Engineer in Cryptography and Embedded Security

A specialist in identity, secure transactions, and digital services, IN Groupe is the global leader in secure identity and trust services. Every day, our 4,000 employees across 40 countries work to ensure that everyone has access to a reliable and secure identity, both in the physical and digital worlds. With our solutions and our international network of 10 R&D centers, we support governments and businesses in more than 130 countries.

Joining IN Groupe means helping to shape the future of the identity and secure transaction market. Become part of our international teams — driven by innovation and proud to design solutions that make life easier and protect personal data for millions of people around the world.

About the role

As an Engineer in Cryptography and Embedded Security, within the R&D team, you will be a key point of reference for cryptography-related aspects. You will design high-security cryptographic algorithms for embedded systems. You will analyze and validate the developed algorithms to ensure a high level of security for our embedded solutions. You will work on state-of-the-art technologies and the latest generations of cryptographic primitives.

Main responsibilities

• Contribute to the development and proper integration of symmetric and asymmetric cryptographic algorithms into embedded systems, according to customer requirements
• Validate the implemented algorithms and ensure their correct usage by defining and executing test plans. Proactive and innovative, you help improve testing methodologies
• Work within the security team to align algorithm security levels with product security needs
• Document best practices and provide security recommendations
• Conduct technology watch activities and may file patents for innovative solutions and publish in scientific conferences
• Support teams in developing their expertise
• Assist multiple projects in implementing security requirements

About you

Education: Master’s degree (Bac+5) or equivalent in Mathematics, Cryptography, Computer Science, or Embedded Electronics (PhD is a plus).

Experience: Proven experience in embedded cryptographic development.

Language: Proficiency in English.

Personal skills : Strong teamwork abilities, autonomy, effective interpersonal communication. Strong rigor and ability to act as a technical reference.

Knowledge of physical attacks, such as:

• Side-channel attacks (power, EM, timing)
• Understanding of defensive countermeasures at software and/or hardware level
• Experience with smart cards or similar technologies (e.g., Hardware Security Modules – HSM)
• Background in vulnerability research, reverse engineering, or binary analysis
• Knowledge of basic communication standards such as ISO7816, ISO14443.
• Knowledge of post-quantum cryptography
• Strong programming skills in C/C++ (Assembly language experience is a plus)