Senior Technician, Facility Services, HVAC/Refrigeration

Walmart

. Oversee installation and commissioning of HVAC/R systems, including ductwork, control panels, and building pneumatics .

Posted 10/22/2026full-timeChattanooga • Tennessee • United StatesSenior💰 $35 - $70 per hourWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in HVAC/R system installation, commissioning, and maintenance, with a strong focus on compliance with OSHA and EPA standards. Proven ability to lead teams, mentor technicians, and manage complex refrigeration systems in commercial and industrial settings.

Highest-signal resume keywords

HVAC/R System InstallationRefrigerant Handling CertificationPreventive Maintenance ProgramsTeam Leadership and MentoringCompliance with HVAC/R Codes

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

HVAC/R DiagnosticsTroubleshooting Mechanical IssuesRefrigeration System ManagementBlueprint and Schematic ReadingPreventive Maintenance Implementation

Soft Skills

Team CoordinationCommunication SkillsProblem-SolvingAdaptabilityCustomer Service Orientation

Tools & Technologies

Hand ToolsPower ToolsTesting EquipmentMicrosoft WordMicrosoft Excel

Certifications & Qualifications

Type I and Type II EPA CertificationHVAC-R/Mechanical Journeyman

Industry Keywords

OSHA StandardsEPA Refrigerant-Handling ProtocolsIndoor Air QualityCold-Chain RequirementsGlycol and CO2 Systems

About the role

Key responsibilities & impact

Oversee installation and commissioning of HVAC/R systems, including ductwork, control panels, and building pneumatics
Lead diagnostics and troubleshooting of mechanical, electrical, and refrigerant issues across commercial and industrial systems
Implement and monitor preventive maintenance programs
Manage rack systems, walk-ins, reach-ins, and supermarket refrigeration units
Submit expense vouchers, weekly summaries, work orders, maintenance logs, and detailed work-order notes with before-and-after photos
Ensure adherence to OSHA standards and EPA refrigerant-handling protocols
Conduct inspections and repairs in accordance with federal, state, and local HVAC/R codes, indoor air quality, and cold-chain requirements
Reclaim ozone-depleting refrigerants and maintain environmental compliance
Lead HVAC/R field teams, coordinate assignments, mentor technicians, and manage escalated service issues
Deliver hands-on training on safety, control troubleshooting, and system operations
Evaluate technician skill sets and provide feedback to senior leadership
Participate in an on-call rotation and respond to business-critical incidents outside standard hours
Manage refrigerant levels, parts inventory, vendor relationships, service calls, and regional/market workloads
Track and order HVAC/R parts, record purchases and usage, and ensure external service-provider contract compliance
Support HVAC/R business solutions and lead special projects involving data, new technologies, and process improvements
Collaborate with cross-functional teams to refine processes
Maintain company vehicles, coordinate required maintenance, and safely operate motor vehicles
Submit maintenance invoices and verify vehicle insurance coverage and validity
Lead and participate in teams while coordinating work assignments, supporting quality and timelines, and adapting to change
Develop, communicate, and implement processes and practices to meet business needs
Promote compliance with company policies, ethics, integrity, and standards
Model Walmart values, respect individuals, develop and mentor others, serve customers, and drive continuous improvement

Requirements

What you’ll need

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, or OUI within the last five years
Commercial driving record with no more than two moving violations in the last three years
No preventable accidents while operating a commercial motor vehicle in the last three years
No serious traffic violations as defined by the Federal Motor Carrier Safety Regulations in the last three years
Preferred: completion of a 2-year technical/vocational HVAC/R program or 2-year associate’s of applied science A/C and refrigeration
Preferred: experience using Word, Excel, Outlook, and PowerPoint
Preferred: experience reading blueprints, schematics, and wiring diagrams
Preferred: experience using hand tools, power tools, and testing equipment
Preferred: prior experience with Glycol and CO2 systems

Benefits

Comp & perks

Performance-based bonus awards
Medical, vision, and dental coverage
401(k)
Stock purchase
Company-paid life insurance
PTO, including sick leave
Parental leave
Family care leave
Bereavement leave
Jury duty leave
Voting leave
Short-term and long-term disability
Company discounts
Military Leave Pay
Adoption and surrogacy expense reimbursement
PTO and/or PPTO for vacation, sick leave, holidays, or other purposes
Live Better U: Walmart-paid education benefits, including high school completion, bachelor's degrees, English Language Learning, and short-form certificates; tuition, books, and fees completely paid