Nathaniel Polzin

Experience

• 

  North Carolina State University

  Nov 2020 - May 2023

  Ensured the safety and well-being of patrons at the NCSU Wellness and Recreation Center by enforcing safety guidelines and making quick decisions under pressure.

  • Certified Personal Trainer

    Aug 2022 - May 2023

  • Aquatics Supervisor

    Nov 2020 - May 2023
• 

  Carrier

  May 2021 - Aug 2021

  Engineering Supply Chain Intern

  • Researched and identified areas of excessive spending; restructured the economizer by removing an excess part totaling $22 a unit and redesigning the model to better fit the product.• Lead a project on producing a Costed Bill of Materials to identify a price for a base unit of Carriers new Products by leveraging AutoCAD, Technical Drawing, and purchasing software to alter the design and Pricing of an MCS unit.• Developed and launched central database to house engineered cost reduction opportunities that enabled cross-functional collaboration by brainstorming through validated implementation, used by 30+ engineers and supply chain professionals to identify and implement $2M of cost savings annually. • Spearheaded the procurement of Technical Drawings, BOM, and Engineering Requirements to be quoted in a new material resulting in a cost saving ~ 50% Show less

• 

  Carrier

  May 2022 - Aug 2022

  Design to Value & Quality Engineering Intern

  • Leveraged Six Sigma and Lean Principles to develop a more streamlined project implementation process that reduces project delay and incorporates all relevant data needed to make decisions. • Performed cost opportunity projects to reduce manufacturing and supplier cost in a variety of commercial products by altering designs and material.

• 

  Carrier

  Jun 2023 - now

  ∙ Design and tested surface features to maximize heat transfer in nucleate boiling for direct to chip cooling in data center applications. ∙ Developed machine Learning model to accurately predict in tube heat transfer in given HX models.∙ Researched and analyzed natural refrigerant alternatives to reduce global warming impact while maintaining competitive product performance. ∙ Implemented design changes aimed at improving quality, reducing cost and streamlining manufacturing.∙ Identified product improvement solutions to satisfy internal and external customer needs.∙ Qualified new parts and suppliers in in a fast-paced environment to minimize manufacturing downtime.

  • Chiller Systems Engineer

    Oct 2024 - now

  • Mechanical/Heat Engineer

    Feb 2024 - Oct 2024

  • Sustaining Engineer

    Jun 2023 - Feb 2024