Senior Technician, Facility Services, HVAC​/Refrigeration

Position Summary...

Role 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 refrigerant handling, and coordinates field teams to optimize system performance. The position requires collaboration with cross‑functional partners to implement operational improvements and support business priorities. Additionally, the Senior Technician provides hands‑on training, manages parts inventory, and participates in on‑call rotations to address critical service needs, contributing to the reliability and efficiency of facility services.

About the team: This team oversees scheduled maintenance and resource coordination to ensure facilities operate safely, cleanly, and efficiently. They collaborate with internal and external partners to maintain compliance with safety and environmental standards while managing costs effectively. Focused on accountability and problem‑solving, the team drives continuous improvement and operational excellence. Their efforts support a positive environment by delivering reliable service and upholding quality standards, ensuring HVAC and refrigeration systems perform optimally to meet business and customer needs.

• Oversee installation, commissioning, and maintenance of HVAC/R systems, including refrigeration units and control panels.
• 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, ensuring compliance with OSHA, EPA, and HVAC/R codes.
• Coordinate and mentor field teams, providing hands‑on training and skill evaluations.
• 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 business priorities.

• 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 systems.
• Proven ability to lead and mentor field technicians, 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 management of parts inventory, vendor relationships, and service coordination to meet operational priorities.
• Ability to document work accurately, including detailed notes and photographic evidence.
• Commitment to safety, integrity, and continuous improvement in facility services operations.

• 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

• 2701 S INTERSTATE 35, ROUND ROCK, TX , United States of America
• Walmart and its subsidiaries are committed to maintaining a drug‑free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.

• Option 1: 3 years’ experience in HVAC/grocery rack refrigeration.
• Option 2: 6 years’ experience in…