Field Service - Engineering Maintenance Technician

Industrial Technical Services, Inc; La Mirada (CA); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

401(k)

Company car

Competitive salary

Free uniforms

Health insurance

Opportunity for advancement

Paid time off

Training & development

Job summary

Industrial Technical Services, Inc seeks a skilled Field Service Technician to install, troubleshoot, and repair electrical systems and VFDs in commercial and industrial settings. You will interpret schematics, perform preventive maintenance, and travel to client sites as needed to ensure equipment runs reliably and efficiently.

The role emphasizes strong technical aptitude, customer service, and the ability to collaborate on large projects with teams and clients.

Qualifications

• Hands-on experience with 460V, 230V, and 120V electrical systems and VFD controls.
• HVAC/refrigeration, industrial controls, or building automation exposure.
• Valid driver’s license with a clean driving record.
• Experience in construction environments considered a plus.

Responsibilities

• Install, program, troubleshoot, repair, and maintain VFDs within HVAC and industrial systems.
• Read schematics, wiring diagrams, and manuals to diagnose issues.
• Perform preventive maintenance and drive repairs to extend life.
• Operate company vehicles safely when visiting client sites.
• Explain diagnoses and options clearly to clients.
• Document service calls and site conditions in reporting systems.
• Support large installation projects and ongoing maintenance contracts.

Skills

Electrical aptitude

Mechanical aptitude

Customer service

Communication

Leadership

Tools

VFD controls

Electrical schematics

Technical diagrams

Job description

Benefits

• 401(k)
• Company car
• Competitive salary
• Free uniforms
• Health insurance
• Opportunity for advancement
• Paid time off
• Training & development

We are seeking a motivated and skilled Field Service Technician to join our team. In this role, you will install, maintain, repair, and troubleshoot electrical systems and VFD applications across commercial and industrial environments—including supply and return fans, exhaust systems, cooling towers, pump systems, and water treatment facilities. Your technical expertise and commitment to exceptional service will ensure our clients' equipment operates with maximum reliability and efficiency.

Key Responsibilities

• Install, program, troubleshoot, repair, and maintain VFDs within HVAC systems, water treatment facilities, and associated industrial setups.
• Read and interpret schematics, electrical wiring diagrams, and technical manuals to diagnose issues accurately.
• Perform routine preventive maintenance and drive repairs to optimize equipment performance and extend service life.
• Operate company vehicles safely and responsibly when traveling to client sites.
• Communicate technical diagnoses, repair options, and preventative recommendations clearly to clients.
• Document all service calls, site conditions, and work completed accurately in company reporting systems.
• Support team members on large-scale equipment installation projects and ongoing maintenance contracts.

Qualifications & Requirements

• Proven experience as a field service technician with hands‑on expertise in 460V, 230V, and 120V electrical systems and VFD controls.
• Strong electrical and mechanical aptitude, with demonstrated proficiency in reading schematics and technical diagrams.
• Background in HVAC system repair, refrigeration, industrial controls, or building automation systems.
• Solid understanding of Maintenance, Repair, and Operations (MRO) practices across various mechanical systems.
• Excellent customer service and interpersonal skills, with the ability to explain technical details to non-technical clients.
• Valid driver’s license and a clean driving record.
• Experience in construction environments or building systems is a strong plus.
• Strong problem‑solving abilities, self‑motivation, and leadership qualities in fast‑paced field environments.