Facilities Systems Engineer - HVAC, Electrical & BAS

JLL; Costa Mesa (CA); On-site; USD 59,000 - 65,000; Full time

Job summary

JLL in Costa Mesa, CA seeks an Operating Engineer to be the technical backbone of facility operations, maintaining and repairing HVAC, electrical, plumbing, and BAS systems

You will perform preventive maintenance, analyze performance data, and document findings in CMMS, coordinating with management and clients to ensure reliability and safety. Monday–Friday, 7:00 AM–3:00 PM with on‑call rotation as needed.

Qualifications

• High school diploma or GED with two years trades schooling in electrical, refrigeration, and HVAC.
• Universal Technician certification for CFCs is required.

Responsibilities

• Perform maintenance and repairs on commercial HVAC systems including chillers, towers, air handlers, pumps, motors, and BAS.
• Inspect facilities, analyze system performance data, diagnose issues with test equipment, document findings, and propose improvements.
• Troubleshoot heating, cooling, and humidification systems; monitor with BAS to prevent failures.
• Execute preventive maintenance on doors, gates, material handling equipment, fire safety systems, and eyewash stations; document in CMMS.
• Collaborate with facility management and clients to address service requests and resolve cross-shift issues.
• Maintain electrical systems, low/medium voltage distribution, lighting, and plumbing installations.

Skills

HVAC systems

Electrical systems

BAS

CMMS

MEP drawings

Education

High School diploma or GED + 2 years trades schooling

Universal Technician for CFCs

Tools

CMMS

BAS

RTU data analysis

Job description

JLL in Costa Mesa, CA seeks an Operating Engineer to be the technical backbone of facility operations, maintaining and repairing HVAC, electrical, plumbing, and BAS systems

You will perform preventive maintenance, analyze performance data, and document findings in CMMS, coordinating with management and clients to ensure reliability and safety. Monday–Friday, 7:00 AM–3:00 PM with on‑call rotation as needed.