate unauthorized visitors.
  • Provided excellent customer service while addressing visitor inquiries or concerns related to facility safety or access control procedures.
  • Oversaw daily monitoring and patrolled buildings, grounds, and work sites.
  • Improved overall security by conducting regular patrols and monitoring surveillance systems.

Lead GSE Mechanic

Aloha Airlines
01.1995 - 04.2008
  • Demonstrated expertise as lead Mechanic in repairing ground equipment and various types of heavy equipment.
  • Performed calibration checks on essential tools and equipment to guarantee accurate measurement and testing results during repairs or maintenance activities.
  • Operated forklift and other heavy equipment including towing.
  • Worked closely with other mechanics as part of an effective team dedicated to maintaining a high-performance of equipment.

Education

High School Diploma -

Farrington High School
Honolulu, HI

Skills

  • Troubleshooting expertise
  • Experience operating heavy machines
  • Hands-on mechanical skills
  • Equipment Repair
  • Equipment maintenance proficiency
  • Power tool operation
  • Power tool proficiency
  • Workplace safety

Accomplishments

  • Played for Hawaii Professional Indoor Arena Football League
  • Supervised large team of security team members.

Timeline

Mechanical Repairer

City and County Of Honolulu
03.2025 - Current

Utility Worker 1

City and County of Honolulu, HI
04.2024 - 03.2025

Security Manager

Private Security Group - PSG
04.2022 - Current

Lead Security Supervisor

Sheraton Moana Surf Rider Hotel
01.2018 - 04.2024

Security Specialist

Matt Levi Corporation
08.2015 - 07.2020

Lead Mechanic / Foreman

Millers Paving LLC
07.2013 - 10.2014

Mechanic / Laborer

Ron's Concrete Specialist
05.2012 - 05.2013

Mechanic / General Laborer

Mira Image Construction
04.2011 - 05.2012

Security Officer

Queens Medical Center
07.2008 - 03.2011

Lead GSE Mechanic

Aloha Airlines
01.1995 - 04.2008

High School Diploma -

Farrington High School

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