Refrigeration Engineer - Marietta, OH

This job is with Thermo Fisher Scientific, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Standard (Mon-Fri)Environmental ConditionsOfficeJob DescriptionAs 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:Contribute to innovations that make the world healthier, cleaner, and safer. 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 DevelopmentDesign and develop cascade vapor-compression systems used in ULT freezers and cold storage platforms.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 & InnovationAnalyze the thermal behavior of the refrigeration system with thermo-physical tools for component selection and overall refrigeration system design.Participate in advanced development initiatives to mature next-generation refrigeration technologies as assigned.Product Development & Cross-Functional CollaborationCollaborate 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.Requirements, Compliance & TraceabilityComplete verification activity to confirm traceability from customer and regulatory requirementsEnsure refrigeration designs are Designed for Compliance to meet regulatory and certification requirements (e.g., UL, IEC, FDA, CE, CSA, Energy Star).People and CultureEngage in a culture of safety, quality, accountability, and continuous improvement.Travel: Up to 10% domestic travel.REQUIREMENTS:EducationBachelor's degree in mechanical engineering, systems engineering, chemical engineering, physics, or related disciplineCoursework in thermodynamics, heat transfer, and fluid mechanics strongly preferredMaster's degree preferredExperience0-2 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 testingExperience analyzing empirical test data to guide design decisionsFamiliarity with data acquisition systems, automated testing, and technical documentationFamiliarity with Lean / PPI methodologies and continuous improvement systemsKnowledge, Skills, and AbilitiesFundamental understanding of vapor-compression and cascade refrigeration systemsStrong analytical, problem-solving, and root-cause analysis skillsCompetency in using engineering tools such as EES, thermal modeling software, and refrigerant properties and selectionStrong communication and cross-functional collaboration skillsExcellent organizational skills in a fast-paced, multi-project environmentCommitment to safety, quality, and operational excellence