Senior Refrigeration Engineer - Cascade Cold-Storage Systems

Yoh, A Day & Zimmermann Company; Columbus (OH); On-site; USD 77,000 - 110,000; Full time

Benefits offered by this job

Medical, Prescription, Dental & Vision

Health Savings Account

Life & Disability Insurance

401K Retirement Savings Plan

Direct Deposit & weekly epayroll

Certification and training

Referral bonus programs

Job summary

Yoh, a Day & Zimmermann company, is seeking a Refrigeration Engineer for its Research and Development Client in Marietta, Ohio. The role focuses on designing cascade vapor‑compression systems for ULT freezers and cold storage, with emphasis on performance specifications and regulatory compliance.

The ideal candidate will have 5+ years of hands-on vapor-compression experience, familiarity with natural refrigerants, and strong modeling and testing skills.

Qualifications

• Bachelor's degree in mechanical engineering, systems engineering, chemical engineering, physics, or related discipline.
• Master's degree preferred.
• 5+ years of hands-on experience developing vapor-compression systems for cold storage or HVAC/R products.
• Experience using natural refrigerants and other low GWP refrigerants in system designs.
• Thermal system modeling, simulation, and performance testing.
• Analyzing empirical test data to guide design decisions.
• Familiarity with data acquisition systems, automated testing, and technical documentation.
• Familiarity with Lean / PPI methodologies and continuous improvement systems.
• Knowledge of refrigeration system testing methods and equipment.

Responsibilities

• Design and develop cascade vapor-compression systems used in ULT freezers and cold storage platforms.
• Develop specifications for system-level, subsystem and component performance.
• Execute test plans to validate the performance of newly developed refrigeration systems by utilizing design for reliability tools and performance sensitivity analysis.
• Design refrigeration systems that meet customer requirements, time to market commitments and that are within the target cost of the projects.
• Analyze the thermal behavior of the refrigeration system with thermo-physical tools for component selection and overall refrigeration system design.
• Ensure refrigeration designs are Designed for Compliance to meet regulatory and certification requirements (e.g., UL, IEC, FDA, CE, CSA, Energy Star).

Education

Bachelor’s degree in mechanical engineering, systems engineering, chemical engineering, physics, or related discipline

Master’s degree preferred

Tools

Data acquisition systems

Automated testing

Job description

Yoh, a Day & Zimmermann company, is seeking a Refrigeration Engineer for its Research and Development Client in Marietta, Ohio. The role focuses on designing cascade vapor‑compression systems for ULT freezers and cold storage, with emphasis on performance specifications and regulatory compliance.

The ideal candidate will have 5+ years of hands-on vapor-compression experience, familiarity with natural refrigerants, and strong modeling and testing skills.