Sr Engineer - Refrigerant / HVAC

AAR • CADILLAC, MI, United States • Posted June 03, 2026

Location CADILLAC, MI
Job Type Full-time
Category other-general
Posted June 03, 2026
**Title:** Sr Engineer - Refrigerant / HVAC
**Location:** United States-Michigan-Cadillac
**Job Number:** 18070

**Summary:**

The title of the position. A summary of the role’s overall purpose and how it fits into the organization. Information on who the role reports to and any direct reports the position might have.

**What you will be responsible for:**

● **System Design and Component Selection:** Proficiency in designing complete air conditioning systems, including heat exchanger design, compressor selection, refrigerant selection (with emphasis on low-GWP options compliant with DoD regulations), air flow design, static pressure calculations, and fan selection. Experience optimizing system COP (Coefficient of Performance) using specialized air conditioner design software. Experience with Excel and macros a plus.

● **Electrical and Control Systems:** Expertise in electrical control design, including safety timers and s...

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