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Senior Refrigeration Engineer

ThermoFisher Scientific • Marietta, OH • 9h ago

Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Office

Job Description

As part of the Thermo Fisher Scientific team, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond. Whether our customers are accelerating life sciences research, solving complex analytical challenges, improving patient diagnostics and therapies, or increasing productivity in their laboratories, we are here to support them.

DESCRIPTION:

Join our engineering team, where you'll help drive innovation in the development of sophisticated scientific instruments and laboratory equipment. As Refrigeration Engineer (ULT), you will design, develop, and sustain cascade refrigeration systems supporting Thermo Fisher's cold storage and ultra-low temperature (ULT) product portfolio. In this hands-on role, you will collaborate with other refrigeration engineers and technicians to deliver high-performance, energy-efficient, and compliant cooling solutions. You will partner closely with NPD design leadership and cross functional peers in Product Management, Controls Engineering, Quality, and Regulatory to define refrigeration systems, maintain traceability, and ensure products meet customer, performance, and regulatory expectations throughout the product lifecycle.

WHAT YOU WILL DO:

Refrigeration System Development

Design and develop cascade vapor-compression systems used in ULT freezers and cold storage platforms.

Develop specifications for system-level, subsystem and component performance.

Develop and 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.

Create modular, scalable, and reusable refrigeration solutions across multiple product platforms.

Simulation, Modeling & Innovation

Analyze the thermal behavior of the refrigeration system with thermo-physical tools for component selection and overall refrigeration system design.

Complete design trade studies using modeling and empirical data to optimize system performance and energy consumption.

Participate in advanced development initiatives to mature next-generation refrigeration technologies as assigned.

Product Development & Cross-Functional Collaboration

Collaborate with mechanical, electrical, and controls engineering teams through all phases of the toll-gate NPD process.

Partner with manufacturing and operations teams to ensure Design for Assembly and Design for Manufacturing.

Support products manufactured across multiple global facilities.

Contribute to component, sub-system, and system-level technology roadmaps.

Requirements, Compliance & Traceability

Complete verification activity to confirm traceability from customer and regulatory requirements

Ensure refrigeration designs are Designed for Compliance to meet regulatory and certification requirements (e.g., 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.

REQUIREMENTS:

Education

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

Coursework in thermodynamics, heat transfer, and fluid mechanics strongly preferred

Master's degree preferred

Experience

5+ years of 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

Experience 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, Skills, and Abilities

Fundamental understanding of vapor-compression and cascade refrigeration systems

Strong analytical, problem-solving, and root-cause analysis skills

Competency in using engineering tools such as EES, thermal modeling software, and refrigerant properties and selection

Knowledge of refrigeration system testing methods and equipment

Strong communication and cross-functional collaboration skills

Excellent organizational skills in a fast-paced, multi-project environment

Commitment to safety, quality, and operational excellence

Thermo Fisher Scientific is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other legally protected status.

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