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 troubleshooting of complex HVAC/R systems across commercial and industrial settings. This role ensures compliance with safety and environmental standards while managing preventive maintenance programs to optimize equipment performance and longevity. The position involves mentoring team members, coordinating service activities, and supporting critical business needs through timely issue resolution. The Senior Technician collaborates with cross‑functional teams to enhance operational processes and drives continuous improvement by evaluating new technologies and implementing effective solutions.

The Facility Services HVAC/Refrigeration team is dedicated to maintaining and repairing critical systems that support Walmart’s commercial and industrial facilities. This team oversees installation, diagnostics, preventive maintenance, and compliance with safety and environmental standards. Members collaborate closely to manage equipment performance, troubleshoot issues, and implement improvements. They coordinate service calls, maintain parts inventory, and ensure timely resolution of operational needs. The team fosters skill development through hands‑on training and mentorship, supporting business priorities with a focus on reliability, safety, and efficiency to uphold Walmart’s commitment to operational excellence.

• Oversee installation, commissioning, and maintenance of HVAC/R systems, including refrigeration units and building pneumatics.
• Lead diagnostics and troubleshooting of mechanical, electrical, and refrigerant issues to ensure optimal system performance.
• Implement and monitor preventive maintenance programs to extend equipment life and minimize downtime.
• Manage refrigerant handling and compliance with OSHA, EPA, and HVAC/R codes.
• Coordinate and mentor field teams, providing hands‑on training and evaluating skill development.
• Maintain accurate documentation, work orders, and inventory records.
• Support on‑call rotations and respond promptly to critical service needs.
• Collaborate with cross‑functional teams to improve processes and implement new technologies.

• Extensive experience in installation, commissioning, and maintenance of HVAC/R systems, including commercial and industrial refrigeration units.
• Strong diagnostic and troubleshooting skills for mechanical, electrical, and refrigerant‑related issues.
• Proven ability to lead and mentor field teams, providing hands‑on training and development.
• Knowledge of OSHA standards, EPA refrigerant handling protocols, and compliance with federal, state, and local HVAC/R codes.
• Proficiency in managing parts inventory, vendor relationships, and coordinating service workloads.
• Effective communication skills to document work accurately and collaborate across teams.
• Commitment to safety, integrity, and continuous improvement in facility services operations.

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…