Field Lead: HVAC & Refrigeration Technician

Walmart; Chattanooga (TN); On-site; USD 50,000 - 95,000; Full time

Job summary

Walmart in Chattanooga, TN seeks a skilled HVAC/R technician to install and service commercial refrigeration and climate control systems. You will interpret layout plans and schematics, configure direct digital controls, and perform preventive maintenance to meet operational specifications.

You will drive a company vehicle, participate in on-call rotations, lead field teams, mentor apprentices, and coordinate repairs with external providers.

Responsibilities

• Installs HVAC and refrigeration systems, including ductwork, control panels, and building pneumatics.
• Configures and calibrates low ambient systems and direct digital controls to meet operational specifications.
• Interprets layout plans and schematics to ensure accurate system setup and compliance with building codes.
• Diagnoses and resolves mechanical, electrical, and refrigerant-related issues across commercial and industrial systems.
• Implements preventive maintenance programs to extend equipment life and minimize downtimes.
• Maintains and repairs rack systems, walk-ins, reach-ins, and supermarket refrigeration units.
• Ensures the proper operation of HVAC systems and Energy Management Systems by performing routine checks, identifying issues, and coordinating necessary maintenance or repairs under manager and training technician supervision.
• Uses heavy machinery.
• Adheres to OSHA standards and EPA 608 refrigerant handling protocols during all service activities.
• Conducts inspections and repairs in compliance with federal, state, and local HVAC/R regulations, including cold chain and indoor air quality requirements.
• Reclaims ozone‑depleting refrigerants and ensures proper documentation of refrigerant usage.
• Leads field teams and mentors less‑experienced Technicians and Apprentices on technical procedures and safety practices.
• Communicates effectively with customers to explain technical issues and service outcomes.
• Manages escalated service issues and coordinates with external service providers as needed.
• Receives and follows instructions from Managers and Training Technicians to perform assigned tasks accurately and efficiently.
• Assists in implementing training plans and operational procedures as directed by Managers and Training Technicians.
• Drives a company vehicle to complete service calls and manage operational needs within an assigned region.
• Participates in an on‑call rotation to support business critical needs outside of standard business hours.
• During assigned on‑call periods, responds in a timely manner to incidents or requests and supports issue resolution or appropriate escalation as needed.
• Coordinates service calls and manages workload using digital tools and scheduling systems.
• Tracks refrigerant levels, parts inventory, and vendor relationships to ensure resource availability.
• Submits warranty claims, expense reports, and work orders to support financial sustainability.

Job description

Walmart in Chattanooga, TN seeks a skilled HVAC/R technician to install and service commercial refrigeration and climate control systems. You will interpret layout plans and schematics, configure direct digital controls, and perform preventive maintenance to meet operational specifications.

You will drive a company vehicle, participate in on-call rotations, lead field teams, mentor apprentices, and coordinate repairs with external providers.