About The Position

The Senior Technician, HVAC/Refrigeration oversees installation, commissioning, maintenance, diagnostics, and repair of commercial and industrial HVAC/R systems. The role covers ductwork, control panels, building pneumatics, rack systems, walk-ins, reach-ins, and supermarket refrigeration units, with an emphasis on system performance, equipment reliability, and regulatory compliance. The position leads field teams, coordinates assignments, mentors and trains technicians, and handles escalated service issues. It also requires accurate work-order documentation and other written and electronic reporting. The technician must follow OSHA standards, EPA refrigerant-handling protocols, applicable HVAC/R codes, indoor air quality and cold-chain requirements, and environmental guidelines for refrigerant reclamation. Leadership and business responsibilities include identifying customer needs and business priorities; collaborating with managers, associates, customers, and business partners; improving processes; monitoring work and identifying opportunities; and supporting company policies, ethics, and compliance. Walmart emphasizes respect for the individual, integrity, customer service, and excellence.

Requirements

  • Must be at least 18 years old.
  • High school diploma or equivalent.
  • 10 years of experience in commercial refrigeration HVAC maintenance.
  • Large-scale rack refrigeration experience.
  • Type I and Type II, or Universal, EPA certification for refrigerant handling.
  • Valid state-issued driver's license with a clean driving record and ability to pass a Motor Vehicle Record (MVR) report.

Responsibilities

  • 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 to extend equipment life and reduce downtime.
  • Manage rack systems, walk-ins, reach-ins, and supermarket refrigeration units to ensure performance and compliance.
  • Use heavy machinery.
  • Submit expense vouchers, weekly summaries, work orders, maintenance logs, and other required written and electronic information.
  • Enter detailed work-order notes, including 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, including indoor air quality and cold-chain requirements.
  • Reclaim ozone-depleting refrigerants and maintain compliance with environmental guidelines.
  • Lead HVAC/R field teams by coordinating assignments, mentoring less-experienced technicians, and managing escalated service issues.
  • Provide on-the-job training to Developmental Technicians and hands-on instruction to Technician-level associates.
  • Deliver hands-on training on safety, control troubleshooting, and system operations.
  • Share resources, information, and tools while leading and participating in teams.
  • Determine customer needs and business priorities.
  • Coordinate and execute work assignments while providing advice, feedback, and support.
  • Develop, communicate, and implement processes and practices to meet business needs.
  • Collaborate with managers, co-workers, customers, and business partners.
  • Analyze information from multiple sources, monitor progress, and identify improvement opportunities.
  • Demonstrate, promote, and support compliance with company policies, procedures, ethics, and integrity standards.
  • Guide associates in applying company policies and procedures and assist management in addressing ethical and compliance issues.

Benefits

  • Competitive pay and performance-based bonus awards.
  • Medical, vision, and dental coverage.
  • 401(k).
  • Stock purchase plan.
  • Company-paid life insurance.
  • Paid time off, including sick leave.
  • Parental leave, family care leave, bereavement leave, jury duty leave, and voting leave.
  • Short-term and long-term disability.
  • Company discounts.
  • Military Leave Pay.
  • Adoption and surrogacy expense reimbursement.
  • Additional employee benefits.
  • $7,500 sign-on bonus.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service