Building Engineer - HVAC / VRF

Shift: Monday - Friday | Day Shift

Payrate: $48-$58 hourly rate | Weekly pay

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

Essential Duties and 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.

Qualifications

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.

Certifications Preferred

• 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