Embedded Software Engineer 3

Cullerton Group has a new opportunity for an Embedded Software Engineer 3 . The work will be done onsite in Mossville, IL (Building AC Office), with a standard first-shift schedule . This is a long-term 12-month position that can lead to permanent employment with our client. Compensation is up to $58.97 / hr + full benefits (vision, dental, health insurance, 401k, and holiday pay).

Job Summary

Cullerton Group is seeking an experienced Embedded Software Engineer to design, develop, test, and deploy embedded software for real-time systems and device-level applications. This role involves working across the full software development lifecycle—from requirements analysis and architecture design to coding, debugging, and version-controlled release. The engineer will support hardware-interfacing activities, evaluate system performance, and contribute to new feature development for embedded devices and electronic control units (ECUs). This position is ideal for someone with strong real-time device driver experience and hands-on hardware debugging expertise.

Key Responsibilities

• Design and implement embedded software for devices and systems from requirements through production deployment
• Analyze and enhance efficiency, stability, and scalability of system resources
• Develop and maintain logical and physical database descriptions; direct others in coding database descriptions
• Review project requests and estimate time, cost, and resource requirements
• Support concept development, documentation, and promotion of new software features and processes
• Manage software lifecycle through version control and configuration management
• Perform requirements analysis, system decomposition, troubleshooting, and regression / unit testing
• Research hardware interfacing requirements and collaborate with technical leads to finalize solutions

Required Qualifications

Preferred Qualifications

Why This Role?

This role offers the opportunity to work hands-on with cutting-edge embedded technologies and contribute to new feature development for complex electronic systems. You will participate in full lifecycle development, collaborate with skilled engineers, and engage directly with hardware for testing and validation. Cullerton Group provides a professional environment focused on technical growth, problem-solving, and meaningful engineering contributions.