ADRIAN ADONA
Henderson
Summary
To maintain and operate critical facility infrastructure, including central plant chillers, boilers, HVAC/R air distribution, electrical power and building automation systems.
To ensure 24/7 system reliability, energy, efficiency and strict safety and regulatory compliance.
Overview
1
1
Language
1
1
Certification
10
10
years of professional experience
Work History
Operating Engineer
Jones Lang LaSalle, JLL
Las Vegas, NV
08.2020 - Current
- Operated HVAC, boilers, chillers, and related building systems to maintain reliable facility performance.
- Performed preventive maintenance on mechanical equipment, reducing downtime and extending asset life.
- Diagnosed system faults using BAS and work order data, restoring service quickly.
- Monitored building operations for safety compliance, environmental controls, and occupancy comfort.Operate, inspect, and maintain high-pressure boilers, chillers, air handling units, and cooling towers for large-scale facilities.
- Monitor central mechanical systems continuously via Building Automation Systems (BAS), adjusting parameters to optimize energy efficiency and thermal comfort.
- Execute scheduled preventive and corrective maintenance on domestic water pumps, steam traps, backflow preventers, and motor control centers.
- Diagnose and resolve complex electrical and mechanical equipment faults, reducing system downtime and emergency repair costs.
- Oversee diesel generator testing, automatic transfer switch (ATS) operations, and auxiliary power readiness.
- Maintain complete operational logs, chemical testing metrics, and equipment service history within computerized maintenance management systems (CMMS).
- Enforce strict compliance with local safety codes, pressure vessel requirements, and EPA refrigerant handling regulations
Welder/Fabricator
Par3
Las Vegas, NV
11.2019 - 08.2020
- Execute daily operations of fabricating and welding. Welded metal parts together, using both gas welding and brazing, or any combination of Arc welding processes.
- Designed and produced sheet metal items. Performed related tasks, such as thermal cutting and grinding.
- Mentored junior fabricators on layout, fit-up, and safe equipment operation.
- Maintained fabrication tools, welding machines, and work areas for efficient daily operations.
- Welded metal components in vertical, overhead and flat positions.
Environmental Technician
Clean Harbors
Benecia, Ca
07.2016 - 08.2019
- Hydro blasting, collecting water samples from raw, semi-processed and industrial wastewater;
- Performing project monitoring and air sampling from asbestos; installing and maintaining data collection instrumentation, conducting bacteriological tests, performing basic calculations, and monitoring and collecting pollutants from sites. HAZMAT waste abatement.
- Followed DOT, EPA, and OSHA requirements while handling, segregating, and staging hazardous waste.
- Trained newer technicians on PPE use, site procedures, and safe waste-handling practices.
- Reduced hazardous waste generation through implementing effective waste minimization strategies.
- Maintained accurate records of all environmental activities, facilitating streamlined reporting processes and regulatory compliance documentation.
Education
High School Diploma - Mechanical Engineering
Delta Vista
Pittsburg, CA09-2007
Skills
- Mechanics
- Boilers
- HVAC
- Electrical
- Plumbing
- Welding
Certification
40hr HAZWOPER, Confined Space Rescue, CPR First Aid
Languages
English - Fluent
Timeline
Operating Engineer
Jones Lang LaSalle, JLL
08.2020 - Current
Welder/Fabricator
Par3
11.2019 - 08.2020
Environmental Technician
Clean Harbors
07.2016 - 08.2019
High School Diploma - Mechanical Engineering
Delta Vista