Senior Thermal Design Engineer - Server Cooling & CFD

ZT Systems; Secaucus (NJ); On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

401(k) retirement plan

Tuition reimbursement

Paid time off

Parental leave

Comprehensive medical coverage

Professional development opportunities

Job summary

ZT Systems, a Sanmina Company, is seeking a Sr. Staff Thermal Design Engineer in Secaucus, NJ to lead thermal design from concept to release.

You will run server thermal tests, model heat transfer, and develop cooling strategies for high-density systems, collaborating with hardware, firmware, and supplier teams to ensure robust, scalable solutions. The role emphasizes hands-on lab work, CFD-based analysis, and managing full-cycle projects, including liquid cooling discussions and interaction

Qualifications

• Bachelor's degree in Mechanical, Industrial, or Electrical Engineering.
• 8+ years of related experience.
• Server testing or simulation experience is a plus.

Responsibilities

• Create analytical and numerical models by CFD to describe system thermal for new projects.
• Collaborate with cross-functional teams throughout the product development process, from conceptualization to prototyping and production.
• Work with the engineering team to optimize the thermal performance of servers using empirical data and bench test methods.
• Develop and execute test plans to measure thermal performance/efficiency of hardware and thermal technologies.
• Responsible for full cycle program / project management of key thermal components from engineering design to new product release.
• Design and investigate innovative thermal cooling solutions for server/rack level products.
• Interface with the Firmware team to implement fan speed control algorithm.
• Optimize airflow speed, volume, and flow paths to meet customer and components requirements.
• Proactively resolve any performance issues that arise, ensuring the delivery of high-quality solutions.
• Analyze and solve technical problems/issues in a fast-paced environment.
• Produce engineering documents that include design drawings, thermal reports, installation manuals from test and simulation data/result.
• Focused on the pursuit of continuous improvement to maintain the highest quality standards.
• Select/decide the appropriate methods and plans to verify thermal related issue to ensure good system thermal performance.
• Engage with external vendors including ODM and component vendors on design, test and production.
• Liquid cooling components survey, study, test and verify.
• Support new and existing product lines verify/confirm thermal and/or airflow related issues and provide solutions.
• Support procurement team to identify and manage heat sink, air mover and liquid cooling vendors.

Job description

ZT Systems, a Sanmina Company, is seeking a Sr. Staff Thermal Design Engineer in Secaucus, NJ to lead thermal design from concept to release.

You will run server thermal tests, model heat transfer, and develop cooling strategies for high-density systems, collaborating with hardware, firmware, and supplier teams to ensure robust, scalable solutions. The role emphasizes hands-on lab work, CFD-based analysis, and managing full-cycle projects, including liquid cooling discussions and interaction