Senior Technician, Facility Services, HVAC​/Refrigeration

Position Summary...

What you'll do...Role summary:

The Senior Technician, Facility Services, HVAC/Refrigeration, leads the installation, maintenance, and repair of complex HVAC/R systems across commercial and industrial settings. This role oversees diagnostics, preventive maintenance, and compliance with safety and environmental standards while managing field teams and vendor relationships. The position requires coordinating service priorities, delivering technical training, and supporting critical business operations through timely issue resolution. The Senior Technician drives continuous improvement by evaluating new technologies and refining processes, ensuring optimal system performance and contributing to the overall operational excellence of facility services.

The Facility Services HVAC/Refrigeration team ensures the reliable operation of Walmart and Sam’s Club commercial refrigeration and HVAC systems. This team handles preventative and reactive maintenance, troubleshooting, and repairs across various equipment, including refrigerated cases, walk‑in coolers, and rooftop HVAC units. Members collaborate to maintain compliance with safety and environmental standards while supporting multiple store formats. The team emphasizes technical expertise, effective communication, and continuous improvement to keep facilities running efficiently and protect products.

They also provide training and mentorship to enhance skills and support business priorities.

• 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.
• Track parts inventory, manage vendor relationships, and ensure timely service delivery.
• Participate in on‑call rotation to support critical business needs outside regular hours.

• Extensive experience in installation, commissioning, and maintenance of HVAC/R systems, including refrigeration units and control panels.
• Strong diagnostic and troubleshooting skills for mechanical, electrical, and refrigerant systems in commercial and industrial settings.
• Proven ability to lead and mentor field teams, providing hands‑on training and performance feedback.
• Knowledge of OSHA standards, EPA refrigerant handling protocols, and compliance with federal, state, and local HVAC/R codes.
• Effective coordination of service calls, parts inventory management, and vendor relationships to meet operational priorities.
• Ability to manage on‑call responsibilities and respond promptly to critical service needs.
• Skilled in documenting work orders with detailed notes and photographic evidence.

At Walmart, we offer competitive pay as well as performance‑based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company‑paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short‑term and long‑term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends…