Building Engineer (Cleanroom Facilities)

Responsibilities

Cleanroom Operations & Maintenance

• Operate, monitor, maintain, and repair cleanroom mechanical systems and associated support equipment.
• Maintain cleanroom environmental conditions including temperature, humidity, airflow, and pressure differentials.
• Perform routine inspections of cleanroom infrastructure and critical support systems.
• Ensure compliance with cleanroom operating standards and facility procedures.
• Support contamination control initiatives and cleanroom best practices.
• Participate in cleanroom certifications, audits, and inspections.

HVAC & Critical Mechanical Systems

• Troubleshoot airflow, pressure control, and environmental deviations.
• Monitor and maintain filtration performance and change schedules.

Preventive Maintenance

• Execute preventive and predictive maintenance programs.
• Complete work orders according to facility maintenance schedules.
• Inspect and maintain facility equipment to minimize downtime.
• Support equipment commissioning and requalification activities.
• Coordinate maintenance shutdowns with operations teams.

Preferred

• Minimum 3 to 5 years of building maintenance, critical facilities, HVAC, cleanroom, pharmaceutical or manufacturing experience preferred.

Location

: Irvine, 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.
• Associate degree or technical certification in HVAC, Mechanical Systems, Facilities Maintenance, Engineering Technology, or related field preferred.

Experience

• Experience supporting controlled environments highly desirable.
• Experience working with critical facility systems and utilities preferred.
• Preferred Certifications
• EPA Universal Refrigerant Certification
• OSHA 10 or OSHA 30 Certification
• Certified Cleanroom Professional (CCP)
• HVAC Certification
• Building Operator Certification (BOC)
• Certified Facility Manager (CFM) preferred
• Valid Driver's License