Senior Cascade Refrigeration Engineer

ASPBP; Marietta, Northern (OH, KY); Hybrid; USD 110,000 - 160,000; Full time

Benefits offered by this job

Relocation support may be available

Job summary

Thermo Fisher Scientific in Marietta, OH seeks an experienced Refrigeration Engineer (Adv Dev) to design cascade vapor‑compression systems for ULT freezers and cold storage. You will collaborate with engineering peers to deliver high‑performance, compliant cooling solutions.

In this hands‑on role, you’ll model thermal behavior, develop test plans, and guide products from concept to market while aligning with regulatory and manufacturing requirements. Travel up to 10% may be required.

Qualifications

• 5+ years hands-on experience developing vapor‑compression systems for cold storage or HVAC/R products, cascade systems preferred.
• Experience using natural refrigerants and other low GWP refrigerants in system designs.
• Experience with thermal system modeling, simulation, and performance testing.

Responsibilities

• Refrigeration System Development: Design and develop cascade vapor‑compression systems for ULT freezers and cold storage platforms.
• Develop specifications for system-level, subsystem and component performance.
• Develop and execute test plans to validate performance using reliability tools and data analysis.
• Design refrigeration systems meeting customer requirements, time-to-market, and target project costs.
• Create modular, scalable refrigeration solutions across multiple product platforms.
• Simulation, Modeling & Innovation: Analyze thermal behavior with thermo‑physical tools for component selection and system design.
• Perform design trade studies using modeling and empirical data to optimize performance and energy use.
• Participate in advanced development initiatives to mature next‑generation refrigeration technologies.
• Product Development & Cross‑Functional Collaboration: Collaborate with mechanical, electrical and controls teams during technology development.
• Deliver TRL maturation of innovative technologies prior to NPD introduction.
• Partner with manufacturing to ensure Design for Assembly and Design for Manufacturing.
• Contribute to roadmaps for components, subsystems and systems.
• Requirements, Compliance & Traceability: Verify traceability from customer and regulatory requirements.
• Ensure designs are Designed for Compliance to meet UL, IEC, FDA, CE, CSA, Energy Star.
• People and Culture: Engage in a culture of safety, quality, accountability, and continuous improvement.
• Travel: Up to 10% domestic travel.

Skills

Analytical thinking

Cross-functional collaboration

Root-cause analysis

Safety and quality mindset

Education

Bachelor's degree in mechanical engineering

Coursework in thermodynamics, heat transfer and fluid mechanics

Master's degree preferred

Tools

EES

Thermal modeling software

Data acquisition & testing tools

Job description

Thermo Fisher Scientific in Marietta, OH seeks an experienced Refrigeration Engineer (Adv Dev) to design cascade vapor‑compression systems for ULT freezers and cold storage. You will collaborate with engineering peers to deliver high‑performance, compliant cooling solutions.

In this hands‑on role, you’ll model thermal behavior, develop test plans, and guide products from concept to market while aligning with regulatory and manufacturing requirements. Travel up to 10% may be required.