Master HVAC/R Technician Supervisor

Shell Mobility and Convenience USA•Houston, TX

About The Position

The Master HVAC/R Technician provides expert-level technical support, diagnostics, and guidance for heating, ventilation, air conditioning, and refrigeration systems across Texas locations. This role ensures system reliability, energy efficiency, regulatory compliance, and high-quality repairs by internal technicians and external contractors. The position serves as a technical escalation point and subject matter expert for HVAC/R systems.

Requirements

Minimum 10 years of progressive experience in commercial HVAC/R service supporting convenience retail environment.
Expert-level technical aptitude in commercial HVAC and refrigeration systems.
EPA Universal Certification (required).
Rooftop units (RTUs).
Split systems and heat pumps.
Commercial refrigeration (reach-ins, walk-ins, ice machines preferred).
HVAC controls and basic BAS concepts.
Demonstrated experience providing remote diagnostic and technical support to technicians and contractors.
Proven ability to diagnose complex mechanical, electrical, and controls-related issues.
Strong analytical and problem-solving skills with attention to detail.
Ability to clearly communicate technical information to technicians, contractors, and leadership.
Capable of working independently while collaborating effectively with cross-functional teams.
Comfortable supporting a fast-paced, multi-site retail environment.
Travel required between supported stores, and supply houses.

Nice To Haves

Familiarity with Microsoft Excel, Outlook, and computerized maintenance management systems (CMMS) preferred.

Responsibilities

Review incoming HVAC/R-related work orders and perform advanced remote diagnostics, troubleshooting, and root-cause analysis.
Prioritize internal WO assignment for high-frequency / low complexity tasks.
Develop internal PM schedule and scope of work.
Serve as the technical escalation resource for complex HVAC and commercial refrigeration issues that exceed field technician capability.
Provides technical leadership, mentorship, and guidance to HVAC/R technicians and maintenance staff.
Development of internal HVAC/R trade capabilities.
CAPEX project planning and execution for system replacements and upgrades.
Implementation and optimization of preventive and reactive maintenance programs.
Provide technical training, coaching, and field-level guidance to maintenance technicians to improve repair quality and first-time fix rates.
Collaborate with internal teams and external contractors to resolve recurring system failures and chronic equipment issues.
Review contractor repairs, scopes of work, and recommendations to ensure technical accuracy, cost effectiveness, and long-term reliability.
Maintain relevant skillset on commercial HVAC/R technologies, controls, refrigerants, regulations, and energy efficiency advancements.
Support special projects, system upgrades, and standardization initiatives to improve safety, performance, uptime, and customer experience.
Ensure all work complies with OSHA, EPA, safety standards, and company policies.