Mechanical Project Applications Engineer - Chillers

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

Johnson Controls is hiring! Step into a highly visible and impactful role where engineering expertise meets customer innovation. As a Mechanical Project Application Engineer, you will play a critical role in driving the success of Johnson Controls’ Chiller Solutions business by partnering directly with customers and internal teams to bring complex HVAC solutions to life.

Based in our San Antonio production facility, you will be at the center of customer engagement—leading technical discussions, supporting solution development, and hosting hands-on testing and evaluation activities. From early-stage concept exploration through real-world validation, you’ll help shape solutions that address some of the most demanding chiller and heat pump system challenges.

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How you will do it

• Partner closely with customers and internal teams every day—including SAT testing teams and field sales—to solve technical challenges, answer product questions, and optimize system performance.

• Deliver expert application guidance and creative problem-solving, leveraging deep technical knowledge and competitor insights to turn customer needs into winning solutions.

• Build smarter ways of working by developing tools, documentation, and automated resources that empower field sales teams and streamline responses to common inquiries.

• Turn customer engagement into strategic insight—analyzing why JCI wins, what competitors are offering, and where the market is heading—then translating those learnings into white papers, sales tools, and actionable feedback for product management.

• Support high-impact, complex projects by staying connected to the pipeline, providing proactive guidance to the field, and collaborating across application engineering teams to deliver successful outcomes.

• Navigate and resolve real-world challenges by advising customers and sales teams through equipment, application, and code-related issues with confidence and clarity.

• Drive alignment across teams by communicating effectively with sales, design engineers, and product management to ensure customer requirements are fully understood and executed seamlessly.

• Represent Johnson Controls as a trusted expert, confidently engaging with customers while identifying new opportunities to expand our solutions and market presence.

• Leverage engineering systems and technical documentation to deliver accurate, timely, and high-quality responses to product and application inquiries.

• Help shape world-class customer experiences by collaborating with global factories to standardize and elevate on-site and remote testing processes and visits.

• Share your expertise through training and development, creating and delivering impactful sales training programs both on-site and in the field.

• Stay ahead of the market by maintaining a strong understanding of JCI and competitor products, emerging technologies, industry trends, and regulatory influences.

• Excel in a fast-paced, collaborative environment while also working independently with strong ownership and accountability.

• Manage priorities effectively to consistently meet and exceed customer expectations.

• Champion continuous improvement, identifying opportunities to refine processes and enhance team performance.

What you will need
Required

• Bachelor's degree in Engineering

• 5 years experience in refrigeration or a related field

• Understanding of the principles of large refrigeration systems and associated equipment

HIRING SALARY RANGE: $100,000 - $135,000 (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. 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. If you believe your background warrants consideration beyond the stated range, we encourage you to apply. To support an efficient and fair hiring process, we may use technology assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers. For details, please visit the About Us tab on the Johnson Controls Careers site at https://jobs.johnsoncontrols.com/about-us

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.