Principal Electrical Application Eng

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

About Johnson Controls Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education. For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward. Visit johnsoncontrols.com for more information and follow @Johnsoncontrols on social platforms.

What you will do

• 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
  • Equipment interface and integration
• Apply and interpret NEC, UL, and applicable regulatory codes to ensure compliant solutions
• Perform detailed engineering calculations, including:
  • Wire sizing and ampacity
  • Overcurrent protection and short circuit analysis
  • Electrical component sizing (breakers, fuses, transformers, contactors)
• 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 technical guidance to internal teams and field personnel
• Interface with suppliers to support electrical component selection and cost estimation
• Participate in product development initiatives with a focus on electrical architecture and compliance

What you will need

• Required Bachelor's degree in Electrical Engineering.
• 5+ years of experience.
• Knowledge of refrigeration systems.
• Able to travel up to 20% for factory visits, customer site visits and field visits related to training.
• Preferred Commercial HVAC industry experience.

HIRING SALARY RANGE: $90,000 - $130,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.) This role offers a competitive Bonus plan that will take into account individual, group, and corporate performance. This position includes a competitive benefits package.

Johnson Controls International plc. is an equal employment opportunity and affirmative action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, genetic information, sexual orientation, gender identity, status as a qualified individual with a disability or any other characteristic protected by law.

To view more information about your equal opportunity and non-discrimination rights as a candidate, visit EEO is the Law.

If you are an individual with a disability and you require an accommodation during the application process, please visit here.

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Your buildings have a purpose. They are places for people to live or work. Facilities for learning or healing. Venues for entertainment and shopping. Sites for the specialized storage of tangible goods or mission-critical data. Your buildings have a huge variety of functions; they are central to your mission. This is where Johnson Controls comes in, helping drive the outcomes that matter most. Through a full range of systems and digital solutions, we make your buildings smarter. A smarter building is safer, more comfortable, more efficient, and, ultimately, more sustainable.

Most important, smarter buildings let you focus more intensely on your unique mission. Better for your people. Better for your bottom line. Better for the planet. At Johnson Controls, we’ve been making buildings smarter since 1885, and our capabilities, depth of innovation experience, and global reach have been growing ever since. Today, we offer the world’s largest portfolio of building products, technologies, software, and services; we put that portfolio to work to transform the environments where people live, work, learn and play.