Cyber Security Software Engineer

Permanent contract (CDI), based in Rennes or Paris.

The position focuses on software development for security research and evaluation. The engineer will design and develop tools used to automate, analyze, and support security activities, including vulnerability research and advanced testing scenarios.

• Design and develop software tools dedicated to security analysis and testing.
• Build modular and reusable tooling frameworks for internal security use.
• Implement automation and orchestration tools for security workflows.
• Develop data processing and analysis tools related to security experiments.
• Maintain and improve existing security software tools.
• Produce clear documentation and ensure long-term maintainability.
• Contribute to knowledge transfer activities, including the preparation and delivery of technical training sessions whenrequired.

Education, Experience & Skills

• Minimum of 4 years’ experience in software design and development.
• Programming languages:Python, C/C++, andjava.
• Experience with security-orientedtooldevelopment.
• Ability tointerface software withexternal systems or hardware.
• Familiarity with version control, testing, and documentation best practices.

Additional Skills/Preferences:

Strong software development backgroundwith an interest in cybersecurity and security toolingis a plus.Experience developing internal tools or research-oriented softwareand the ability to work independently on technically complex topics.

Cadence/Secure-IC is committed to equal opportunity and employment equity at all levels of the organization. We strive to attract a diverse pool of qualified candidates and to promote diversity and inclusion in the workplace.