Senior Electrical Applications Engineer (hybrid)

Johnson Controls; San Antonio (TX); On-site; USD 90,000 - 125,000; Full time

Job summary

Johnson Controls seeks a Principal Electrical Applications Engineer to support advanced HVAC chiller systems for data centers and mission-critical environments. You will craft electrical designs, ensure regulatory compliance, and collaborate with sales, engineering, and product teams.

The role emphasizes power distribution, wiring, and system protection, with onsite work at New Freedom, PA or San Antonio, TX and relocation options available.

Qualifications

• Bachelor's degree in Electrical Engineering.
• 5+ years of experience.
• Knowledge of refrigeration systems.
• Willing to travel up to 20% for 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.
• Create power distribution layouts and one-line diagrams.
• Ensure NEC and UL compliance and perform wiring and protection sizing.
• Collaborate with engineering, product teams, and suppliers; assist with cost estimation.
• Troubleshoot field issues and support commissioning activities.

Skills

Electrical design

Power distribution

NEC/UL compliance

Pre-sale support

Education

Bachelor's in Electrical Engineering

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.

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 socialplatforms.

What You Will Do

Johnson Controls is seeking a highly skilled Principal Electrical Applications Engineer to support the application, design, and sale of advanced HVAC chiller systems. This role is critical in delivering electrically compliant, high-performance solutions for commercial and mission‑critical environments, including data centers.

The ideal candidate will bring deep expertise in electrical systems, power distribution, and electrical code compliance and will serve as a key technical partner to sales, engineering, and product teams. This position plays a vital role in translating customer requirements into robust, safe, and optimized electrical designs.

This position is onsite at our Advanced Development and Engineering Center in New Freedom, PA. An alternative location is San Antonio, TX. Candidates should be commuting distance to either of these facilities, or open to relocation. Various relocation packages are available.

How You Will Do It

• 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

Required

What you will need

• 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

HIRING SALARY RANGE: $90,000 - $125,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.) This position includes a competitive benefits package. The posted salary range reflects the target compensation for this role. However, we recognize that exceptional candidates may bring unique skills and experiences that exceed the typical profile.