Embedded Software Engineer II
Location: Mossville, IL — Onsite, five days per week
Duration: 12-month contract
Why Join This Opportunity?
- Work on advanced embedded control software for diesel engine and aftertreatment systems.
- Contribute throughout the complete software development lifecycle.
- Collaborate with experienced software, systems, validation, and testing teams.
- Gain exposure to production-level embedded software in the heavy-equipment industry.
- Work in a primarily office-based engineering environment with limited laboratory interaction.
Position Overview
The AES Group Inc. is seeking an Embedded Software Engineer II to support the development, enhancement, documentation, validation, and maintenance of embedded engine-control and aftertreatment software.
The ideal candidate has hands-on experience with MATLAB, Simulink, and Stateflow, along with strong technical documentation and cross-functional communication skills.
Key Responsibilities
- Design, develop, and maintain embedded engine-control and aftertreatment software strategies.
- Create control logic, software models, flow diagrams, and architectures using MATLAB, Simulink, and Stateflow.
- Support concept development, implementation, validation, documentation, release, and production support.
- Troubleshoot existing production software and implement continuous improvements.
- Prepare technical documentation, engineering diagrams, flowcharts, and ISO-aligned design documents.
- Collaborate with software developers, systems engineers, validation teams, and other engineering stakeholders.
- Lead technical discussions to gather requirements and develop practical software solutions.
- Analyze engine-test data and support software-related troubleshooting.
- Review HIL and SIL validation results and work with validation engineers to resolve issues.
Required Qualifications
- Bachelor’s degree in Computer Science, Software Engineering, Mechatronics Engineering, or a related discipline.
- Two to four years of full-time industrial embedded software development experience.
- Hands-on experience with MATLAB, Simulink, and Stateflow.
- Experience developing or maintaining embedded control software for production systems.
- Strong understanding of the embedded software development lifecycle.
- Experience creating technical documentation, engineering diagrams, and flowcharts.
- Strong written, verbal, analytical, and cross-functional collaboration skills.
Preferred Qualifications
- Experience in automotive, heavy equipment, aerospace, industrial automation, or embedded systems.
- Knowledge of diesel engine controls or aftertreatment systems.
- Familiarity with Hardware-in-the-Loop and Software-in-the-Loop testing.
- Exposure to Embedded C or C++.
- Experience supporting software validation and interpreting test results.
Work Environment
The position is approximately 90% office-based, with occasional interaction in engine-testing laboratories. Engineers primarily review test results electronically and support software strategy development. Standard personal protective equipment may be required when entering laboratory areas.
Core Skills and Tools
- Embedded software development
- MATLAB, Simulink, and Stateflow
- Engine-control software
- HIL and SIL testing
- Technical documentation
- Software strategy development
- Cross-functional engineering collaboration
Ready to make an impact? Apply now and join us on our journey!
AES is a premier technology consulting company that brings together businesses and talent to deliver the most innovative technology solutions that create the most positive impact to society.
In the last 20 years, we have developed innovative best-in-class technology solutions to the world’s forward-thinking companies on four key service areas:
- Customer Experience: engaging customers with differentiating digital experiences to sustain
business relevance
- Employee Experience: enabling employees to learn, collaborate, and grow to sustain business
performance
- Business Solutions: transforming and optimizing business operations to sustain business resilience
- Emerging Technology: exploring and adopting emerging technology to transform business model
Our team ensures that your favorite coffee shop has the right amount of people serving you at any given time. Our team ensures that the governance board of a global company has the right ESG insights to make the most sensible actions for the world. The list goes on and on. At the core of
what we do is creating the future that is right for everyone, with the right technology, and with the right talent.