Médiane Système

Company Name: Médiane Système
Job Title: Test Engineer - Critical systems
Job Description: **Job Title:** Test Engineer – Critical Systems **Role Summary:** Lead verification and validation of safety‑critical software and integrated systems within real‑time, guided transportation solutions. **Expectations:** - Deliver compliant test strategies and documentation at software, integration, and system levels. - Maintain rigorous defect tracking and collaborate with multidisciplinary teams. - Contribute to continuous improvement of test processes and quality standards. **Key Responsibilities:** - Define test strategies and scope for software, integration, and system levels. - Develop, maintain, and execute test cases and scenarios. - Automate test solutions where appropriate using programming skills. - Analyze test results, identify defects, and liaise with dev, QA, and safety teams for resolution. - Produce clear test reports, summaries, and technical documentation. - Participate in technical reviews, quality audits, and safety assessments. **Required Skills:** - ≥3 years experience in system or software testing for safety‑critical applications (rail, aerospace, defense, etc.). - Strong programming ability (e.g., C/C++, Python). - Knowledge of test automation frameworks and scripting. - Excellent documentation and communication skills in English (technical writing). - Analytical mindset, rigor, autonomy, and teamwork. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Electrical Engineering, or related field. - Familiarity with critical system standards (IEC 61508, DO‑178C, etc.) and SIL levels preferred. - Valid certifications (e.g., Six Sigma, ISTQB, or equivalent) are a plus.

Brussels, Belgium

Hybrid

Junior

25-12-2025

Company Name: Médiane Système
Job Title: Ingénieur Développement C++ Python H/F
Job Description: **Job Title** C++/Python Development Engineer (M/F) **Role Summary** Develop and enhance core network calculation components for a gas distribution system. Responsible for writing clean, reusable C++ code, creating Python scripts for integration, and supporting the team in building controlled development environments and continuous integration processes. **Expectations** - Deliver high‑quality, performant C++ modules within agreed timelines. - Collaborate with the architecture team to design interfaces and data models. - Contribute to code reviews, documentation, and process improvement initiatives. **Key Responsibilities** 1. Analyze functional requirements and translate them into technical specifications. 2. Design and implement C++ applications and Python utilities, including batch processes. 3. Create and maintain unit, integration, and system tests. 4. Debug and fix defects identified during testing or user acceptance. 5. Write detailed technical documentation (specifications, deployment guides, test plans). 6. Advise on best practices, tooling, and architecture decisions. 7. Propose and implement improvements to development workflow and CI/CD pipelines. **Required Skills** - Advanced proficiency in C++ (modern standards). - Proficient in Python for scripting and automation. - Deep knowledge of Qt 5.15 LTS framework. - Experience with version control (Git), CI/CD, and build systems (CMake, Make). - Strong understanding of software design principles and patterns. - Ability to write clear technical documentation. - Excellent communication, teamwork, and problem‑solving abilities. **Required Education & Certifications** - Graduate of an accredited engineering school, Master’s degree, or equivalent (“Mastère”) in Computer Science, Electrical Engineering, or related field. - Demonstrated, significant experience in comparable C++/Python development projects.

Pantin, France

Hybrid

25-12-2025

Company Name: Médiane Système
Job Title: Software developer C#
Job Description: **Job Title:** Software Developer – C# **Role Summary:** Design, develop, and integrate software components for V&V tools in railway signalling and control systems, ensuring safety, reliability, and regulatory compliance. **Expectations:** - Deliver high‑quality, maintainable code in C# (Python optional). - Collaborate with architects and cross‑functional teams on specifications, architecture, and deployment. - Participate in hardware/software integration and continuous improvement of tooling and processes. **Key Responsibilities:** - Define tool requirements and architecture with senior architects. - Design, code, unit‑test, and integrate software modules. - Build and maintain the development toolchain (CI/CD, Git/GitLab). - Support integration with other software components and hardware interfaces. - Create custom tools for validation teams and standardise reusable libraries or COTS solutions. - Propose process and tooling enhancements; promote knowledge sharing across teams. **Required Skills:** - 3+ years professional experience in C# development. - Proficiency in Python, Git, GitLab, networking fundamentals, and test/integration processes. - Familiarity with Linux, Docker, MongoDB is a plus. - Strong communication, teamwork, proactive problem‑solving, and customer focus. **Required Education & Certifications:** - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field. **Languages:** - Fluent English (written and spoken); French is a bonus.

Charleroi, Belgium

Hybrid

25-12-2025

Company Name: Médiane Système
Job Title: NET Angular & Mobile App Developer
Job Description: **Job Title** .NET Angular & Mobile App Developer **Role Summary** Develop and maintain scalable .NET Angular web and mobile applications, integrating with tools/platforms while adhering to Scrum methodologies. **Expectations** Minimum 2-5 years of experience in .NET development, front-end frameworks, and DevOps practices. Intermediate/Advanced proficiency in Dutch and English. **Key Responsibilities** - Design, develop, and deploy web/mobility applications (Angular, React, Blazor) with C#, ASP.NET, and WebAPI frameworks. - Perform functional/technical analyses, estimate efforts, and produce technical documentation. - Implement quality assurance via unit testing, functional testing, and adherence to coding standards. - Maintain applications by resolving bugs, tracking issues in GitLab/Jira, and deploying fixes to TST/ACC/PROD environments. - Collaborate with cross-functional teams to propose solutions, optimize processes, and align with strategic ICT objectives. **Required Skills** - **Technical**: C#, Entity Framework, ASP.NET, WebAPI, MS SQL Server, ADFS, Angular, NgRx, React, TypeScript, Blazor WebAssembly, DevOps tools (Azure DevOps, Jira), CI/CD pipelines, mobile dev experience (Cordova preferred). - **Methodologies**: Scrum (agile project management), object-oriented programming, design patterns. - **Languages**: Dutch (B2, reading/comprehension), English (B2+ fluency in spoken/written). **Required Education & Certifications** None specified.

Brussels, Belgium

Hybrid

Junior

15-01-2026

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