Senior Electrical Applications Engineer — HVAC & Chillers

Johnson Controls; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

Johnson Controls seeks an experienced Electrical Engineer to support pre‑sale activities, develop electrical designs for HVAC chillers, and ensure compliance with applicable codes. You will perform wire sizing, short‑circuit analysis, and protection calculations; apply NEC/UL standards; and collaborate with engineering and manufacturing teams across projects.

Bachelor's degree in Electrical Engineering is required; 5+ years of experience; knowledge of refrigeration systems; travel up to 20% for

Qualifications

• Bachelor's degree in Electrical Engineering is required.
• 5+ years of experience.
• Knowledge of refrigeration systems.
• Willing to travel up to 20% for factory visits and site visits.

Responsibilities

• Provide pre-sale electrical engineering support to internal sales teams and external customers.
• Develop and review electrical system designs for HVAC chiller applications, including power distribution layouts, one-line diagrams and control schematics.
• Apply and interpret NEC, UL, and applicable regulatory codes to ensure compliant solutions.
• Perform detailed engineering calculations, including wire sizing, ampacity, overcurrent protection and short circuit analysis.
• Support application of motor control systems, including VFDs, soft starters, and across-the-line starters.
• Collaborate with product engineering, contract engineering, and manufacturing teams to ensure accurate execution of electrical designs.
• Evaluate project specifications and propose customized electrical solutions to meet customer requirements.
• Troubleshoot and resolve field electrical issues, commissioning challenges, and compliance questions.
• Provide expertise on power quality, grounding, harmonics, and system protection strategies.
• Develop and maintain technical documentation, standards, and application tools; deliver training and guidance to teams.
• Interface with suppliers to support electrical component selection and cost estimation.
• Participate in product development initiatives with a focus on electrical architecture and compliance.

Skills

Electrical engineering

Power distribution layouts

NEC compliance

Project collaboration

Education

Bachelor's degree in Electrical Engineering

Tools

VFDs

Soft starters

Across-the-line starters

Motor control systems

Job description

Johnson Controls seeks an experienced Electrical Engineer to support pre‑sale activities, develop electrical designs for HVAC chillers, and ensure compliance with applicable codes. You will perform wire sizing, short‑circuit analysis, and protection calculations; apply NEC/UL standards; and collaborate with engineering and manufacturing teams across projects.

Bachelor's degree in Electrical Engineering is required; 5+ years of experience; knowledge of refrigeration systems; travel up to 20% for