Associate Software Engineer Optum Jobs in Hazel Crest, IL

Grayhill designs and manufactures intuitive human interface solutions that make life simpler, safer and more efficient. Standard products include optical encoders, rotary switches, keypads, joysticks, displays, touchscreens and pushbuttons. These components are sold to thousands of customers around the globe. Grayhill also incorporates these standard products into control panels to support a range of major customers in the Healthcare, Agriculture, Construction Equipment and Military markets. Our headquarters are in LaGrange, IL with manufacturing facilities located in McCook and Carpentersville IL, Iola WI and Shenzhen China.

We offer opportunities for talented professionals seeking challenging careers with a proven industry leader.

We are seeking a skilled and motivated Embedded Software Design Engineer II to join our Healthcare Solutions team. In this role, you will contribute to the design, development, and maintenance of embedded software systems for existing and next‑generation products. You'll work closely with hardware engineers, firmware developers, customers, suppliers and cross‑functional teams to deliver reliable and high‑performance solutions.

• Design, implement, and test embedded software for microcontrollers and embedded systems.
• Develop and maintain device drivers, communication protocols (e.g., I2C, SPI, UART, USB, BT/BLE), and real‑time operating systems (RTOS).
• Collaborate with hardware engineers to bring up new boards and debug hardware/software integration issues.
• Optimize code for performance, memory usage, and power efficiency.
• Participate in code reviews, unit testing, and system‑level testing.
• Document software designs, architecture, and development processes.
• Support manufacturing and field teams with troubleshooting and issue resolution.
• Stay current with industry trends, tools, and best practices in embedded systems development.
• Recommend new products and/or modifications and improvements to existing products.
• Interface with customers as necessary to clarify design objectives on projects and communicate updates to Sales Department.
• Recommend suppliers and/or other outside sources for technical information as needed to meet design objectives and communicate information to Purchasing Department.
• Provide technical support to internal and external customers.
• Coach and mentor associates assigned to projects.

• Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or related field.
• 2–5 years of experience in embedded software development.
• Proficiency in C/C++ for embedded systems.
• Experience with microcontroller platforms (e.g., ARM Cortex‑M, STM32, PIC, etc.).
• Familiarity with debugging tools such as oscilloscopes, logic analyzers, and JTAG.
• Knowledge of RTOS concepts and implementation.
• Strong problem‑solving and communication skills.

• You will be at the forefront of challenging work. We solve complex problems with innovative solutions across all teams and in all roles. There is purpose in our work!
• Comprehensive Health Insurance; medical, dental, prescription, and vision starting on day one.
• Generous Paid Time Off
• 401(K) match up to 4% of salary
• Tuition Reimbursement
• Collaboration Space featuring ping pong, foosball, board games, and more...
• 10 company paid holidays
• Optional gap insurance coverages
• Company paid disability, parental leave, and basic group life
• 24/7 Employee Assistance Program
• Catered company events - to pause and celebrate the wins!

We value diversity and inclusion. We are an equal opportunity employer, and we do not discriminate on the basis of gender, color, race, religion, marital status, sexual orientation, or national origin.

This position requires use of information or access to hardware which is subject to the International Traffic in Arms Regulations (ITAR). All applicants must be U.S. persons within the meaning of ITAR. ITAR defines a U.S. person as a U.S. Citizen, U.S. National, U.S. Permanent Resident (i.e. 'Green Card Holder'), Political Asylee, or Refugee.