[Hiring] Senior Commissioning Engineer @CCR Commercial Refrigeration

Role Description

The Senior CO₂ Commissioning Engineer is the technical authority responsible for leading the startup, commissioning, validation, and optimization of our transcritical CO₂ refrigeration systems across commercial and supermarket applications. This role owns the commissioning process from pre-startup readiness through customer turnover and early-life system support.

The Senior Commissioning Engineer operates with minimal supervision and is expected to make critical field decisions, mentor junior commissioning staff, and serve as the escalation point for complex system and controls issues.

Qualifications

• 8+ years of commercial refrigeration experience.
• 5+ years of direct hands-on experience commissioning transcritical CO₂ systems. (2 years preferred)
• Proven experience independently commissioning full supermarket CO₂ racks. (preferred)
• Demonstrated ability to lead commissioning efforts without supervision.

Requirements

• Expert-level understanding of transcritical CO₂ refrigeration theory and application.
• Compressor technologies (LT/MT, parallel compression).
• Gas coolers, flash tanks, ejectors.
• Electronic expansion valves and pressure control strategies.
• Advanced knowledge of rack control platforms and EMS integration.
• Ability to interpret and validate P&IDs, electrical schematics, control sequences and logic, installation drawings.
• High-level troubleshooting and root-cause analysis skills.
• Strong leadership presence and decision-making ability.
• Excellent written and verbal communication skills.
• Ability to manage multiple commissioning projects concurrently.
• Comfortable operating as the technical face of the company on-site.

Benefits

• EPA Universal Certification (required).
• OEM CO₂ commissioning or advanced systems training (preferred).
• Formal technical education or equivalent field experience.
• Extensive travel required (often weekly). 35-40 Weeks a year.
• Ability to travel by plane or car.
• Ability to work in mechanical rooms, rooftops, and live store environments.
• Ability to lift and transport diagnostic tools and field equipment.
• Flexibility to work extended hours during startup windows.