Juan Hernandez
Covina,CA
Overview
8
8
years of professional experience
Work History
Maintenance Worker II
Central School District
8316 Red Oak Street, Rancho Cucamonga, CA 91730
09.2022 - Current
- Replaced and troubleshooted faulty circuit breakers
- Removed and Replaced damaged receptacles
- Identified what circuits pertained to circuit breakers
- Replaced LED, Florescent, high pressure sodium and halogen lamps
- Wired transformers, capacitors, and igniters on light fixtures according to schematic
- Installed outdoor weather tight receptacles
- Set manual time clocks for outside lighting according to time zone and Daylight.
- Troubleshot restroom exhaust fans or replaced by disassembling fan housing and scroll cage
- Troubleshot and repaired entry blower fans inside the cafeteria
- Replaced ballast and lamps on 277v lighting fixtures
- Replaced T8 4 foot bulbs on high areas such as gymnasiums and cafeterias
- Troubleshot and replaced 24v 60hz light relays on outside light circuits
- Used energy management system to engage light contactors that are operated by EMS
- Installed, Replaced, GFCI Receptacles
- Replaced, installed, repaired LED exit signs
- Troubleshot and repaired non operating flood lamps
- Located and WIred in Photocells For outdoor lighting
- Troubleshot and repaired Custodial equipment such as extractors, Rotaries, and commercial vacuums
- Trouble shot and repaired HEPA air filtration units
- Met with subcontractors and guided them and explained problems with electrical systems
- Replaced dirty air filters throughout all air conditioning systems
- Cleaned condenser and evaporator coils on Air conditioning systems
- Replaced broken gas valves on air conditioning units that have a gas furnace
- Replaced non operable fuses on Fused disconnects
- Used Energy management system to adjust BAS on various classrooms, gyms, multipurpose rooms, and offices
- Replaced broken pulley belts on HVAC systems and Kitchen Exhaust equipment
- Installed key operated light switches and dimmers
- Repaired frayed conductors on light circuits and HVAC units
- Changed out non functioning condenser fan motors
- Met with sub-contractors and explained problems, concerns, and possible quotes for service and installation
- Improved facility safety by conducting regular inspections and addressing potential hazards promptly.
- Assisted in facility renovations, including painting, minor plumbing repairs, and carpentry work.
- Worked from ladders, scaffolds and lifts to install, maintain, or repair electrical wiring equipment and lighting fixtures in ceilings, on roofs and on towers.
Custodian
El Monte City School District
3540 Lexington Avenue, El Monte, CA 91731
04.2017 - 08.2022
- Reported vandalism or other damage to property to supervisor.
- Inspected facility and grounds and picked up trash or other debris impacting appearance or movement flows between spaces.
- Mixed, used and properly stored hazardous chemical cleaners to reduce risk of injury or illness.
- Moved furniture for cleaning and set up for special events.
- Maintained clean and comfortable environments in commercial buildings by vacuuming, cleaning windows and dusting.
- Ran variety of cleaning machines such as floor machines designed to strip, wax, extract and top scrub floors and carpets.
- Kept building spaces premises clean inside and outside.
- Assembled basic furniture and supplies for offices and other multi-use rooms.
- Used hand trucks or manually lifted supplies, equipment and heavy furniture.
- Used vacuum and shampooers to clean carpeted areas in offices, lobbies and corridors.
- Emptied waste paper and other trash from premises and moved to appropriate receptacles.
- Identified repair needs and major maintenance concerns, and escalated issues to management.
- Maintained cleanliness of restrooms by washing down and properly sanitizing walls, floors and toilets.
- Responded immediately to calls from personnel to clean up spills and wet floors.
- Used power scrubbing and waxing machines to scrub and polish floors.
- replaced light bulbs and replaced non functional lights ballasts
- assisted maintenance crew in installing ceramic tile flooring in restrooms
- cut and measured vinyl base board and then applied with baseboard bond liquid
- re-caulked toilets seals
- received and unloaded large quantities of pallets from different companies by hand
- installed electric hand sanitizing dispensers and soap dispensers
- shut off water valve to numerous toilets when they were out of order
- replaced dirty air filters with brand new hepa filters
- assisted maintenance crew with various indoor and outdoor painting projects
- stocked restrooms with soap, paper towels, toilet paper
Field Technician/apprentice
MEKAIRTEK
04.2016 - 07.2016
- Modified sheet metal into air ducts
- Safely used ladder to place air ducts according to blueprints
- Sealed all ducts with DP-1010 water based sealant
- Insulated ducts with proper fiber glass insulation
- Insulated copper Freon tubes with foam based insulator
- Sealed foam based insulator with industrial quality glue
- Zip tied every two feet of insulated Freon tubes to ensure insulation
- Transported heavy pressurized air tanks in and out of work environment
- Kept everything up to code
- Placed plastic air vents into designated locations
- Modified and adapted air system according to inspector
- Tested airflow and pressure with smoke device to ensure airtight seal
- Filled units with Freon and other refrigerants
- Swapped and maintained air filters regularly
Education
EPA 608 UNIVERSAL - Heating, Air Conditioning, And Refrigeration Installation And Repair
Mount San Antonio College
Walnut, CAHigh School Diploma -
Arroyo High School
El Monte, CA2014
Skills
- Creative problem solver
- Quick learner
- Strong client relations
- Good communication skills
- Very courteous
- Bilingual (English-Spanish)
Timeline
Maintenance Worker II
Central School District
09.2022 - Current
Custodian
El Monte City School District
04.2017 - 08.2022
Field Technician/apprentice
MEKAIRTEK
04.2016 - 07.2016
EPA 608 UNIVERSAL - Heating, Air Conditioning, And Refrigeration Installation And Repair
Mount San Antonio College
High School Diploma -
Arroyo High School