Commercial HVAC Technician (Mid-Senior)

Hi-Tek Mechanical • Full-time • Irvine, California, United States • $25 - $60 / hour • 2m ago

Senior Commercial HVAC/R Service Technician
Hi-Tek Mechanical, Inc. – Irvine, CA

About Hi-Tek Mechanical

Hi-Tek Mechanical is a commercial HVAC service company focused on high-performance service, installation, and maintenance across Southern California. We operate with a simple standard: Excellence without exception.

We invest in top-tier technicians, modern tools, and efficient systems to deliver consistent, high-level results for our clients. This is a performance-driven environment built for professionals who take ownership of their work and want to operate at a higher level.

Position Overview

We are seeking a Senior Commercial HVAC/R Service Technician capable of independently diagnosing, repairing, and maintaining complex HVAC systems with minimal oversight. This role is for experienced technicians who can take full ownership of service calls, communicate clearly with clients, and execute work at a high standard.

Core Responsibilities

Diagnose and repair commercial HVAC/R systems independently
Perform preventative maintenance and system evaluations
Identify root causes of system failures and recommend corrective action
Execute compressor replacements, major component repairs, and system startups
Navigate and troubleshoot DDC/BMS systems from front-end interfaces
Read and interpret wiring diagrams, blueprints, and control sequences
Adjust and reset VFDs, clear alarms, and modify operating parameters
Perform and understand air balancing principles
Maintain clear, accurate service documentation and job notes
Communicate professionally with clients and represent the company on-site
Maintain company vehicle, tools, and job site cleanliness
Participate in on-call rotation as required

Technical Requirements

Must have strong working knowledge and hands-on experience with:

Packaged rooftop units (RTUs)
Split systems and mini splits
Air handlers and fan coil units
Water source heat pumps (WSHPs)
Boilers and hydronic systems
Cooling towers
VFDs and controls systems
Refrigeration systems and circuits

Qualifications

5–10+ years commercial HVAC/R experience (Required)
EPA Universal Certification (Required)
Proven ability to work independently in the field without supervision
Strong troubleshooting and diagnostic skillset
Ability to handle high-level service calls and critical accounts
Clean driving record and ability to pass background check
Reliable transportation to/from Irvine, CA or ability to relocate

Work Environment & Benefits

Company service vehicle
Steady commercial workload (no residential work)
Performance-driven team with growth opportunities
Ongoing training and development
Support structure including dispatch and management team
Competitive compensation based on experience

Who This Role Is For

This position is for technicians who:

Take ownership of their work and outcomes
Operate with urgency and professionalism
Want to be part of a company that values performance and accountability
Are looking to grow beyond a basic service role

If you want to work with a company that holds a higher standard and gives you the tools to perform at that level, apply today.

Job Types: Contract, Part-time, Full-time

Pay: $25.00 - $60.00 per hour

Benefits:

401(k)
401(k) matching
Dental insurance
Health insurance
Paid time off
Vision insurance

Supplemental Pay:

Bonus pay

License/Certification:

EPA Type II (Preferred)

Work Location: In person

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