Senior Embedded Software Engineer - C/C++, RTOS & Wireless

Randstad Digital Americas; Milwaukee (WI); On-site; USD 100,000 - 130,000; Full time

Job summary

Randstad Digital Americas in Milwaukee, Wisconsin, seeks an experienced Embedded Software Engineer to design, develop, and maintain software for MCU-based control systems using C/C++ on RTOS environments. This is a permanent role with standard 8am–5pm hours.

The position collaborates closely with hardware and product teams to deliver robust software for residential and power products, with emphasis on tooling, testing, and documentation. Bachelor's degree required; 6+ years' experience preferred.

Qualifications

• Bachelor degree in Electrical and Computer Engineering or Computer Engineering (Master’s preferred).
• 6+ years of work experience in embedded software.
• Proficiency in C and C++ and embedded software development.
• Experience with layered architectures and embedded operating systems.
• Familiarity with RS-485/Modbus, CAN, Ethernet, and USB.
• Experience with unit and integration testing.

Responsibilities

• Design, develop, and maintain embedded software for MCU-based systems using C/C++ for RTOS.
• Collaborate with cross-functional teams to define software requirements and system architecture.
• Oversee unit testing, integration testing, and system validation for reliability and performance.
• Develop networking implementations for Wi‑Fi, Bluetooth, LTE communications.
• Lead code reviews and contribute to process improvements in development.
• Support hardware troubleshooting during product development and testing.
• Document software design, architecture, and implementation details.
• Use diagnostic tools and develop custom diagnostic software as needed.

Skills

C/C++

Embedded systems

RTOS

Networking protocols

Code reviews

System validation

Education

Bachelor’s degree in Electrical and Computer Engineering or Computer Engineering

Master’s degree preferred

Tools

QNX

Keil RTX

ZephyrOS

RS-485 (Modbus)

SAE J1939 CAN

Job description

Randstad Digital Americas in Milwaukee, Wisconsin, seeks an experienced Embedded Software Engineer to design, develop, and maintain software for MCU-based control systems using C/C++ on RTOS environments. This is a permanent role with standard 8am–5pm hours.

The position collaborates closely with hardware and product teams to deliver robust software for residential and power products, with emphasis on tooling, testing, and documentation. Bachelor's degree required; 6+ years' experience preferred.