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# Embedded Systems Engineer (H/F)

- **Company:** OPUS GROUPE
- **Location:** Brétigny-sur-Orge, France (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Automation of Tests, C++ (Programming Language), CAN Bus, Communications Protocols, Embedded Software, Ethernet, Inertial Navigation Systems, Python (Programming Language), MATLAB, Real-Time Operating Systems, Software Tools, OPC Unified Architecture, Requirements Traceability, Software Requirements Analysis, Systems Integration, Universal Asynchronous Receiver/Transmitter, Data Processing, Serial Peripheral Interface, Git, Jenkins
- **Published:** August 4, 2026
- **Apply:** https://fr.indeed.com/viewjob?jk=25e37aae20033c8c

## About the Role

* Engineering degree or Master's in embedded systems, electronics, control systems, or an equivalent discipline.
 * You have at least 3 years of experience in an aerospace, defense, or other demanding industrial environment, ideally with exposure to flight systems or launch vehicles.
 * Proficiency in real-time embedded software development (C/C++, RTOS) and associated tools (Git, Jenkins, modeling tools such as MATLAB/Simulink or equivalent).
 * Knowledge of avionics architectures (CAN bus, SpaceWire, RS-422), inertial navigation systems, and applicable standards (DO-178, ECSS-E-ST-40 or equivalent MIL) is a plus.
 * Knowledge of standard embedded communication protocols (I2C, SPI, UART) and Ethernet networking, with the ability to design, integrate, and troubleshoot data exchanges across avionics systems.
 * Familiarity with the OPC UA protocol is a plus, combined with a genuine appetite for Python to support test automation, data processing, and tooling within avionics integration environments.
 * Working within an international team, technical proficiency in English is essential. Knowledge of another language would be a plus.

## Description

* Contribute to defining the avionics architecture of Mésange and its future evolutions (hardware and software); contribute to criticality analyses and system requirements allocation,
 * Develop and qualify real-time embedded software; contribute to verification, validation, and requirements traceability documentation,
 * Ability to read PCB schematics and other circuit designs, write embedded code, and participate in system integration,
 * Implement integration and test processes for electronic systems; participate in test campaigns on the Brétigny test bench, with internal teams or externally with partners,
 * Contribute to technical exchanges with clients on avionics topics and participate in project reviews and associated technical deliverables,
 * Write and maintain technical documentation (design files, interface notes, test and qualification plans).


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