Installs, configures, calibrates, diagnoses, maintains, and repairs commercial and industrial HVAC and refrigeration systems, including ductwork, control panels, building pneumatics, low ambient systems, direct digital controls, rack systems, walk-ins, reach-ins, and supermarket refrigeration units. Performs routine checks and preventive maintenance to ensure equipment and Energy Management Systems operate properly, reduce downtime, and meet operational specifications. Interprets layouts and schematics and follows applicable building codes and HVAC/R regulations. Performs service in accordance with OSHA standards and EPA 608 refrigerant-handling protocols. Conducts inspections and repairs consistent with federal, state, and local requirements, including cold-chain and indoor-air-quality requirements; reclaims ozone-depleting refrigerants and documents refrigerant use. Leads field teams, mentors technicians and apprentices, communicates service findings to customers, and coordinates escalated issues and external service providers. Receives work direction from Managers and Training Technicians and assists with training plans and operational procedures. Drives and maintains a company vehicle, supports service calls across an assigned region, and participates in an on-call rotation for business-critical needs outside standard business hours. Uses digital tools and scheduling systems to coordinate service calls and workload, and tracks refrigerant, parts, vendors, warranties, expenses, and work orders. May work or train at multiple facilities or distant locations. The position also includes team leadership and collaboration, process improvement, compliance with company policies and standards, and demonstrating Walmart’s stated values of respect, integrity, customer service, and excellence. The hourly wage range is $29.00–$58.00, with possible premiums of $0.35–$3.00 per hour in specified circumstances. Walmart describes performance-based bonus awards and benefits including health coverage, paid time off, education benefits, and other programs; eligibility and terms may vary by job classification and length of employment.
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Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed