Thermal Packaging Engineer

Location: La Vergne, TN (Greater Nashville area)

EFP, LLC is seeking a Thermal Packaging Enginee
r to support the design, testing, and commercialization of cold chain packaging systems. Based in our Testing and Development Lab in La Vergne, TN, this role combines hands‑on laboratory work with structured product development to deliver solutions that perform reliably in demanding real‑world shipping environments.

• Design and execute thermal test plans for cold chain packaging systems, including EPS, EPP, PUR, VIP, fiber insulation, gel and PCM refrigerants, and dry ice configurations.
• Run standardized and customer‑specific test profiles, including ambient, seasonal, and lane‑based profiles.
• Perform packaging pack‑outs and maintain build documentation and test records.
• Analyze thermal performance data and translate results into design improvements.
• Support product development from requirements and feasibility through verification, validation, and product release.
• Prepare technical reports and performance summaries.
• Collaborate with Product Management, Sales, Operations, Quality, and Supply Chain Teams.

• Bachelor’s degree in Packaging Engineering or a related engineering field preferred.
• 3+ years of experience in thermal packaging, cold chain packaging, or package performance testing.
• Experience with thermocouples, data loggers, and thermal chambers.
• Strong technical writing and analytical skills.
• Experience with ISTA‑style thermal qualification, cold chain materials, or manufacturing transfer is a plus.

EFP offers the opportunity to work on applied engineering projects in a hands‑on lab environment while collaborating with cross‑functional teams to bring new packaging solutions to market.