Transtex develops and manufactures leading-edge aerodynamic solutions that help semi-trailer fleets significantly reduce fuel consumption and emissions. Based in Montreal and operating across North America, we have been driving more sustainable transportation for over twenty years.

n Job Summary

We are looking for a Controls Systems Engineer to design and maintain the control logic for our APU systems, which provide electric HVAC and battery management for commercial vehicles without idling the engine. Key Responsibilities

Developing and maintaining control logic for existing and current APU products

Building and maintaining simulation models of the APU for virtual testing

Participating in defining control specifications and requirements with the multi-disciplinary team

Performing hardware-in-the-loop testing and validation on actual APU units

Generating code from Stateflow models and carrying out verification and validation

Contributing to troubleshooting of system-level issues

Evaluating component alternatives during product development

Supporting prototyping efforts with control logic integration

Calibrating control parameters based on test data





Documenting control logic, state machines, and calibration parameters

Developing and maintaining automated test benches for validation

Conducting root cause analysis on system-level failures

Optimizing control strategies for energy efficiency Required Qualifications

Bachelor’s degree in Mechanical Engineering, Electrical Engineering, or Physics

At least 5 years of relevant experience in control systems or embedded applications

Basic knowledge of MATLAB, Simulink, and Stateflow

Ability to leverage AI tools to enhance and support engineering work Preferred Skills

Experience with hardware-in-the-loop testing

Familiarity with CAN bus communication protocols

Knowledge of battery management systems or energy storage systems

Experience in automotive or commercial vehicle applications

Experience with thermal modeling

Familiarity with diagnostic trouble code standards (e.g., OBD or J1939)

Experience developing automated test benches n

Transtex is an equal chance employer and welcomes applications from all qualified candidates.

📌 Systems Engineer Montreal
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📍 Montreal