Software Engineering Co-Op

    Johnson Controls logo

    Johnson Controls

    10,001+ employeesCork, IrelandIndustrial Machinery Manufacturing

    This internship has closed

    Applications closed on October 12, 2026.

    See 10 open internships at Johnson Controls

    Access our internships job board to view 10,000+ active internships.


    Company: 1017 York International Corp. Title: Software Engineering Co-Op Location: Burlington-Massachusetts-United States of America Posted Date: Posted Today Employment Type: Full time Sidebar Info: Johnson Controls: Enhancing the Intelligence of Buildings 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.

    Job Description: Software Engineering Co-Op (January – June 2027)What you will do:Johnson Controls is seeking a Software Engineering Co-op to work with a multidisciplinary team supporting the design, development, testing, and maintenance of software and firmware solutions throughout the product lifecycle. This role offers hands-on experience developing production software that directly supports advanced manufacturing technologies and business-critical initiatives.As a Software Engineering Co-op, you will collaborate with software, process, mechanical, and applications engineers to develop innovative solutions, improve automation capabilities, and contribute to high-priority projects. This opportunity is ideal for a student who enjoys problem-solving, continuous learning, and working in a fast-paced technical environment.How you will do it:Develop software that supports the control and automation of advanced manufacturing processes.Collaborate with software, process, mechanical, and applications engineers to deliver project objectives.Contribute to machine control, slicing, and testing software applications.Support development efforts within a production software environment, working on business-critical projects and tasks.Design and implement new user interface features within a React-based application environment.Develop and maintain unit tests and contribute to integration testing efforts for Python and C++ applications.Identify opportunities to automate manual workflows and improve software performance, reliability, and usability.Assist with software troubleshooting, debugging, testing, and validation activities.Document software functionality, testing results, and development activities clearly and effectively.Demonstrate Johnson Controls' Winning Behaviors by focusing on impactful work, collaborating across disciplines, taking ownership of deliverables, and continuously improving processes and solutions.Required Qualifications:Currently pursuing a degree in Computer Engineering, Electrical Engineering, Software Engineering, Computer Science, or a related technical discipline.Proficiency with Python, C/C++, Git, and UNIX/Linux environments.Demonstrated ability to take ownership of projects and complete assignments efficiently and effectively.Experience developing software that interfaces with physical hardware or embedded systems.Adaptable and comfortable working in a fast-paced, collaborative environment.Strong written and verbal communication skills.Strong analytical, troubleshooting, and problem-solving abilities.Must be legally authorized to work in the United States without current or future sponsorship.Preferred Qualifications:Previous co-op, internship, research, or industry experience.Experience with JavaScript and React development.Familiarity with embedded systems development.Experience with Bash scripting and Jira.Exposure to CAD software, mesh modeling, 3D printing, controls theory, or robotics.Experience developing automated testing solutions.Interest in advanced manufacturing technologies and industrial automation.Why Join Us?At Johnson Controls, you'll gain hands-on experience developing software solutions that support innovative manufacturing technologies and automation systems. You'll work closely with experienced engineers across multiple disciplines while building expertise in software development, testing, automation, user interface development, and hardware integration.Our culture is built around our Winning Behaviors:We Focus on What Matters by prioritizing solutions that deliver meaningful value for our customers and operations.We Win as One Team by collaborating across engineering disciplines and leveraging diverse perspectives.We Own the Outcome by taking accountability for quality, safety, reliability, and results.We Improve Every Day by continuously learning, innovating, and solving complex technical challenges.This co-op provides an outstanding opportunity to apply your technical skills, gain real-world software engineering experience, and contribute to projects that have a direct impact on product development and manufacturing innovation.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.

    About Johnson Controls

    Johnson Controls provides building systems, thermal management, and energy efficiency solutions. The company serves sectors including data centers, pharmaceuticals, healthcare, and manufacturing. It operates globally with headquarters in Cork, Ireland. The organization employs over 60,000 people and focuses on building automation, security, and HVAC technology.

    LinkedInWebsiteCareers emailJohnson Controls contact channels unlock with a free account
    All Johnson Controls internships

    How to get in at Johnson Controls

    Applying early gives you a distinct advantage at Johnson Controls, as recruiters often review the first wave of candidates before the applicant pool grows too large. Intern Insider sends an instant alert the moment a role matching your target is published, helping you get your materials in front of the team before the queue becomes unmanageable. Reaching out to the right person is often more effective than submitting a cold application. Intern Insider surfaces the recruiters behind the roles at Johnson Controls so you can contact them directly to ask about the position or a potential referral, which often improves your response rate.

    Get alerts for new Johnson Controls internships
    Share

    Interns who landed roles with Intern Insider

    “I found tons of jobs here that weren't even posted on LinkedIn. So many hidden opportunities I would have completely missed otherwise!”
    Alex B., Marketing Intern

    Alex B.

    Marketing Intern

    “Intern insider has changed the way I apply to jobs. It saves me so much time with applications and curating different resumes for different positions.”
    Samantha C., Mechanical Engineering Student

    Samantha C.

    Mechanical Engineering Student

    Apply to more than this one.

    10,000+ open internships in one place, with the deadlines and the people to email.

    Create free account
    This internship has closedSee open roles