Position Title: Tier VI – Commercial Systems Specialist

(Master Commercial HVAC Technician)

Reports To: Service Manager / General Manager

Department: Service

Classification: Full-Time

Position Overview

At George Cunningham Company, our Commercial Systems Specialists represent the highest level of technical expertise within our organization. This position is reserved for professionals who possess exceptional diagnostic abilities across both residential and commercial HVAC systems while specializing in complex commercial mechanical equipment.

The Commercial Systems Specialist serves as the company's senior field technician, technical mentor, and trusted advisor for both customers and fellow team members. They are expected to diagnose and resolve the most difficult HVAC, controls, electrical, and mechanical issues while providing leadership, coaching, and technical support to the entire service department.

This position embodies our mission of delivering "Comfort Without Compromise" by ensuring every commercial and residential customer receives expert service with integrity, professionalism, and technical excellence.

Primary Responsibilities Advanced Technical Diagnostics

Diagnose and repair complex commercial and residential HVAC systems.
Troubleshoot rooftop packaged units from all major manufacturers.
Diagnose chilled water systems, pumps, valves, piping, and hydronic equipment.
Troubleshoot air-cooled and water-cooled chillers.
Diagnose Variable Frequency Drives (VFDs) and motor control systems.
Troubleshoot Building Automation Systems (BAS) and communicating controls.
Perform advanced electrical diagnostics up to 480V three-phase equipment.
Commission newly installed commercial HVAC equipment.
Identify root causes rather than simply replacing failed components.
Provide complete system performance evaluations and recommendations.

Commercial Equipment Expertise

Must be capable of servicing and diagnosing:

Commercial rooftop units (RTUs)
Split systems
Heat pumps
Package units
Make-up air units
Exhaust systems
Variable Air Volume (VAV) systems
Air handlers
Fan-powered boxes
Pumps
Cooling towers
Chillers
Hydronic systems
Boiler support systems
Commercial refrigeration systems
Walk-in coolers and freezers
Energy recovery ventilators (ERV)
Dedicated Outdoor Air Systems (DOAS)
Variable Refrigerant Flow (VRF) systems

Technical Leadership

As the senior technical leader in the field, this position is expected to:

Serve as the primary technical resource for all field technicians.
Provide phone support to technicians requiring advanced diagnostic assistance.
Assist technicians in developing diagnostic strategies rather than simply providing answers.
Conduct field visits when advanced support is required.
Mentor apprentice and developing technicians through ride-alongs and coaching.
Demonstrate proper diagnostic procedures and best practices.
Assist management in evaluating technician skill development.
Help develop technical training materials and hands-on workshops.
Promote a culture of continuous learning and accountability.

Customer Experience

Professionally explain findings in language customers can understand.
Present repair and replacement options using the George Cunningham Company Comfort Prescription process.
Build trust through education, honesty, and professionalism.
Recommend repairs that are in the customer's best interest.
Maintain exceptional customer satisfaction.
Protect the reputation and legacy of George Cunningham Company.

Operational Responsibilities

Complete all work orders accurately and promptly.
Document diagnostics thoroughly.
Complete Red-Yellow-Green (RYG) inspections on every service call.
Build comprehensive repair recommendations.
Ensure proper startup and commissioning procedures are followed.
Maintain truck inventory and specialized diagnostic tools.
Follow all company safety policies.
Assist in warranty investigations and manufacturer technical communications when necessary.

On-Call Responsibilities

As a senior member of the service department, the Commercial Systems Specialist is expected to:

Participate in the rotating emergency on-call schedule.
Respond to critical commercial service emergencies after hours.
Provide technical support to on-call technicians during evenings and weekends.
Assist with major equipment failures requiring senior-level expertise.
Help ensure emergency response standards are maintained throughout the organization.

Leadership Expectations

A Commercial Systems Specialist leads by example.

They are expected to:

Maintain a positive attitude.
Demonstrate professionalism at all times.
Coach rather than criticize.
Uphold company standards.
Encourage teamwork.
Support fellow technicians.
Protect company culture.
Continuously pursue advanced education and certifications.
Represent George Cunningham Company with pride.

Minimum Qualifications

5+ years of HVAC service experience.
Minimum 3 years commercial service experience.
Expert diagnostic abilities.
Strong electrical troubleshooting skills.
Advanced refrigeration knowledge.
Strong understanding of airflow and psychrometrics.
Ability to interpret electrical schematics and wiring diagrams.
Knowledge of commercial controls.
Experience with VFD programming and diagnostics.
Experience with chilled water systems.
Ability to diagnose hydronic systems.
Strong communication and leadership skills.
Valid Texas Driver License with acceptable driving record.
EPA Universal Certification (Required).

Preferred Certifications

NATE Senior Level Certification
OSHA 10 or OSHA 30
Trane Factory Training
Carrier Factory Training
Daikin Factory Training
Mitsubishi Diamond Training
Johnson Controls Training
BACnet Certification
VFD Programming Certification
Commercial Controls Training
CPR/First Aid Certification

Physical Requirements

Lift up to 75 pounds.
Work from ladders, rooftops, lifts, and confined spaces.
Perform work in high heat and varying weather conditions.
Climb stairs and ladders regularly.
Operate hand and power tools safely.
Stand, kneel, bend, and crawl for extended periods.

Performance Expectations (KPIs)

The Commercial Systems Specialist is expected to consistently achieve:

First-Time Fix Rate: 90%+
Callback Rate: Less than 2%
Commercial Average Ticket: $2,500+
Safety Compliance: 100%
Work Order Completion: 100%
RYG Inspection Completion: 100%
Technical Documentation Accuracy: 100%
Customer Satisfaction: 4.8+/5.0
Mentorship Participation: Active coaching of lower-tier technicians
Training Participation: Lead or assist with monthly technical training sessions

The George Cunningham Standard

At George Cunningham Company, technical excellence alone is not enough. Our Commercial Systems Specialists are expected to lead with integrity, mentor the next generation of technicians, and deliver solutions that reflect over 70 years of trusted service.

Every decision should align with our commitment to Comfort Without Compromise, ensuring our customers receive honest recommendations, exceptional workmanship, and a level of professionalism that distinguishes George Cunningham Company throughout South Texas.

Company Motto: Comfort Without Compromise.

Professional Standard: Diagnose with confidence. Lead with integrity. Mentor with purpose. Deliver excellence.

Pay: $24.00 - $40.00 per hour

Benefits:

401(k)
401(k) 3% Match
401(k) matching
Company truck
Employee discount
Fuel card
Life insurance
Paid time off
Professional development assistance
Retirement plan
Tools provided

Work Location: In person

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