Senior HVAC/R Technician & Field Lead (Refrigeration)

Walmart Inc.; St. Louis (MO); On-site; USD 100,289,000 - 200,579,000; Full time

Benefits offered by this job

Health benefits

401(k) plan

Stock purchase program

Life insurance

Paid time off

Live Better U education benefit

Job summary

Walmart Inc. seeks an HVAC/R Technician in Saint Louis, MO to oversee installation, commissioning, diagnostics, and preventive maintenance of commercial refrigeration and cooling systems. You will manage rack systems, refrigerants, and safety compliance while mentoring junior technicians and coordinating field teams.

The role emphasizes on-site work, vendor coordination, and on-call support, with a strong focus on safety, documentation, and process improvements across Walmart facilities.

Qualifications

• Minimum 3 years HVAC/grocery rack refrigeration experience or 6 years with AAS in HVAC/R preferred.
• EPA Section 608 Type I and II or universal refrigerant handling certification required.

Responsibilities

• Oversee installation and commissioning of HVAC/R systems and ductwork.
• Lead diagnostics, troubleshooting, and preventive maintenance across systems.
• Manage refrigerant handling, compliance with EPA/OSHA and maintenance logs.
• Coordinate field teams, mentor technicians, and handle escalated service issues.
• Track parts, vendor relations, and service calls to meet priorities and timelines.
• Participate in on-call rotation to support critical operations after hours.

Skills

HVAC/R experience

Grocery rack refrigeration

Blueprint reading

Tools and hand/power tools

Leadership / mentoring

On-call readiness

Job description

Walmart Inc. seeks an HVAC/R Technician in Saint Louis, MO to oversee installation, commissioning, diagnostics, and preventive maintenance of commercial refrigeration and cooling systems. You will manage rack systems, refrigerants, and safety compliance while mentoring junior technicians and coordinating field teams.

The role emphasizes on-site work, vendor coordination, and on-call support, with a strong focus on safety, documentation, and process improvements across Walmart facilities.