Principal Electrical Applications Engineer

Johnson Controls seeks a Principal Electrical Applications Engineer to support the application, design, and sale of electrical systems for HVAC chiller applications. You will translate customer requirements into safe, compliant designs, provide technical support to sales and engineering teams, and help resolve field and commissioning issues. The position is onsite in New Freedom, PA, or San Antonio, TX, with travel up to 20%.

Responsibilities

• Provide pre-sale electrical engineering support to sales teams and customers.
• Develop and review power distribution layouts, one-line diagrams, control schematics, and equipment interfaces for HVAC chillers.
• Apply NEC, UL, and other applicable regulatory codes to ensure electrical compliance.
• Perform wire sizing, ampacity, overcurrent protection, short-circuit, and component-sizing calculations.
• Support motor control applications involving VFDs, soft starters, and across-the-line starters.
• Troubleshoot field electrical and commissioning issues, maintain technical documentation, and provide training to internal teams and field personnel.

Required Skills

• Electrical system design
• Power distribution
• One-line diagrams
• Control schematics
• NEC code compliance
• UL standards
• Wire sizing and ampacity calculations
• Overcurrent protection and short-circuit analysis
• Motor control systems
• Power quality and harmonics