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Thermal Systems Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: FPC Franchise
Full Time position
Listed on 2026-06-18
Job specializations:
  • Engineering
    Mechanical Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

Mechanical Engineer II – Thermal Systems

Join a growing engineering team within a mid‑sized defense technology manufacturer focused on advanced thermal and HVAC systems. This role supports the design, testing, and analysis of heat transfer and refrigeration equipment used in complex industrial and military applications. The position is based in a central U.S. region and offers strong exposure to next‑generation product development.

You’ll be a great fit if you:
  • Have experience performing heat transfer and thermodynamic analysis for HVAC or refrigeration systems.
  • Have designed or supported development of heat exchangers, air handling units, or similar thermal systems.
  • Are comfortable selecting and sizing components for fluid systems such as pumps, valves, and piping.
  • Have worked with testing, data analysis, and performance validation of mechanical systems.
What you get:
  • Work on complex, high‑impact thermal systems used in critical applications.
  • Gain exposure to next‑generation product design with strong visibility across engineering teams.
  • Join a stable and growing organization within the defense sector.
  • Competitive compensation package with strong long‑term career growth potential.
To be considered you’ll need:
  • A bachelor’s degree in mechanical engineering or a related technical field.
  • Approximately 5+ years of experience in mechanical design, ideally within HVAC, refrigeration, or heat‑transfer systems.

If this resonates you and you believe you are able to meet the challenges of an exciting company in the defense sector, please apply.

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