Senior Commissioning Engineer
Charlotte, NC - USA
Department:
Job Summary
About CCR
CCR Commercial Refrigeration is a global leader in sustainable refrigeration solutions for food retail and industrial design and manufacture high-efficiency refrigeration systems display cabinets mechanical systems and turnkey solutions that help customers improve product merchandising while reducing energy consumption and operating combine engineering excellence disciplined execution and customer focus to deliver complex programs that support our growth strategy across regions and markets.
Position Summary
The Senior COâ‚‚ Commissioning Engineer is the technical authority responsible for leading the startup commissioning validation and optimization of our transcritical COâ‚‚ refrigeration systems across commercial and supermarket applications. This role owns the commissioning process from pre-startup readiness through customer turnover and early-life system 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.
Key Responsibilities
Commissioning Leadership & Execution
- Lead end-to-end startup and commissioning of transcritical COâ‚‚ systems including:
- Parallel compression
- Ejector-supported architectures
- Integrated heat reclaim and gas cooler solutions
- Review and validate pre-startup readiness ensuring all requirements are met prior to site mobilization.
- Direct and oversee contractor activities during commissioning including evacuation and charging.
- Fully commission and tune:
- Rack controllers and control logic
- Compressor staging and capacity management
- Pressure temperature and safety control strategies
- EMS and store integration
- Optimize system performance for stability efficiency and reliability under real-world operating conditions.
Technical Authority on Site
- Serve as the final technical decision-maker during startup activities.
- Troubleshoot complex mechanical electrical and controls issues encountered during commissioning.
- Coordinate with refrigeration contractors electricians controls vendors and internal teams.
- Identify installation deficiencies and drive corrective actions.
- Support remote or secondary startups requiring advanced expertise.
Documentation Handover & Customer Interface
- Complete detailed commissioning reports checklists and final validation documentation.
- Clearly document punch lists outstanding items and corrective action plans.
- Conduct system walk-throughs with customers and contractors.
- Establish post-startup support paths and expectations at project closeout.
Mentorship & Continuous Improvement
- Mentor and support Junior and Mid-Level Commissioning Engineers.
- Assist in development and refinement of commissioning procedures standards and best practices.
- Provide structured feedback to engineering product and technical support teams on:
- Recurring field issues
- Design improvements
- Control logic enhancements
- Act as a technical escalation resource for internal technical support teams.
Experience
- 8 years of commercial refrigeration experience.
- 5 years of direct hands-on experience commissioning transcritical COâ‚‚ systems. (2 years preferred)
- Proven experience independently commissioning full supermarket COâ‚‚ racks. (preferred)
- Demonstrated ability to lead commissioning efforts without supervision.
Technical Expertise
- Expert-level understanding of:
- Transcritical COâ‚‚ 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
Skills & Competencies
- 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.
Certifications & Education (Preferred)
- EPA Universal Certification (required).
- OEM COâ‚‚ commissioning or advanced systems training (preferred).
- Formal technical education or equivalent field experience.
Travel & Physical Requirements
- 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.
Required Experience:
Senior IC
About Company
Sustainable turnkey temperature solutions, trusted by the world's biggest brands.