Air Compressor Technician

W3Global; San Diego (CA); On-site; USD 65,000 - 90,000; Full time

Job summary

W3Global is seeking an Air Compressor Tech in San Diego to support maintenance, troubleshooting, and repair of compressed air, vacuum, and refrigeration-based systems in commercial settings. The role requires strong electrical and mechanical fundamentals and the ability to interpret schematics while working independently on customer sites.

You will perform preventive maintenance, diagnose issues, and collaborate with dispatch and other technicians, documenting activities and ensuring safety and

Qualifications

• Experience in compressed air, refrigeration, and vacuum service.
• EPA Section 608 certification preferred.
• Ability to troubleshoot independently while collaborating with team.
• Proficiency with field-service platforms such as ServiceTitan.

Responsibilities

• Perform maintenance, troubleshooting, and repairs on compressed air systems, vacuum equipment, and refrigeration-based dryers.
• Diagnose electrical and mechanical faults across multiple equipment brands.
• Provide on-site customer communication and professional service.
• Complete accurate service documentation and reports.

Skills

Electrical fundamentals

Mechanical fundamentals

Schematic interpretation

Independent work

Customer communication

Team coordination

Education

EPA 608 certification

Trade school training

Tools

ServiceTitan

Job description

Position Summary

We are seeking a skilled and versatile Air Compressor Tech to support the maintenance, troubleshooting, and repair of compressed air, vacuum, and refrigeration-based systems in industrial and commercial environments.

Position Summary

We are seeking a skilled and versatile Air Compressor Tech to support the maintenance, troubleshooting, and repair of compressed air, vacuum, and refrigeration-based systems in industrial and commercial environments. This role requires strong electrical and mechanical fundamentals, the ability to interpret schematics and technical documentation, and the professionalism to operate independently while representing the company on customer sites. This technician plays a critical role in ensuring system reliability, safety, and quality standards are consistently met while supporting customer operations through effective diagnostics and clear communication.

Core Technical Duties & Expectations

• Compressed Air, Vacuum, and Refrigeration Knowledge
• Strong working understanding of compressed air theory and industrial applications.
• Perform maintenance, troubleshooting, and repairs on compressed air systems, rotary screw and reciprocating compressors, vacuum equipment, and refrigerant-based air dryers
• Experience servicing reciprocating compressors, rotary screw compressors, vacuum pumps, and air treatment equipment
• Refrigeration system knowledge, including refrigerant-based air dryers and related cooling systems
• Understanding of refrigeration cycles, heat transfer, and system performance
• Execute preventive maintenance and corrective repairs to support operational uptime
• Support team coordination in the field when working alongside other technicians or dispatch

Technical and Professional Expectation

• Service and repair of mechanical and electrical components on reciprocating compressors
• Preventive maintenance and repair of rotary screw compressors, including filtration and air-oil separation systems
• Working knowledge of refrigeration components such as compressors, condensers, evaporators, expansion devices, pressure switches, and fans
• Ability to diagnose electrical systems including contactors, overloads, fuses, motors, sensors, and controls
• Navigate controllers, alarms, and fault codes across multiple equipment brands
• Exposure to VFDs and variable-speed systems preferred

Troubleshooting and Diagnostics

• Diagnose operational issues including high discharge temperatures, loss of capacity, abnormal pressures, airflow restrictions, and electrical faults
• Troubleshoot refrigeration-related faults such as refrigerant loss, fan failures, clogged condensers, faulty pressure switches, and cooling performance issues
• Perform intermediate diagnostics on dryers, rotary screw compressors, and vacuum systems
• Assist with or perform repairs and component replacements as experience allows

Safety and Compliance

• Strong understanding of mechanical, electrical, and refrigeration safety practices
• Consistent use of lockout, depressurization, and refrigerant handling procedures
• Awareness of on-site hazards and environmental considerations
• Compliance with EPA and refrigerant handling regulations preferred

Customer Interaction and Professionalism

• Act as a professional on-site representative
• Clearly explain findings, repairs, and recommendations to customers
• Review service documentation with customers when appropriate
• Maintain professional on-site behavior and communication with internal staff and company leadership.

Documentation and Tools

• Accurate and timely service documentation and reporting
• Proficiency or ability to quickly become proficient with ServiceTitan and/or similar platforms we may use.
• Maintain and build a technician tool set suitable for mechanical, electrical, and refrigeration service
• Keep work areas, service vehicles, and tools organized and job-ready

Evaluation and Accountability

• Performance assessed through hands‑on diagnostics, job quality, safety adherence, and customer feedback
• Ongoing feedback from senior technicians and management

Ideal Background & Preferred Qualifications

• Prior experience in compressed air, refrigeration, vacuum, or industrial mechanical service environments.
• EPA Section 608 certification preferred?
• Mechanical or electrical training, trade school, or equivalent field experience
• Strong troubleshooting skills and comfort working independently. Ability to troubleshoot independently while collaborating effectively with team members
• Customer support experience in a technical or field service role