Senior Mechanical Engineer - Marietta, OH
About The Position
As part of Thermo Fisher Scientific, the Senior Mechanical Engineer will help develop and sustain cascade refrigeration systems for the company’s cold storage and ultra-low temperature (ULT) product portfolio. The role involves designing high-performance, energy-efficient, compliant mechanical systems for scientific instruments, ULT freezers, and laboratory cold storage equipment. The engineer will work with engineers, technicians, NPD design leadership, and colleagues in Product Management, Controls Engineering, Quality, Regulatory, manufacturing, and operations to define system requirements, maintain traceability, and ensure products meet customer, performance, and regulatory expectations throughout the product lifecycle. The position supports products manufactured across multiple global facilities and includes up to 10% domestic travel.
Requirements
- Bachelor’s degree in mechanical engineering, systems engineering, chemical engineering, physics, or a related discipline.
- At least 5 years of hands-on experience developing mechanical systems.
- Experience with structural modeling and simulation, including CAD and FEA.
- 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.
- Fundamental understanding of mechanical systems for refrigeration/HVAC.
- Strong analytical, problem-solving, and root-cause analysis skills.
- Experience using engineering tools such as CAD, PLM, and Microsoft Office.
- Competency in simulation or other predictive design tools for design optimization.
- Strong communication and cross-functional collaboration skills.
- Excellent organizational skills in a fast-paced, multi-project environment.
- Commitment to safety, quality, and operational excellence.
Nice To Haves
- Master’s degree.
- Experience designing systems using sheet metal, engineered plastics, and foams.
- Experience with low- to ultra-low-temperature applications in cold storage or HVAC/R products.
- Experience with SolidWorks.
Responsibilities
- Design and develop mechanical systems for ULT freezers and cold storage platforms.
- Develop specifications for system-level, subsystem, and component performance.
- Develop and execute test plans to validate new mechanical systems using design-for-reliability tools and performance sensitivity analysis.
- Design systems to meet customer requirements, project schedules, and target costs.
- Create modular, scalable, and reusable solutions across product platforms.
- Analyze structural behavior using Computer Aided Engineering (CAE) tools to support component selection and mechanical system design.
- Perform design trade studies using modeling and empirical data to optimize system performance and energy consumption.
- Participate in assigned advanced development initiatives to mature new technologies.
- Collaborate with refrigeration, electrical, and controls engineering teams throughout the toll-gate NPD process.
- Partner with manufacturing and operations teams to support Design for Assembly (DfA) and Design for Manufacturing (DfM).
- Support products manufactured across multiple global facilities.
- Contribute to component-, subsystem-, and system-level technology roadmaps.
- Complete verification activities to confirm traceability to customer and regulatory requirements.
- Ensure systems are designed to meet applicable regulatory and certification requirements.
- Promote a culture of safety, quality, accountability, and continuous improvement.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
