Jobs and Careers
RH

Software Engineering Intern

Rheem
United StatesinternshipVerifiedPosted 23 Jan 2026

About the role

The Software Engineering Intern is responsible for the support of the ATI Controls Software Engineering team in the software design of embedded microprocessor-based controls for Water heating products and HVAC. Typical duties will include controls software algorithm design and development, building the code, testing for the new product, testing in existing product for maintenance, and proof-of-concept design work in support of controls development activities using the manual or model-based development environment. This is an important position on the electronic controls team within Rheem’s Advanced Technology Integration organization, providing advanced technologies and systems solutions for Rheem’s Water Heating, Air Conditioning, HTPG, Eemax, Friedrich, and Raypak business units. 

This position will serve our Enterprise Division, located in Roswell, GA or Indianapolis, IN (Onsite). This internship is an immediate start working 20-40 hours a week. 

  • Assist control engineers in the design of control algorithm in a model-based environment, creating a simulation environment to test the developed control algorithm and validating the models using a simulation environment
  • Develop control designs for the new product based on the systems requirements validate the system using the actual or simulation environment and provide the test report.
  • Work with cross-functional teams through direct interactions and team meetings in developing and translating new concepts into applications. 
  • Develop design concepts or models, oversee prototype construction, and conduct performance testing to determine the practical feasibility of concepts.
  • Participate in formal design reviews of electronic control requirements, algorithms, FMEA and other related analyses.
  • Prepare and support the release of control software requirements and design documentation. 
  • Continue to develop professionally in both formal training/coursework and self-study.
  • Enrolled in a course of study toward a Bachelor’s degree in Electrical Engineering, Electrical Engineering Technology, Computer Engineering, or related field.
  • Minimum 0-2 years of related experience 
  • Experience with embedded electronic controls algorithm using manual or model-based development environment and testing 
  • Experience with electronic analysis methodologies and associated instrumentation
  • Able to work successfully with multiple departments such as R&D, marketing, manufacturing, service engineering, suppliers, and customers
  • Familiarity with multiple communications media and protocols such as wired, wireless, optic, RS485, CAN, BACnet, Modbus, TCP/IP.
  • Proficiency in Microsoft Office applications – Word, Excel, PowerPoint, and OneNote
  • Must possess and demonstrate proficiency in the following competency areas:
    • Ethics/Integrity
    • Accountability
    • Adaptability/Flexibility
    • Dependability
    • Teamwork
    • Interpersonal Skills
    • Communication (present and communicate technical information to engineering audiences)
    • Problem-solving

Preferred Qualifications:

  • Experience with controls software designs utilizing Renesas RX23X or related microprocessors, LCDs, RS-485 communications, Wi-Fi, Bluetooth and/or cellular communications, low power, and analog circuitry.
  • Experience utilizing a formal Product Development Process
  • Software design process
  • Software architecture and programming for embedded microprocessor-based electronic controls

#LI-JF1

#LI-Onsite

At Rheem, we engineer products for life. For home life. For work life. For the life of the planet we all share. Backed by over 100 years of expertise, we’re passionate about product innovation and boldly committed to sustainability. Our full line of global air and water solutions deliver reliable performance, comfort and energy savings for residential and commercial applications worldwide. From engineers to accountants, sales professionals to support experts, Rheem depends on people to power our innovations. Join Rheem and help shape the future of products that impact lives—every day. Our Behavior Based Values set us apart:
  • Listening to Understand – Open mind, learning from others, accepting feedback, embracing the objective
  • Contributing Respectfully - Sharing opinions, valuing ideas, sharing opposing perspectives with respect
  • Thinking Creatively – Applying creativity, seeking improvements, understanding from the customers’ lens
  • Acting with Responsibility – Owning decisions and actions, acting with integrity, embracing accountability
Rheem is an Equal Opportunity Employer. Rheem encourages all qualified candidates to apply, including those of any race, colo

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Rheem

View company profile →