Thermo Fisher Scientific

Senior Refrigeration Engineer - Marietta, OH

Thermo Fisher Scientific$90K — $120K *
Manufacturing & Automotive
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in mechanical engineering or related discipline; Master's preferred.
  • 5+ years of hands-on experience with vapor-compression systems; cascade systems preferred.
  • Experience with natural refrigerants and low GWP refrigerants.
  • Knowledge in thermal system modeling, simulation, and performance testing.
  • Strong analytical and problem-solving skills; familiarity with Lean methodologies.

Responsibilities

  • Design and develop cascade vapor-compression systems for ULT freezers.
  • Develop system-level performance specifications and execute test plans.
  • Analyze thermal behavior and complete trade studies for optimization.
  • Collaborate with cross-functional teams to support technology development.
  • Ensure designs align with customer and regulatory requirements.

Benefits

  • Culture of safety, quality, and continuous improvement.
  • Opportunity for professional development and career growth.
  • Up to 10% domestic travel for project collaboration.
Full Job Description
Work Schedule
Standard (Mon-Fri)

Environmental Conditions
Office

Job Description

DESCRIPTION:
Join our engineering team, where you'll help drive innovation in the development of sophisticated scientific instruments and laboratory equipment. As Refrigeration Engineer (Adv Dev), you will design and develop 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 during technology development.
  • Deliver TRL maturation of innovative technologies and solutions prior to NPD introduction.
  • Partner with manufacturing and operations teams to ensure Design for Assembly and Design for Manufacturing.
  • 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


Relocation support may be available.

About Thermo Fisher Scientific

Thermo Fisher Scientific Careers

Join the vibrant team at Thermo Fisher Scientific, a global leader in serving science and making the world healthier, cleaner, and safer. With a workforce of over 75,000 professionals, Thermo Fisher Scientific offers unparalleled job opportunities and a culture of innovation that propels your career to new heights. Work You’ll Do At Thermo Fisher Scientific, you will be part of a team that is dedicated to enabling our customers to make the world healthier. Whether you are involved in the development of life-saving drugs or innovative environmental solutions, your work will have a profound impact on society. Our commitment to leadership in the industry is unwavering. With Thermo Fisher Scientific, you will lead projects that set standards in scientific inquiry and market leadership. You will work at the intersection of science, technology, and industry expertise, driving digital innovation in every aspect of our business. Join our diverse team of professionals and engage in roles that span across various functions and disciplines. From research and development to marketing and sales, the breadth of job opportunities available means that you can find the perfect match for your skills and passions. Innovative Work As part of our team, you will have access to cutting-edge tools and technologies that foster creativity and innovation. Thermo Fisher Scientific is home to a dynamic range of career paths, all designed to challenge you and help you grow as a professional. Our employment philosophy emphasizes diversity and inclusivity, ensuring that all team members have the opportunity to thrive. We believe in nurturing talent through robust training programs, leadership development, and opportunities for career advancement. Be Part of a Great Team Working at Thermo Fisher Scientific means being part of a global network of enthusiastic, talented, and ambitious individuals. Our culture is built on collaboration, where each member’s unique skills and perspectives are valued. You will enjoy benefits that support both your professional growth and personal well-being. Future-Proof Your Career Embark on a journey of growth and continuous learning with Thermo Fisher Scientific. We offer a variety of training and development programs that cater to your interests and career goals. From internships for budding scientists to leadership training for aspiring executives, our programs are designed to equip you with the skills needed for a successful and fulfilling career. Explore Discover how our commitment to innovation leads to advancements in health and science: [Read More] Learn about our leadership in environmental sustainability and how you can contribute: [Read More] The Thermo Fisher Scientific Difference Our global presence and commitment to innovation mean that your work extends beyond borders and makes a tangible impact worldwide. The collaboration between our teams drives our leadership in the scientific community and contributes to a culture that embraces diversity and fosters professional growth. Stay Connected Join Our Team Search open positions that match your skills and interest. We are always on the lookout for passionate, curious, and driven team players. Explore our job opportunities and find out how you can contribute to our meaningful work. SEARCH THERMO FISHER SCIENTIFIC JOBS Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. READ CAREERS BLOG Job Alert Emails Customize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding opportunities that await at Thermo Fisher Scientific.
Learn more about Thermo Fisher Scientific
Size
130,000 employees
Market Cap
$213.3 billion
Industry
Net Income
$6.3 billion
Founded
1956
5 Year Trend
+16.5%
Revenue
$32.2 billion
NASDAQ

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