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Building Engineer - HVAC / VRF

ABM Industries

Responsibilities

  • Operate, monitor, maintain, and repair HVAC and VRF systems.
  • Perform routine inspections of air handling units, fan coil units, condensers, heat pumps, and related equipment.
  • Troubleshoot and diagnose HVAC, refrigeration, electrical, and mechanical system issues.
  • Perform preventive maintenance on HVAC and VRF equipment according to manufacturer recommendations.
  • Monitor refrigerant levels, system pressures, temperatures, and operating performance.
  • Replace motors, belts, filters, sensors, actuators, and other HVAC components as required.
  • Maintain proper indoor air quality and occupant comfort levels throughout the facility.
  • Respond to HVAC-related service requests and emergencies.

Building Automation & Controls

  • Monitor and adjust Building Automation Systems (BAS) and HVAC control systems.
  • Troubleshoot communication and control issues involving thermostats, controllers, sensors, and VRF network components.
  • Assist with system programming adjustments and scheduling functions.
  • Analyze trend data to identify operational inefficiencies.

Facility Maintenance

  • Assist with general building maintenance activities when required.
  • Support maintenance of plumbing, lighting, electrical, and mechanical systems.
  • Coordinate maintenance activities with vendors and contractors.
  • Maintain equipment rooms, mechanical spaces, and maintenance areas in a clean and organized condition.

Preferred

  • Certifications Preferred

Location

: Laguna Hills, Ca

The pay listed is the hourly range or the hourly rate for this position. A specific offer will vary based on applicant’s experience, skills, abilities, geographic location, and alignment with market data.

Benefit Information

  • ABM offers a comprehensive benefits package. For information about ABM’s benefits, visit
  • ABM 2026 Employee Benefits | Front Line Team Members

Education

  • High School Diploma or GED required.
  • Technical school, trade school, or associate degree in HVAC, Mechanical Systems, or related field preferred.

Experience

  • Minimum 3 to 5 years of commercial HVAC maintenance experience preferred.
  • Experience servicing VRF systems such as Mitsubishi, Daikin, LG, Samsung, Fujitsu, or similar platforms preferred.
  • Experience working in commercial office buildings, healthcare facilities, hotels, industrial properties, or institutional environments.

Knowledge, Skills, and Abilities

  • Strong knowledge of HVAC and refrigeration systems.
  • Knowledge of VRF system design, controls, and troubleshooting.
  • Understanding of refrigeration cycles and heat pump operation.
  • Ability to read blueprints, schematics, wiring diagrams, and technical manuals.
  • Familiarity with Building Automation Systems (BAS).
  • Working knowledge of electrical systems, motors, drives, and controls.
  • Strong troubleshooting and diagnostic skills.
  • Ability to prioritize and manage multiple maintenance tasks.
  • Strong communication and customer service skills.
  • Computer proficiency for work order and maintenance management software.
  • EPA Universal Refrigerant Certification (Required or obtained within designated timeframe)
  • HVAC Technician Certification
  • OSHA 10 or OSHA 30 Certification
  • Stationary Engineer License (where applicable)
  • Valid Driver's License