Loi R Rivera Sr
Waipahu,USA
Summary
Electrical supervisor with extensive experience in high-stakes environments, including traction power substations and military vessels. Demonstrated ability to enhance operational efficiency through effective training programs and strict adherence to safety standards. Expertise in leading diverse teams to deliver high-quality results under challenging conditions.
Overview
1
1
Certification
44
44
years of professional experience
Work History
Electrical Superintendent
Pacific Shipyards International
Honolulu, HI
05.2023 - Current
- Supervised electrical installations and repair operations on numerous US Navy, US Coast Guard, and US Army vessels to guarantee strict compliance with military standards.
- Led specialized team of marine electricians and electrician helpers to execute complex maintenance and installation tasks, enhancing overall project delivery.
- Managed project budgets and electrical department overtime allocation to ensure timely and cost-effective completion of high-stakes marine projects.
- Provided targeted technical training and daily guidance to electrical personnel, significantly boosting project quality and team efficiency.
- Designed and implemented a departmental electrical apprenticeship program that successfully upskilled junior personnel and standardized technical execution across all shifts.
- Completed the full electrical wiring and systemic overhaul for a complex paint and blast booth PLC system, successfully restoring automated functionality.
- Designed, wired, assembled, and tested six custom 480VAC stainless steel power distribution panels valued at $250K, ensuring total alignment with strict electrical engineering specifications.
- Analyzed and applied dense electrical drawings, schematics, and engineering specifications across highly diverse electrical systems.
Certified Senior Traction Power Technician
Hitachi Rail
Pearl City, HI
08.2020 - Current
- Stepped in as acting Traction Power Supervisor / Lead Technician in the absence of the manager; managed complex daily work schedules, coordinated personnel, and achieved 100% operational uptime for Traction Power Substations (TPSS), HDT/Liebert UPS units, FFC lighting UPS and low-voltage transformers.
- Supervised and executed all scheduled and unscheduled corrective maintenance across critical traction power infrastructure, including meticulous testing, adjustments, cleaning, and lubrication of 1200Amp AC Breakers, main 6000Amps DC Breakers, and 4000Amps Feeder Breakers.
- Inspected, tested, and maintained Blue Light Stations (BLS) and Electronic Operating Switches (EOS) to ensure flawless 100% reliability for critical 750V DC rail power emergency shutdowns.
- Issued formal work block permits and enacted strict isolation and Lockout/Tagout (LOTO) protocols on heavy infrastructure to eliminate arc flash hazards; authored detailed Job Hazard Analyses (JHA) and managed red tag procedures.
- Managed service requests, asset tracking, component procurement, and automated scheduling using IBM Maximo - 30 MMIS software to optimize departmental workflows.
- Trained and guided junior traction power technicians in reading schematics, fault diagnosis, servicing high-voltage circuit breakers, and operating SCADA control systems to enhance team competency.
- Collaborated with construction, commissioning, operations, and maintenance divisions to pre-plan and execute technical projects on schedule.
- Handled precision field operations using advanced electrical/electronic test instruments and battery power tools; ensured the availability, tracking, and certification of calibrated departmental gear.
1st Class Electrician
Young Brothers Tugs, Barge and Generator Maintenances YB Pier 21,38 and 40
Honolulu, HI
08.2013 - 08.2020
- Programmed, wired, and installed advanced digital engine RPM monitoring systems in vessel pilot houses; successfully cleared strict U.S. Coast Guard safety inspections.
- Maintained, troubleshot, and repaired a fleet of over 20 portable 320kW container generators to guarantee 100% daily operational readiness and power reliability.
- Ensured continuous power delivery and perfect functional integrity for over 900 reefer container electrical outlets across company base facilities.
- Assisted in end-to-end commissioning of four brand-new Kapena-class tugboats, ensuring integrated electrical networks met operational specifications.
- Conducted comprehensive maintenance on electrical lighting networks, motor line controllers for ballast tank pumps, high/low float switches, and solar-powered navigation running lights across eight marine barges.
- Performed precision routine maintenance, system troubleshooting, and structural overhauls on specialized tools, load bank testing equipment, barge ballast pump motors, and portable generators.
- Executed secure electrical power isolations and strict Lockout/Tagout (LOTO) protocols to protect personnel during inter-departmental operations.
- Researched and ordered electrical parts for equipment repairs while upgrading base-wide lighting and HVAC systems to ensure full regulatory safety compliance.
Marine Electrical Foreman / Journeyman Electrician Technician
A&B Electric Inc
Kapolei, HI
08.2011 - 08.2013
- Performed high-consequence electrical testing, repairs, and preventative maintenance on naval combatants at Pearl Harbor Naval Base, ensuring strict compliance with NAVSEA standards and military specifications.
- Tested, troubleshot, and repaired critical steering gear, HVAC/refrigeration units, fire alarms, and engine safety alarms on foreign and domestic marine vessels under tight USCG safety frameworks.
- Upgraded digital throttle systems for Healy Tibbitts Tugboats and executed sea trials to meet USCG and ABS surveyor standards.
- Installed and optimized high-capacity Automatic Transfer Switches (ATS) at commercial sites including Costco, Safeway, Waikiki hotels, hospitals, and high-rises across Oahu and Maui.
- Coordinated with corporate senior management, facility engineers, and utility operators for critical power cutovers and emergency backup system integration, ensuring zero operational downtime.
- Conducted specialized infrared thermographic inspections across switchboards and Motor Control Centers (MCCs) for the City and County of Honolulu's wastewater treatment facilities to proactively mitigate electrical arc faults.
1st Class Petty Officer / Electrical Division Chief
US Coast Guard Naval Engineering Support Unit
Honolulu, HI
07.2007 - 12.2010
- Promoted to Chief Petty Officer (EMC) in December 2008; served as Division Chief overseeing all electrical and electronic maintenance, safety equipment calibration, and emergency repairs for all cutters across District 14 Hawaii and Guam.
- Supervised maintenance and calibration of high-endurance cutter assets, including gas turbine consoles, emergency generators, main diesel generators, power switchboards, steering gear, and ATON cranes, ensuring operational reliability and safety.
- Ensured peak operational readiness for critical auxiliary systems, including reefers/HVAC, boilers, MK 27/MK 39A gyros, helicopter glide slopes, anchor winches, and navigation lighting.
- Led junior petty officers in executing complex electrical maintenance and repairs for District 14 local assets and visiting cutters.
- Managed and mentored specialized division of eight Electricians Mates, one Electronics Technician, and one Gunner's Mate; trained personnel in advanced troubleshooting, component installations, and diagnostic testing to enhance technical skills and operational readiness.
- Authored performance evaluations, managed promotion pipelines, and drafted military award packages, facilitating career advancement and improving retention for all assigned personnel.
Leading 1st Class Petty Officer
US Coast Guard PATFORSWA
Manama, Bahrain
05.2006 - 07.2007
- Managed maintenance, repairs, and troubleshooting for six US Coast Guard Patrol Cutters and five US Navy Patrol Boats as leading 1st Class Petty Officer for shore electrical department.
- Maintained continuous 24-hour readiness to provide immediate troubleshooting assistance to cutters both at shore and underway, including executing comprehensive overhauls on PAXMAN engine starters.
- Led team of eight junior petty officers in troubleshooting malfunctioning control systems, autopilot steering controls, fin stabilizers, and main Caterpillar generators, ensuring operational readiness.
- Responded to an urgent 2:00 AM emergency call to troubleshoot a US Navy Patrol Boat’s main generator, successfully restoring full power to the vessel.
- Executed wiring installations for heavy machinery equipment per British Electrical Code, providing power for lathes, hydraulic pipe benders, welding machines, paint booths, and autotransformers for IT equipment.
2nd / 1st Class Petty Officer
USCG Jarvis
Honolulu, HI
07.2003 - 05.2006
- Spearheaded extensive troubleshooting, maintenance, and emergency repairs for highly complex mechanical and electrical shipboard systems as a 2nd Class Petty Officer (EM2 / Electrician's Mate).
- Diagnosed and optimized high-consequence maritime assets, including ship service generators, main propulsion systems, turbine controls, and distribution switchgear.
- Ensured reliability of critical auxiliary gear, including reverse osmosis units, water evaporators, industrial refrigeration/HVAC, and ventilation systems.
- Rebuilt and repaired engine room pump controllers, engine control alarms, lube oil/fuel purifiers, and incinerators, enhancing operational readiness of deck/galley equipment.
Electrician 2nd Class Petty Officer
USCG Integrated Support Command Honolulu
Honolulu, HI
04.1999 - 07.2003
- Rewired and upgraded the U.S. Coast Guard Base fire alarm and paging announcement systems at Barbers Point to maximize emergency communication reliability.
- Completed complex electrical wiring projects for base infrastructure and residential units at Red Hill military housing complex, ensuring operational safety and compliance.
- Repaired and maintained base-installed load banks to ensure 100% operational readiness for critical backup power generators.
- Safely executed high-altitude installation and maintenance on 60-foot TARMAC area lighting structures at Barbers Point.
- Completed base-wide building energy modernizations by upgrading legacy fluorescent lighting to high-efficiency electronic ballasts and installing automated motion sensors.
- Executed monthly preventative maintenance schedules for office lighting, base fire alarms, pier power mounts, and facility electrical meter readings, maintaining safety and operational standards.
- Performed numerous critical shore duty watches to actively support and maintain high-security operations across restricted military installations.
Electrician Apprentice/Journeyman
Puunene Power Distribution Plant
09.1991 - 04.1999
- Deployed to Kauai for three months following Hurricane Iniki; worked grueling 16-hour shifts as a Lineman to rebuild destroyed power lines, restore infrastructure, and bring the grid back online.
- Developed expert-level pole climbing skills and operated specialized fleet vehicles—including line auger trucks, bucket trucks, and Class A CDL semi-trucks—to haul and install utility poles safely.
- Spearheaded the end-to-end electrical wiring of a chemical facility during the 4th and 5th years of apprenticeship; ran specialized stainless steel (SS) conduits, wired complex controller cabinets, and terminated high-capacity motors.
- Actively participated in the systemic conversion of the Puunene Power Plant from legacy analog control systems to modern Programmable Logic Controllers (PLCs).
- Mastered the diagnostic testing, troubleshooting, and precision rewinding of varying horsepower industrial motors, earning promotion to Lead Motor Rewinder upon the mentor's retirement.
- Serviced and diagnosed high-consequence industrial equipment including switchgears, high/low voltage transformers, power steam generators, hydro-generators, and motor control centers to uphold safety and performance standards.
- Overhauled oil can pole transformers and conducted preventative maintenance on heavy substation transformers to ensure reliable operation.
- Developed absolute proficiency with advanced hand/power tools to bend, thread, and run diverse conduit systems including EMT, rigid, and stainless-steel piping.
- Maintained an inventory of electrical spare parts, control devices, and specialized shop testing tools.
2nd Class Machinery Repairman
United States Navy
Pearl Harbor, Honolulu
12.1982 - 04.1999
- Operated manual and automated machine shop machinery to fabricate high-tolerance custom parts, ensuring precision in heavy-duty marine pump shafts and propulsion shaft components.
- Demonstrated specialized craftsmanship in casting, pouring, and precision-machining Babbitt bearings specifically engineered for heavy propulsion shafts and high-load rotating machinery.
- Machined, aligned, and rebuilt complex gearboxes and industrial mechanical drive assemblies to exact blueprint specifications.
- Analyzed technical engineering drawings and geometric dimensioning and tolerancing (GD&T) data to ensure flawless fabrication of industrial assets.
- Conducted routine maintenance, tooling setups, and calibration on lathes, mills, and grinding machines, enhancing shop safety and maintaining operational precision.
Education
Certificate -
Gas Turbine Console School
Virginia04-2003
AAS Diploma - Associate’s in Applied Science in Electronics Engineering Technology
Heald College
Honolulu, HI04-2002
Diploma - Electrician
International Correspondence Schools
Scranton, PA10-1995
Apprentice Certificate -
State of Hawaii Electrician Apprentice Training
Hawaii09-1995
Certificate -
51R Interior Electrician School Fort Leonardwood
Missouri08-1980
High School Diploma -
Maui High School
Kahului, HI05-1980
Skills
- MMIS (Maximo-30) software
- Hypot testing equipment
- Low resistance meter
- Fluke 715/726 calibrators
- Turn ratio testing
- Megger insulation testing
- Battery impedance testing
- Electronics hand soldering
- Thermal imaging
- Motor rewinding and overhaul
- Precision machining
- CNC machining
Certification
- State of Hawaii Electrical Journeyman License, EJ-9032, 06/30/29
- State of Hawaii Supervising Electrician Industrial License, ESI-9108, 06/30/29
- IR Technician Level 1
Discharge Information
Honorable, Chief Petty Officer, 12/01/10
Awards And Medals
- Global War on Terrorism Service Medal, 1, U.S Coast Guard Active
- National Defense Service Medal, 2, US Navy, U.S Coast Guard Active
- Army Achievement Medal Award, 2
- US Coast Guard Achievement Medal Award, 2
- US Coast Guard Commendation Medal Award, 1
- US Military Good Conduct Award, 5
Military Service
- Reserve Duty Service, 06/79 - 12/82, U.S Army Reserve
- Active-duty service, 02/82 - 09/91, U.S Navy Active
- Reserve Duty Service, 12/91 - 03/94, U.S. Navy Reserve
- Reserve Duty Service, 03/94 - 04/99, U.S. Army Reserve
- Active-duty service, 04/99 - 12/10, U.S. Coast Guard Active
Timeline
Electrical Superintendent
Pacific Shipyards International
05.2023 - Current
Certified Senior Traction Power Technician
Hitachi Rail
08.2020 - Current
1st Class Electrician
Young Brothers Tugs, Barge and Generator Maintenances YB Pier 21,38 and 40
08.2013 - 08.2020
Marine Electrical Foreman / Journeyman Electrician Technician
A&B Electric Inc
08.2011 - 08.2013
1st Class Petty Officer / Electrical Division Chief
US Coast Guard Naval Engineering Support Unit
07.2007 - 12.2010
Leading 1st Class Petty Officer
US Coast Guard PATFORSWA
05.2006 - 07.2007
2nd / 1st Class Petty Officer
USCG Jarvis
07.2003 - 05.2006
Electrician 2nd Class Petty Officer
USCG Integrated Support Command Honolulu
04.1999 - 07.2003
Electrician Apprentice/Journeyman
Puunene Power Distribution Plant
09.1991 - 04.1999
2nd Class Machinery Repairman
United States Navy
12.1982 - 04.1999
Certificate -
Gas Turbine Console School
AAS Diploma - Associate’s in Applied Science in Electronics Engineering Technology
Heald College
Diploma - Electrician
International Correspondence Schools
Apprentice Certificate -
State of Hawaii Electrician Apprentice Training
Certificate -
51R Interior Electrician School Fort Leonardwood
High School Diploma -
Maui High School