Engineer II - Embedded Systems



Aprilaire is an industry leading provider of healthy air solutions who is committed to our mission; everyone deserves healthy air. You will join a team of professionals who are passionate, customer focused, adaptable, and leading the way for new HVAC technologies and innovative thinking. We are proud to be in over 7 million homes and look forward to our continued success; give your career a breath of fresh air today and consider joining our team!


Aprilaire is currently seeking an Engineer II - Embedded Systems who will design embedded system firmware using software design life cycle principles and advocate for design decisions that are in the best interest of the company and product success.


Your day will include:

  • Writing firmware using Object-oriented programming techniques in C and C++
  • Developing GUI (Graphical User interface) software for embedded systems
  • Designing with RTOS including but not limited to FreeRTOS, eLinux, Gecko OS
  • Developing communication interfaces to Zigbee and Wifi wireless modules
  • Developing communication drivers for TCP/IP, RS485 Modbus, SPI, I2C etc.
  • Maintaining embedded software, including adding features and fixing bugs, in existing products
  • Compiling firmware specification documents
  • Contributing to and document firmware architecture in a collaborative environment
  • Writing unit tests for all code
  • Contributing to formal code reviews within an established agile firmware development process
  • Investigating and resolve issues that come out of the testing group
  • Performing feasibility studies for new products and recommend solutions
  • Following technology trends for new developments in technologies used in our products


  • Bachelor of Science in Electrical Engineering / Computer Engineering / Computer Science
  • 3-7 years working experience in the design and development of embedded controls and embedded systems
  • Experience writing unit tests in a standard framework
  • Experience with developing sound firmware architecture
  • Experience with Git source control and associated platforms such as GitHub, GitLab, or BitBucket
  • Experience working in an Agile environment, using JIRA and Confluence
  • Ability to continually develop and improve skill and knowledge to perform effectively and adapt to change in the workplace
  • Ability to work on concurrent projects simultaneously with interrelated timelines.
  • Works effectively with others to achieve shared goals through cooperation, sharing knowledge, joint problem-solving, and celebrating success
  • Highly organized with strong communication skills, and drive to meet organizational and departmental objectives;
  • Sound research and analytical skills, including the ability to troubleshoot problems and formulate solutions
  • (Preferred) Experience with i.Mx and SiLabs SoCs
  • (Preferred) Working knowledge of wireless technologies like Wi-Fi, Zigbee & network communication standards like TCP/IP, UDP, etc
  • (Preferred) Experience with using Continuous Integration/Continuous Delivery (CI/CD) Pipelines for complex applications
  • (Preferred) Experience in design of high volume (10,000-50,000) electronic assemblies in HVAC applications


A GREAT PLACE TO WORK FOR ALL!  At Aprilaire, a division of Research Products Corporation, our employees are our most important resource. That's why we offer comprehensive benefits and unique perks, and why we create a shared purpose in giving back to our communities.


We care about your health by providing...

  • a comprehensive health insurance plan 
  • dental and vision insurance
  • flexible spending account
  • progressive wellness programming for you and your family (including fitness programs and incentives)
  • sick leave pay

We care about your wellbeing by providing...

  • vacation and holiday pay
  • summer hours
  • dress for the day (casual dress code)
  • free coffee and popcorn
  • employee discounts on Aprilaire products
  • wireless discounts

We care when you need it most by providing...

  • company-sponsored short and long term disability plans
  • employee assistant program
  • identity theft protection
  • bereavement pay

We care about your financial wellness by providing...

  • 401(k) with company match and generous profit sharing
  • three types of life insurance coverage
  • college savings plan
  • scholarship awards

We care about your growth by providing...

  • tuition reimbursement program
  • learning and development opportunities

We care about our community by...

  • giving back to local charities through fundraising, volunteering, and charitable events
  • sponsoring employees and immediate family members for their participation in charitable events




Corporate Headquarters  

Aprilaire, a Division of Research Product Corporation

1015 East Washington Avenue

P.O. Box 1467

Madison, WI 53701-1467



Applicants have rights under federal and state employment laws:

Equal Employment Opportunity (EEO)  En Español

Family and Medical Leave Act (FMLA)  En Español

Wisconsin Family and Medical Leave Act (WFMLA)  En Español

Employee Polygraph Protection Act (EPPA)  En Español


Aprilaire is an E-Verify company 


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