Software Engineer I - Data Center Engineering

Build your best future with the Johnson Controls team!

Johnson Controls is global leader in smart, healthy, and sustainable buildings. Our mission is to reimagine the performance of buildings to serve people, places, and the planet. Join a winning team that enables you to build your best future! Our teams are uniquely positioned to support a multitude of industries across the globe. You will have the opportunity to develop yourself through meaningful work projects and learning opportunities. We strive to provide our employees with an experience focused on supporting their physical, financial, and emotional wellbeing. Become a member of the Johnson Controls family and thrive in an empowering company culture where your voice and ideas will be heard – your next great opportunity is just a few clicks away!

Competitive salary Paid vacation/holidays/sick time Comprehensive benefits package including 401K, medical, dental, and vision care. On-the-job/cross-training opportunities Encouraging and collaborative team environment Dedication to safety through our Zero Harm policy **To be considered for this role, candidates must be a U.S. Citizen or a U.S. Permanent Resident (Green Card holder).

Johnson Controls is building the next generation of intelligent building systems for the world's most demanding environments, hyperscale data centers. We're looking for a technically versatile engineer who loves both crafting intuitive user interfaces and engineering the backend systems that power them.  This role sits inside our Data Center Controls Innovation Engineering team at our Controls Product Development Center in Glendale, WI. You'll be embedded in a collaborative lab and software environment working alongside experienced engineers on middleware platforms, web applications, and building automation systems deployed in critical infrastructure globally. If you're someone who cares about both how a system works under the hood and how a user experiences it on screen, this is the role for you.  This position is 100% on-site at our new Controls Product Development Center and Lab in Glendale, WI, where you'll collaborate closely with cross-disciplinary teams and work hands-on with real products. The role may include up to 20% travel.  How you will do it   Designing and building full stack features across the entire application layer: RESTful APIs, middleware services, and responsive web UIs  Writing clean, maintainable code in modern JavaScript/TypeScript (React, Node.js) and Python for backend services and data pipelines  Developing and maintaining middleware integrations between building automation systems, IoT field devices, and cloud platforms  Building dashboards and data visualization tools that surface real-time and historical data center telemetry to operators and engineers  Collaborating with embedded and controls engineers to define APIs and data contracts between device firmware and software layers  Participating in code reviews, writing unit and integration tests, and supporting CI/CD pipelines  Tracking development tasks and workflows in JIRA, keeping features visible and shipping on schedule  Building and presenting technical designs, sprint demos, and status updates for engineering and project stakeholders  Collaborating with cross-functional and global engineering teams to hit project milestones  What we look for   Required Qualifications   Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related field  0 to 5 years of professional or internship experience; new graduates are welcome  Proficiency in JavaScript or TypeScript with hands-on experience in a modern frontend framework (React preferred)  Experience building and consuming RESTful APIs and working with backend frameworks (Node.js, Python/Flask, or similar)  Solid understanding of web fundamentals: HTML, CSS, HTTP, and browser rendering  Familiarity with