Senior Technician, Facility Services, HVAC​/Refrigeration

Position Summary

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 requires effective documentation, vendor coordination, and adherence to regulatory protocols. Additionally, the Senior Technician provides hands‑on training, supports critical service needs, and drives continuous improvements by evaluating new technologies and refining operational processes to meet evolving business objectives.

This team collaborates closely with management and business partners to prioritize tasks, troubleshoot issues, and implement effective solutions while maintaining safety and environmental standards. Members apply expertise in preventive maintenance, equipment repair, and resource management to support continuous improvement and operational excellence. Committed to dependable service aligned with Walmart's values, the team fosters a professional environment that supports business needs and ensures compliance with industry regulations and company policies.

Their efforts contribute to reliable facility operations and sustained performance across HVAC and refrigeration systems.

• 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 maximize equipment reliability and minimize downtime.
• Manage refrigerant handling, ensuring compliance with OSHA, EPA, and environmental regulations.
• Coordinate and mentor field teams, providing hands‑on training and evaluating technician performance.
• Maintain accurate documentation, including work orders, maintenance logs, and expense reports.
• Support on‑call rotations to address urgent service needs promptly.
• Manage parts inventory, vendor relationships, and service scheduling to meet operational priorities.

• Proven experience in installation, commissioning, and maintenance of commercial and industrial HVAC/R systems.
• Strong diagnostic and troubleshooting skills for mechanical, electrical, and refrigerant‑related issues.
• Knowledge of OSHA standards, EPA refrigerant handling protocols, and HVAC/R codes compliance.
• Ability to lead and mentor field teams, providing hands‑on training and technical guidance.
• Proficiency in managing preventive maintenance programs to optimize equipment performance and reduce downtime.
• Experience coordinating service calls, parts inventory, and vendor relationships to meet operational needs.
• Effective communication and collaboration skills to support cross‑functional teams and continuous improvement.

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 on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see  Live Better U is a Walmart‑paid education benefit program for full‑time and part‑time associates in Walmart and Sam’s Club facilities.

Programs range from high school completion to bachelor's degrees, including English Language Learning and short‑form certificates.…