Senior Technician, Facility Services, HVAC/Refrigeration

About the role

The Senior Technician, Facility Services, HVAC/Refrigeration, leads the installation, maintenance, and troubleshooting of commercial and industrial HVAC/R systems, ensuring compliance with safety and environmental standards. This role oversees preventive maintenance programs, manages refrigeration units, and coordinates field teams to optimize system performance. The position involves mentoring technicians, managing parts inventory, and supporting critical business operations through timely issue resolution. The Senior Technician collaborates across teams to implement process improvements and special projects, driving operational excellence while maintaining adherence to regulatory requirements and company policies.

The Facility Services HVAC/Refrigeration Senior Technician team ensures optimal operation and maintenance of critical systems across Walmart properties. They lead installation, diagnostics, and preventive maintenance of HVAC/R equipment, adhering to safety and regulatory standards. The team manages resources efficiently, supports continuous improvement initiatives, and collaborates with cross-functional partners to address operational needs. By maintaining high-quality service and compliance, they contribute to a safe, comfortable environment for associates and customers. Their commitment to operational excellence and effective communication supports Walmart’s mission to deliver reliable facility services.

Responsibilities

• Oversee installation, commissioning, and maintenance of HVAC/R systems, including ductwork, control panels, and refrigeration units.
• Lead diagnostics and troubleshooting of mechanical, electrical, and refrigerant issues across commercial and industrial equipment.
• Implement and monitor preventive maintenance programs to optimize equipment performance and reduce downtime.
• Manage refrigerant handling, ensuring compliance with OSHA, EPA, and HVAC/R codes.
• Coordinate and mentor field teams, providing hands-on training and evaluating skill development.
• Maintain parts inventory, vendor relationships, and service schedules to meet operational priorities.
• Participate in on-call rotation to support critical business needs outside regular hours.

Requirements

• Proven experience in installation, commissioning, and maintenance of HVAC/R systems, including refrigeration units and building pneumatics.
• Strong diagnostic and troubleshooting skills for mechanical, electrical, and refrigerant systems in commercial and industrial settings.
• Knowledge of OSHA standards, EPA refrigerant handling protocols, and compliance with federal, state, and local HVAC/R codes.
• Ability to lead and mentor field teams, providing hands-on training and performance feedback.
• Proficiency in managing parts inventory, vendor relationships, and service coordination to meet operational priorities.
• Effective communication and collaboration skills to support process improvements and cross-functional initiatives.
• Commitment to safety, integrity, and continuous improvement in all work practices.

Qualifications

Minimum Qualifications

• Option 1: 3 years’ experience in HVAC/grocery rack refrigeration.
• Option 2: 6 years’ experience in HVAC/grocery rack refrigeration and Associate of Applied Science (AAS) in Air Conditioning and Refrigeration.
• Hold and maintain Type I and Type II or Universal Environmental Protection Agency certification for refrigerant handling.
• Where required, HVAC-R/Mechanical Journeyman.
• 1 year’s experience in plumbing, electrical, material handling equipment, or related area or 2 years’ Walmart store experience.
• Valid state-issued driver’s license and ability to pass a motor vehicle report.
• Commercial driving record with no convictions for DUI, DWI, OUI within the last five (5) years.
• Commercial driving record with no more than two (2) moving violations in the last three (3) years.
• No preventable accidents while operating a commercial motor vehicle in the last three (3) years.
• No serious traffic violations, as defined by the Federal Motor Carrier Safety Regulations, while operating a commercial motor vehicle in the last three (3) years.